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I want to package a lightweight, well-documented photo-editing SDK for iOS that my team can drop straight into our existing Swift app. The only feature set I need for the first release is a robust “Filters & Effects” module, and within that, artistic filters are non-negotiable—think sketch, watercolor, cartoon, and similar creative looks. Core expectations • Written natively for iOS (Swift preferred; Objective-C compatibility via bridging is a plus). • Clean, public API delivering real-time previews, intensity sliders, and GPU-accelerated processing. • Modular structure so additional tools (crop, text, etc.) can be bolted on later without refactoring. • Comprehensive developer docs and inline code comments. • A small demo app that showcases every artistic filter and illustrates best-practice integration. • Unit tests covering filter accuracy and performance. Acceptance will be based on compiling the SDK into our sandbox project, running the demo, and verifying that each artistic filter renders within the target frame rate on an iPhone 12. If you have prior experience with Core Image, Metal, or third-party GPU frameworks, mention it so I can gauge fit quickly.
Project ID: 40714494
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116 freelancers are bidding on average $458 USD for this job

HEy I BUILD MODULAR, GPU-ACCELERATED IOS SDKs THAT ARE EASY TO INTEGRATE NOW AND EXTEND LATER. I can develop your native Swift Filters & Effects SDK with a clean public API, real-time previews and smooth intensity controls, while keeping the architecture modular for future crop, text and editing modules. {{{ I HAVE CREATED SIMILAR IOS PHOTO-EDITING, IMAGE-PROCESSING AND GPU-ACCELERATED FEATURES BEFORE AND CAN SHOW YOU RELEVANT WORK. }}} I have 12+ years of IT experience with strong iOS/Swift expertise and experience with Core Image, Metal and GPU-based image processing. I’ll implement artistic filters including sketch, watercolor, cartoon and similar creative effects using optimized GPU pipelines, targeting stable frame rates on iPhone 12. Deliverables: * Native Swift SDK with Objective-C bridging where practical * Real-time preview + intensity API * Modular architecture * Demo app showing every filter * Unit/performance tests * Developer documentation and inline comments * Sandbox integration and device testing I’ll keep the SDK clean, reusable and packaged for direct integration into your existing Swift application. Thanks, Christina
$250 USD in 7 days
8.4
8.4

Hello, System understanding: You need a drop‑in iOS SDK that provides a Filters & Effects module with artistic looks (sketch, watercolor, cartoon, etc.). The SDK must expose a clean Swift API, deliver real‑time previews with intensity sliders, use GPU acceleration (Core Image/Metal), be modular for future tools, include full documentation, a demo app showcasing each filter, and unit tests verifying accuracy and performance on devices like iPhone 12. Technical approach: Build the SDK as a dynamic Swift framework wrapping Core Image filters and custom Metal shaders for artistic effects. Expose a FilterProvider protocol with apply(input: intensity:) -> UIImage. Use a Metal‑based texture pipeline for real‑time preview on MTKView. Keep the core module independent so crop, text, etc., can be added as separate plugins via dependency injection. Core modules: 1) FilterEngine - handles GPU‑accelerated filter chain, intensity handling, and preview rendering. 2) PublicAPI - Swift structs/enums for filter selection, slider callbacks, and delegate for progress. 3) DemoApp - simple Single View app with UICollectionView of filters, slider UI, and integration example. 4) Docs & Tests - Jazzy‑style documentation and XCTest suite covering filter output comparison and frame‑rate benchmarks. Relevant systems: Custom GPU‑accelerated image‑processing pipeline built for an Android photo‑editor app using OpenGL ES (similar real‑time filter workflow). Implementation strategy: Start with the FilterEngine and Metal shaders for the four artistic filters, integrate the public API, then create the demo app and documentation. Write unit tests alongside each filter, validate on iPhone 12 simulator and device, and iterate on performance. Deliver a versioned SDK package ready for Carthage/SwiftPM. Questions: 1. Should the SDK support both still images and live video preview, or is image‑only sufficient for the first release? 2. Do you prefer the artistic filters to be supplied as Core Image kernels, custom Metal shaders, or a combination based on performance? 3. Are there any specific image formats (e.g., RAW, HEIC) or color spaces (sRGB, Display P3) the SDK must handle? Regards, Rohit
$250 USD in 18 days
8.0
8.0

✅ React Native | Firebase |Mobile App Development Expert Hi, Hope you are doing good. I have read your requirements carefully and can give you 100% assistance as a React Native Developer for building or enhancing your mobile application. I specialize in creating fast, stable, and scalable apps for both iOS & Android, backed by a secure and efficient Firebase architecture. I’d love the opportunity to discuss your idea further and collaborate on developing a modern, intuitive, and impactful app. (Note: Please consider the current budget as flexible — we can finalize it after discussing the complete scope.) Thanks & Regards, Ashraf
$750 USD in 7 days
6.7
6.7

Hello, I can build a lightweight, production-ready iOS photo-editing SDK focused on a robust **Filters & Effects** module, designed for easy integration into your existing Swift application. **Technical approach:** • Native **Swift** with Objective-C compatibility where practical • **Core Image + Metal** for GPU-accelerated, real-time processing • Clean public APIs for filter selection, intensity control, image processing, and live previews • Artistic filters including **Sketch, Watercolor, Cartoon, Vintage, Oil Paint, Comic**, and similar creative effects • Modular architecture so future features such as crop, text, adjustments, and overlays can be added without major refactoring • Optimized memory/performance handling for iPhone 12 and newer I’ll provide a dedicated demo application showcasing every filter, real-time intensity sliders, and recommended SDK integration patterns. The SDK will include comprehensive developer documentation, inline comments, API usage examples, unit tests, and performance benchmarks covering rendering speed and filter consistency. **Deliverables:** Swift SDK/source code, demo iOS app, documentation, unit/performance tests, integration guide, and sandbox-tested build. I have hands-on experience with **Core Image, Metal, AVFoundation, Swift/SwiftUI, and GPU-accelerated iOS processing**, and will prioritize clean APIs, performance, and maintainability from the first release.
$450 USD in 7 days
6.9
6.9

Hi, I can build a lightweight, modular iOS photo-editing SDK focused specifically on the Filters & Effects module, with artistic filters such as sketch, watercolor, cartoon, and other creative looks. I’ll develop it natively in Swift with a clean public API for real-time previews, adjustable filter intensity, and GPU-accelerated processing. The architecture will be modular so future features like crop, text, adjustments, and other editing tools can be added without restructuring the core SDK. The delivery will include: • Native Swift SDK with Objective-C bridging where appropriate • Core Image / Metal-based GPU processing • Artistic filters with consistent rendering and adjustable intensity • Real-time preview pipeline • Demo iOS app showcasing every filter • Unit tests for functionality and performance • Comprehensive developer documentation and inline comments • Integration guidance for your existing Swift application I’ll also test the SDK in a sandbox project and benchmark the filters on an iPhone 12 to ensure performance meets the required frame-rate target. I can discuss the exact filter list, rendering requirements, and target FPS before development so the SDK is structured correctly from the beginning. Best regards, Cyber Impulse Software Solutions
$250 USD in 7 days
7.6
7.6

★★★ SWIFT / iOS SPECIALIST ★★★ Hi, To package a lightweight photo-editing SDK, I can develop a native Swift solution with a focus on the Filters & Effects module. I will implement artistic filters such as sketch, watercolor, and cartoon effects, ensuring they are GPU-accelerated for real-time previews. The SDK will feature a clean public API with intensity sliders and a modular structure for future enhancements. I will also create comprehensive developer documentation and inline comments to facilitate easy integration. For the demo app, I will showcase each artistic filter and demonstrate best practices for integration. Unit tests will be included to ensure filter accuracy and performance, specifically targeting the iPhone 12. I have extensive experience with Core Image and Metal, which will be leveraged to optimize performance and ensure high-quality rendering. To get started, I will need access to your existing Swift app and any specific design guidelines you may have. Thanks!
$250 USD in 10 days
5.9
5.9

✋ Hi, the main technical challenge is getting artistic filters to look consistent while still rendering fast enough for real-time preview on an iPhone 12. Sketch, watercolor, and cartoon effects usually need more than a single Core Image filter if quality matters. I’d first define the public SDK API and benchmark a few representative filter pipelines using Core Image and Metal where GPU acceleration is needed. Each effect would expose a simple preview/apply interface plus intensity controls, while the processing layer stays modular so crop, text, or other tools can be added later without changing the integration surface. I’d include a demo app, Swift documentation, inline comments, performance measurements, and tests around output stability and render time. I won’t invent prior Core Image/Metal SDK projects I can’t verify. Do you want the artistic filters to be fully offline and deterministic, or is using bundled ML/Core ML models acceptable for some effects if they improve quality?
$490 USD in 8 days
5.9
5.9

The iPhone 12 frame-rate target makes the filter pipeline and preview path the first thing to prove. For sketch, watercolor, and cartoon effects, I’d prototype the heaviest filter first, then build the public Swift API around reusable filter modules, intensity controls, and GPU-backed previews. I’d keep filters isolated behind a common interface so crop, text, and other tools can be added later without changing integration code. Tests would cover reference-image output plus performance, and the demo app would exercise every filter exactly as your team would integrate it. I don’t have a verified Core Image or Metal project in my listed portfolio, so I won’t claim prior experience there. My shipped iOS work includes an app released to both stores, but it uses a Capacitor wrapper rather than native Swift. First milestone can be a Swift SDK skeleton plus one artistic filter running in the demo with measurable iPhone 12 performance, and you release it only when that works.
$500 USD in 7 days
5.6
5.6

Hi there, Building a high-performance photo-editing SDK that maintains smooth 60fps frame rates on devices like the iPhone 12 while processing complex artistic filters can easily suffer from rendering bottlenecks if the underlying GPU pipeline isn't optimized from day one. I will architect a fully native, modular Swift SDK leveraging Core Image and Metal for hardware-accelerated sketch, watercolor, and cartoon effects, delivering a clean public API with real-time previews, robust unit tests, and a complete drop-in demo app. Here are my questions: 1. Do you have specific third-party graphics libraries in mind, or should we build the filter pipeline entirely from custom Core Image kernels and Metal shaders? 2. Are there any existing color profile or memory footprint constraints we need to respect for the host app integration? Drop me a message so we can get started right away.
$750 USD in 20 days
5.7
5.7

Hi, I've worked on similar SDK projects and can create a lightweight photo-editing solution tailored for iOS with the artistic filters you need. The estimated timeline for a first release is about 20 days, with a tentative budget of $1500. To finalize the scope, could you clarify if there are specific artistic styles or filter effects you want prioritized? Also, will you need the demo app to support certain resolutions or device compatibility beyond the iPhone 12? I’ll take a modular approach to ensure easy integration of additional features later. I’ve successfully utilized Core Image and Metal in past projects, which should support the performance you’re aiming for. If you'd like, we can go through the details and finalize the scope from there. Best regards, Mohammad
$1,500 USD in 20 days
5.4
5.4

Hello There! I’m Md Toriqul Islam, and I’m excited to partner with you. I have 10+ years of experience in mobile development, Swift, Core Image, Metal, GPU-accelerated image processing, and modular SDK architecture. I have some questions: 1. Do you have specific artistic filter references or visual examples for the sketch, watercolor, cartoon, and other creative effects? 2. What target frame rate should each filter maintain on the iPhone 12 during real-time preview? 3. Should the SDK be distributed as a Swift Package Manager package, XCFramework, or both? I understand you need a production-ready, lightweight iOS Filters & Effects SDK with real-time previews, adjustable intensity, GPU processing, a modular architecture, demo app, documentation, and unit/performance tests. I am skilled in Swift, Core Image, Metal, Core Graphics, GPU image processing, Swift Package Manager, UIKit, performance optimization, unit testing, and reusable SDK architecture. I can build the artistic filters with clean public APIs and ensure the SDK integrates smoothly into your existing Swift app while remaining extensible for future editing tools. Looking forward to hearing from you. Best regards, Md Toriqul Islam
$250 USD in 5 days
5.3
5.3

hi, i have reviewed the details of your project. i can build a native swift photo editing sdk focused on filters and effects, with artistic looks like sketch, watercolor and cartoon, plus real time previews, intensity controls and gpu accelerated processing. i’d structure it as a modular framework using core image and metal where appropriate, with a clean public api that can later support tools like crop and text without major refactoring. i’ll also provide a demo app, clear documentation, inline comments and unit tests covering rendering quality and performance on iphone 12. the sdk will be tested directly inside your sandbox project to ensure it compiles cleanly and meets the target frame rate before handover. can we jump on a quick meeting to discuss the filter list and performance targets?
$500 USD in 7 days
5.0
5.0

Hi, I can build this as a lightweight, modular native iOS SDK in Swift with a clean public API and Objective-C bridging where useful. I’ll focus the first release on GPU-accelerated artistic filters such as sketch, watercolor, cartoon, and other creative effects, with real-time previews and adjustable intensity. I can structure the SDK for future modules without major refactoring, provide comprehensive documentation and inline comments, and include a demo app showing every filter and recommended integration patterns. I’ll also add unit/performance tests and optimize the rendering pipeline for the iPhone 12 target frame rate. I’m experienced with Core Image/Metal-based image processing and can deliver the SDK in a form that compiles cleanly into your existing Swift sandbox project.
$300 USD in 7 days
4.8
4.8

Hello, "Native iOS Filter SDK" - keeping artistic filters fast, modular and easy to integrate. I work with Swift, Objective-C, iOS and mobile application development. I can structure the SDK with a clean public API, intensity controls, real-time preview handling, modular filter components, a demo app and unit tests. I would keep the rendering layer isolated so future crop, text or other editing modules can be added without changing the SDK interface. I have not specifically claimed prior Core Image or Metal work, so I would validate the GPU rendering approach against the iPhone 12 frame-rate target before committing to a specific implementation. Could you confirm the target frame rate and the number of artistic filters required for the first release? I look forward to working with you. Artur Gizycki
$650 USD in 14 days
4.3
4.3

As an experienced mobile app developer with 8 years under my belt, I'm confident that I possess the expertise your project demands. My proficiency extends from front-end to back-end development, deploying a wide range of languages, frameworks, and tools to create functional and intuitive applications, which coincides with the skills you are specifically looking for: mobile app development and photo editing. Drawing on my previous experience with Core Image, Metal, and third-party GPU frameworks, I understand the intricacies of photo-editing and cinematics on iOS platforms. Combining this background knowledge with my recent ventures into Swift and React Native gives me an edge in crafting an easily integratable photo-editing SDK for your iOS app – with a key focus on artistic filters; sketch, watercolor, cartoon, just name it! Of course, all while maintaining a real-time preview capability via GPU accelerated processing. Furthermore, my dedication to quality and thoroughness saw me contributing to project documentations continuously throughout the production cycle. Creating clear and concise instructions helps streamline any future modifications like adding new functionalities such as cropping or text editing to your existing application without cumbersome refactorings or causing any setbacks. I'd be more than happy to provide you with a small demo app showcasing all artistic filters serving as an enriching tutorial on integrating best practices.
$400 USD in 5 days
4.0
4.0

Hey, The key challenge is making the artistic filters genuinely real-time on an iPhone 12 without turning the SDK into a collection of tightly coupled effects. I’d keep the filter pipeline modular and GPU-driven, so each effect can expose the same preview/intensity interface while additional editing tools can be added later without restructuring the SDK. I’d build the SDK natively in Swift using Core Image/Metal where appropriate, with a clean public API for image input, filter selection, intensity and preview/render output. The four requested artistic filters—sketch, watercolor, cartoon and similar agreed effects—would be implemented as independent modules with consistent parameter handling. I’d also provide the demo app showing every filter, the integration documentation and inline comments around the important implementation decisions, plus unit/performance tests for the agreed filter behavior. For acceptance, I’d compile the SDK into the supplied sandbox project, verify the demo integration and measure rendering performance on an iPhone 12 against the target frame rate before delivery. Do you already have a target FPS and maximum preview latency defined for the iPhone 12 acceptance test?
$750 USD in 10 days
4.0
4.0

I can create a lightweight photo-editing SDK for iOS that includes a robust “Filters & Effects” module with artistic filters like sketch and watercolor. My first step will be to outline the API structure and confirm the real-time preview functionality before development begins. Based in Toronto, I work quickly and stay responsive throughout the project.
$250 USD in 7 days
3.5
3.5

Hello, I’m Manh. I understand you need a lightweight, production-ready iOS SDK focused on artistic photo filters, with real-time previews, adjustable intensity, GPU-accelerated processing, and a clean API that can be integrated into an existing Swift app. I’d structure the SDK as a modular filter pipeline so additional editing tools can be added later without changing the core architecture. I’d focus on: * Native Swift implementation with clear public APIs * Artistic effects such as sketch, watercolor, cartoon, and similar looks * Real-time intensity adjustment and preview rendering * GPU-accelerated processing using the most suitable native iOS approach * Demo app showing every filter and recommended integration patterns * Unit tests covering output behavior and performance * Clear developer documentation and inline comments * Validation by integrating the SDK into a sandbox project and testing on iPhone 12 I’ll prioritize stable integration, predictable performance, and maintainability rather than building an oversized framework. I’m ready to review your expected filter references and SDK integration requirements. Thanks
$250 USD in 1 day
3.7
3.7

As an experienced full-stack developer, I’m confident I can efficiently create the lightweight, well-documented iOS photo-editing SDK your team needs. My 5+ years of experience with app development and particularly mobile development perfectly position me to undertake this project. Specializing in Swift and Objective-C cross-compatibility gives me a unique edge in catering for your specific requirement. With a focus on delivering practical, scalable solutions built for long-term success, I propose to tackle this project using essential tools such as Core Image, Metal, or third-party GPU frameworks. My expertise will allow us to build a clean and modular structure for easy future expansion with additional tools like cropping or text without extensive refactoring. Moreover, I understand the need for thoroughly documented projects. I will provide comprehensive documentation and inline code commenting that aligns with industry best practices ensuring smooth integration and troubleshooting if needed. Finally, beyond delivering a fully compiled, tested SDK within the target speed on an iPhone 12, I believe in building long-lasting relationships with clients through quality work and dependable support - providing you with even further reassurance that you’re making a wise choice by working with me.
$300 USD in 7 days
3.9
3.9

I’ve gone through the SDK requirements carefully, and the key is delivering a reusable component your existing Swift app can integrate cleanly—not a photo editor that only works as a standalone demo. I can build the first release as a modular native iOS SDK focused on Filters & Effects, with a clean public API for real-time previews and intensity control. The artistic filter layer can be structured independently so future modules such as crop or text can be added without reworking the core architecture. I’ll include the demo application, integration documentation, inline code documentation and unit tests, with the implementation validated against your sandbox project and the iPhone 12 performance requirement. The SDK will also be packaged with a clear separation between public interfaces and internal processing so your team can maintain and extend it confidently. I won’t claim prior Core Image/Metal work that isn’t verified in the supplied portfolio. If you share the expected filter list, target frame rate and preferred SDK distribution format, I can define the implementation structure and milestones.
$500 USD in 6 days
4.5
4.5

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