Mobile App Development for iOS & Android

Hello , Nice to meet you! I will design and develop mobile application with web admin panel according to your requirement , ping me on chat so we can discuss this more. I am expert and 9 years experienced Android /iPhone app developer with backend work that you are looking for. I will provide you perfect product as you want so you would be happy with it. I am always ready to discuss about your project in detail as well as start from right now. The following are my services that i provide :- 1. Daily or Weekly update. 2. Clean and Robust code. 3. Responsible for communication for more than 15 to 20 hours each day. 4. Free Bug-Fix support for 1 year after completion. 5. Source code delivery. You can have a look at my profile by this link : https://www.freelancer.com/u/shyamvijaywargiy Let's contact me to discuss further details with me. Thanks Shyam

Hi there, You're aiming to develop a mobile application for iOS and Android, focusing on features like user authentication, online payment systems, secure document storage, and phone appointment booking. The app will also need a sleek, modern design and responsive performance, with integrated push notifications for enhanced user engagement. Leveraging efficient, cost-effective technologies will be key to achieving this. To better tailor the solution, could you share if you have a preferred payment gateway or specific data security requirements in mind? Kindly send me a message to discuss more in detail. Thanks!

Hello, I have read your requirement to build a mobile app for iOS and Android featuring user authentication, online payments, secure document storage, and appointment booking. I can develop a fast, responsive, and modern application while ensuring cost-effectiveness and high quality. For the technology stack, I recommend using Flutter for cross-platform development to minimize costs and reduce development time. For backend services, Firebase can efficiently handle authentication, data storage, and push notifications. Additionally, Stripe or Razorpay can be integrated for secure online payments, ensuring a smooth subscription model. I’d be happy to showcase relevant apps I’ve built and discuss how I can tailor this project to your needs. Looking forward to collaborating with you! Best regards, Deepak

I WILL PROVIDE 2 YEARS FREE ONGOING SUPPORT AND COMPLETE SOURCE CODE. WE WILL WORK WITH AGILE METHODOLOGY AND WILL GIVE YOU ASSISTANCE FROM ZERO TO PUBLISHING ON STORES. I am a mobile app developer with 11 years of experience, specializing in secure and scalable applications for both iOS and Android. I have successfully built and deployed apps with user authentication, online payments, document storage, and appointment booking. Proposed Tech Stack: ✅ Flutter (Dart) – Single codebase for cost-effective development on both platforms. ✅ Firebase Authentication – Secure login via email/phone. ✅ Stripe/PayPal Integration – Monthly subscription payments. ✅ AWS S3 / Firebase Storage – Secure document storage. ✅ Firestore / PostgreSQL – Scalable database for user data. ✅ Push Notifications – Firebase Cloud Messaging (FCM) for instant updates. Key Features: Fast & Responsive UI – A modern, intuitive user experience. Secure Document Storage – End-to-end encryption for uploaded files. Seamless Appointment Booking – Integrated scheduling system. Subscription Management – Automated billing and renewals. I have built similar apps before—let’s connect to discuss your specific needs!

With experience in developing mobile apps for both iOS and Android platforms, I am confident in delivering a high-quality solution for your project. Technical Approach: - User authentication will be implemented using OAuth for secure access. - Online payment system will integrate Stripe API for seamless transactions. - Secure document storage will utilize AWS S3 for encrypted document uploads. - Phone appointment booking system will be developed with a custom calendar module. Technologies: - Xamarin framework will be used for cross-platform development, ensuring cost-effectiveness. - React Native will be employed for the frontend to create a modern interface. - Firebase Cloud Messaging for push notification integration. Testing and Integration: - Rigorous unit testing will be conducted to ensure reliability. - Continuous integration tools like Jenkins will be utilized for seamless deployment. Optimizations: - Code optimization techniques will be implemented to enhance performance. - AWS scalability features will ensure the app can handle a growing user base. I have worked on similar projects and can guarantee a well-executed solution within a reasonable timeframe. Estimated Cost: $XXXX Delivery Time: XX weeks Portfolio: - Mobile App A: [Link] - Mobile App B: [Link] Looking forward to the opportunity to collaborate on this project and create a successful mobile app solution for you.

Hello, I have 10+ years experience in mobile application development. I will use Swift language for iOS app development And Kotlin language will be use for Android app development. If we go with flutter technology then single source code will work in ios and android both. Estimated cost : 250 EUR Estimated time : 7-8 days Thanks, Dharmesh.

As a seasoned and dedicated mobile app developer with over 8 years of industry experience, my team and I offer a comprehensive expertise that is perfect for this project. We have successfully tackled more than one hundred projects, similar in scope to your own, resulting in a robust portfolio of well-crafted applications across both iOS and Android platforms. Being proficient in Flutter, React Native, Swift, Objective-C, Kotlin and Java, we vow to engineer an application for you that not only ticks all the boxes on your must-have list but also prioritizes satisfying user experiences. Additionally, our familiarity with Laravel PHP ensures secure back-end operations and fast load times – two features that we understand to be crucial for your project. One distinct advantage of hiring us is our ability to navigate the complexities of integrating third-party SDKs. With this skill-set at our disposal, you can rest assured that features like user authentication via email/phone number, online payment system and secure document storage are intelligently meshed into your app for seamless functioning. Plus, our aesthetic appreciation and prowess ensure an elegant UI/UX design that meets your preferences perfectly. Therefore, I confidently say that we offer you efficient services blending quality work within a reasonable budget.

Hello, I am Tulsiram. I have 10 years of experience working as Native and Crossplatform mobile application developer. I am understood your requirements. I am glad if we are working together. If you interested then let's connect. I will provide you Daily updates ,source code after development completed, 1 Year maintenance Support in following Steps: I will available daily 10-12 hours in Working days for you. I will provide you regular updates according to which modules we will decided. After approval each module by you then i will provide your complete source code of your project and will shift on your Domain. Thanks

Hello there Hope you are doing well as you are looking for a "Build a MOBILE APPLICATION FOR ANDROID AND IOS " so will make the same as you want , I have already develop and Design the so many Application , - I will use latest technology to develop your Application - I will share daily update with you - I Will deliver your project within timeline - After project completion will share complete source code - I will provide 1 year support our develop work - I have 10+ year experience in Web & App development - I will make the 100% responsive design , fast loading , SEO friendly and all - I will provide you super admin panel there you can manage the whole thing Please initiate the chat so will discuss together and all Thanks & Regards Dheeraj K.

Hello, I will be available 40 hours weekly for your project The following features:- User authentication (via email and/or phone number) Online payment system (monthly subscription) Secure document storage Phone appointment booking system I'm a Full-time Mobile Application developer expertise with in mobile applications ( iOS and Android) So, I read your details carefully and believe I am working efficiently on this. I am confident that we can deliver a high-quality application that meets your requirements. we discuss the project more and I also support your project idea. I want to work on your project. I believe your project concept is fantastic, and I would be delighted to assist you with it, I can make this application and provide you with quality design work with the visually appealing app I am glad to say we have worked on many apps in various domains Gym subscription Apps, Service Provider Apps, Jobs Search, Health and fitness apps, Restaurants app E-Commerce apps, Grocery apps, Taxi apps, Pharmacy apps, Doctor apps, and Dating app among others. Thanks Anurag

As a seasoned developer with expertise across various front-end and back-end technologies, I'm confident I can deliver the Mobile App Development project you're seeking. With my vast proficiency in Vue.js, Laravel, Yii2 as well as REST and Websockets, I'll ensure your app boasts of a reliable and secure user authentication system, the ability to support online payment (monthly subscription), store documents efficiently, and provide seamless phone appointment booking. In terms of technology stack selection, guaranteeing cost-effectiveness and development ease is paramount. Based on my extensive exposure to different scripts and frameworks, I'll determine the best fit for your app's requirements within your budget. My contributions extend beyond simply coding. Drawing on my excellent communication skills and commitment to client satisfaction, I can assure effective collaboration through every stage of development. As proof of my capabilities, I'm more than willing to share samples of some high-performing mobile apps I've worked on, demonstrating my experience handling complex backend tasks and producing delightful frontend interfaces. Let's transform your visionary project into a reality with Vue.js/jQuery + Laravel/Yii2/Symfony + REST/GraphQL/Websockets - the perfect combination for success!

Hello, I HAVE SUCCESSFULLY DELIVERED SIMILAR PROJECTS I will deliver- a) Top Quality—High-standard development with full dedication. b) 2.5 YEAR Support—Ongoing assistance & maintenance post-delivery. c) Seamless Experience—Smooth, hassle-free integration & support. I’ve carefully reviewed your requirements and am confident in delivering a high-quality, cost-effective mobile app for iOS and Android with user authentication, secure document storage, an online payment system, and appointment booking. I have over 7+ years of experience. I specialize in Flutter for efficient cross-platform development, ensuring a fast, responsive, and modern UI while reducing costs. For the backend, I'll use Firebase for authentication, Stripe for secure payments, and Cloud Storage for document security. I'll also integrate push notifications for real-time updates and ensure the app is scalable, intuitive, and user-friendly for the best experience. Please knock me in chat as I have some queries regarding the project to proceed further, Shipra

As an experienced Full Stack Developer, I understand the intricacies involved in developing a mobile application that seamlessly runs on both iOS and Android platforms. I'm quite flexible with technologies and being prompt, will ensure low-cost and ease of development without compromising quality! Given your app requirements like user authentication, online payment system, secure document storage, and phone appointment booking system, I believe my skills in Android, iPhone language, and Mobile App Development would be perfect to get the job done, efficiently. Moreover, user experience (UX) is pivotal in mobile app development. Understanding this aspect, my proficiency in marrying clean design aesthetics with efficient coding ensures we deliver a fast and responsive application that your users can easily navigate while enjoying the modern interface you desire. With me on your team, it's not just about building an app it's about creating an engaging product the users will love! Furthermore, I value code quality, punctual delivery , and operating within reasonable budgets - which makes us a great fit.

Hello, This sounds like an interesting project. Will the document storage require version control? Do you have any specific design preferences or branding guidelines? Are there any reporting requirements for the appointment booking system? Regarding technology, I'd suggest a cross-platform framework like React Native for efficient development, potentially paired with Firebase for backend services. I have experience building similar apps with secure document storage and integrated payment systems. I'm confident I can deliver a well-designed, functional app that meets your needs. To provide an accurate quote and timeline, let's discuss the specifics of each feature.

Hi There, Hope you're doing well! I am excited to submit my proposal for the development of your app for both iOS and Android platforms. With extensive experience in mobile app development and a strong track record of delivering high-quality applications. We have 7+ years in the IT industry in which I have gotten a chance to work on Mobile Applications (ReactNative, Hybrid, Flutter, Xamarin) with JS technologies like VueJS, AngularJS, ReactJS, NodeJS, MeteorJS. Below is our Sample work: ~LEAP FITNESS GROUP ~Fiskl - Mobile Invoicing App ~Agent Jack ~Inventory Unique ~Mentorship App - ~Drinkr App - ~Tipsy Tales App - I am looking forward to hearing from you soon. Best Regards, Gayatri

Dear Client !! At RoundWeb Infotech, we are excited to propose the development of your iOS & Android mobile application, ensuring a seamless, secure, and user-friendly experience. Key Features: ✅ User Authentication – Secure login via email and/or phone number. ✅ Online Payment System – Monthly subscription-based payment integration. ✅ Secure Document Storage – Encrypted storage for sensitive files. ✅ Phone Appointment Booking – An intuitive system for scheduling appointments. Our expertise in cross-platform mobile development ensures a smooth, high-performance app that meets your business goals. We look forward to discussing this project further. Best Regards RoundWeb Infotech

Hello, I am very interested in your project and bring over 8 years of experience in mobile app development. Throughout my career, I have built several modern mobile applications, including Praxia Smart App, using React Native and Node.js. In that project, I successfully integrated Twilio API and OpenAI API, ensuring a seamless experience for the client. You can find more details in my portfolio. With my expertise and skill set, I believe I am a perfect fit for your project. I would love to discuss your requirements further and explore how I can contribute to its success. Looking forward to your response. Thanks!

⭐ Dear Client, ⭐ I am a talented full stack developer focused on customer satisfaction, high quality, and fast delivery. With over 7 years of experience as a senior software engineer, I have a high level of expertise in this field. I am confident in my ability to execute this project flawlessly and exceed your expectations. Let’s connect and discuss how I can contribute to your success. Looking forward to hearing from you! Best Regards, Slobodan

At GlobalGeek Infotech, we're more than equipped to handle your Mobile App development needs for both iOS and Android. Our understanding of scalable solutions and industry experience underscores our unique suitability for your project. When it comes to technologies, we consider factors such as cost, ease of development, and performance, ensuring you get the best option tailored to your project. Concerning your app's requirements, we're adept at implementing secure user authentication techniques through email and phone numbers, seamless online payment systems even for monthly subscriptions, as well as robust document storage capabilities. Delivering a user-friendly interface with excellent response time is a hallmark of our work. By utilizing the right technology stack and integrating push notification for timely reminders and updates, we'll develop an efficient mobile application that meets all your objectives within a reasonable timeline and budget. I invite you to review some of the mobile apps we have developed in the past for a clearer sense of what our expertise can bring to your project. Let's transform your vision into a modern digital reality!

Dear, I am excited to propose a scalable, secure, and cost-effective solution for your mobile application, ensuring a seamless experience across iOS and Android. With expertise in mobile development, I will deliver a fast, intuitive, and modern app that meets all your requirements. Proposed Technology Stack ✅ Flutter (Dart) – Cross-platform development for iOS & Android, reducing costs and ensuring faster delivery. ✅ Firebase Authentication – Secure login via email/phone. ✅ Stripe or PayPal API – Seamless monthly subscription payment system. ✅ AWS S3 / Firebase Storage – Encrypted document storage for security and scalability. ✅ Twilio / Calendly API – Integrated phone appointment booking. ✅ Firebase Cloud Messaging (FCM) – Push notification system for user updates. Key Features & Deliverables ✔ Modern, user-friendly interface with smooth navigation. ✔ Fast & responsive app, optimized for performance. ✔ Highly secure document storage with encryption. ✔ Comprehensive testing to ensure stability. I’d love to discuss how I can bring your vision to life. Let’s connect! Best Regards,