
Completed
Posted
Paid on delivery
Overview I am looking for a senior mobile developer to give me a direct, experienced opinion on the best stack for my new iOS and Android app. This is a short paid consultation — not a full project. I need a real answer from someone who has actually shipped apps, not a generic comparison anyone can Google. About the App A virtual pet wellness app for iOS and Android. Users complete daily mood check-ins and wellness habits. A virtual cat reacts to their consistency through animations and mood states. The app includes subscription billing and targets both the App Store and Google Play from a single codebase. What I Need From You A short written response covering: Your stack recommendation — Flutter or React Native, pick one Three clear reasons why it suits this app One honest risk or trade-off I should know about A high-level architecture suggestion for the chosen stack No lengthy report. No copy-paste comparisons. Just your real opinion based on experience. Required Experience 7+ years in mobile development Have shipped at least one Flutter or React Native app to the App Store or Google Play Strong understanding of native iOS (Swift / Objective-C) and Android development Experience with subscription billing (RevenueCat preferred) Can give a direct recommendation, not a both-are-good non-answer Application Requirements Please include the following or your proposal will not be considered: One app you have shipped and the stack it used Your one-line opinion on Flutter vs React Native right now in 2025 Your fixed price within budget Your availability and turnaround time Deliverables Stack recommendation with three reasons One trade-off or risk to be aware of High-level architecture direction for the chosen stack Delivered as a short written response within 1–2 day
Project ID: 40557838
94 proposals
Remote project
Active 6 days ago
Set your budget and timeframe
Get paid for your work
Outline your proposal
It's free to sign up and bid on jobs

Hi, ([login to view URL] ) ([login to view URL]) I understand you need a direct call on Flutter versus React Native for a subscription based wellness app with daily check ins and an animated pet that reflects user consistency across iOS and Android from one codebase. My opinion in 2025 is Flutter for anything animation heavy with subscription gating, React Native still wins when you need deep native module access sooner than later. I recommend Flutter. It handles custom animation state (your cat's mood states) natively through its own rendering engine rather than bridging to native views, RevenueCat's Flutter SDK is mature for cross platform subscription gating, and one codebase keeps App Store and Play parity tight for a small team. The honest trade off is that if you ever need deep native health integrations like HealthKit sensor level detail, Flutter requires more custom native channel work than RN. Architecture direction: Flutter frontend with a state management layer (Riverpod or Bloc) driving the pet's mood animations off a local check in model, Firebase or Supabase backend for check in history and sync, RevenueCat for entitlement and subscription state. Best regards,
$10 USD in 1 day
5.0
5.0
94 freelancers are bidding on average $79 USD for this job

Hello, With over a decade of mobile development experience, I am confident in providing you with a prime solution for your virtual pet wellness app. Utilizing my extensive knowledge of Flutter and React Native, I can give you an honest opinion backed by first-hand experiences that will minimize the ambiguity in selecting the right stack for your unique project and ensure its future-proofing. Having shipped numerous apps to both the App Store and Google Play, I believe React Native is better suited for your requirements. Not only will it allow you consistent cross-platform distribution which optimizes time and cost but is more compatible with subscription billing, a crucial feature for your virtual pet wellness app with its revenue model through habit consistency checks. Despite these strengths, there is a trade-off in terms of complete customization options but given your concise timeline and budget, this shouldn't be detrimental to your specific needs. As a high-level approach, considering my deep understanding of native iOS and Android development, I would suggest exploring models where React Native's core components are leveraged to develop the common functionalities while using platform-specific code (Swift / Objective-C and Java/ Kotlin) for more complex or customized code requirements if that's deemed necessary.. This will enable us to maximize efficiency by utilizing the collective advantages of both platforms while optimi Thanks!
$30 USD in 1 day
7.2
7.2

Hi, I'd be happy to help. With 7+ years of mobile development experience across native iOS (Swift) and Android (Kotlin/Java) and cross-platform, I've shipped production apps and can provide a practical recommendation based on real-world experience rather than generic comparisons. I have already posted Flutter apps to app store and play store for my clients. I have already developed both native and cross-platform apps. You'll receive a concise response covering the recommended stack, three reasons behind the choice, one honest trade-off, and a high-level architecture direction.
$30 USD in 7 days
6.6
6.6

Hi, We went through your project description and it seems like our team is a great fit for this job. We are an expert team which have many years of experience on Mobile App Development, iPhone, Android, Software Architecture, Objective C, Swift, iOS Development, React Native, Flutter Please come over chat and discuss your requirement in a detailed way. Regards
$15 USD in 1 day
6.3
6.3

Having focused solely on mobile app development for over 7 years and shipped several successful apps, I believe I'm the senior mobile architect you're looking for. My understanding of both Flutter and React Native is based on hands-on experience that separates me from those who could merely Google a comparison. Opinionating Flutter vs React Native in 2025, I'd endorse React Native for your virtual pet wellness app. Firstly, this stack provides a more comprehensive set of pre-built UI components suitable for rapidly building a complex multi-screen app like yours. Second, with my expertise in both Flutter and React Native, I can assure you that React Native is more stable on both platforms, enhancing the user experience. Lastly, one crucial aspect of your project design - subscription billing, is easily integrable with React Native using RevenueCat. While the choice has its merits, it's essential to be aware that React Native might not always have lightning-fast performance compared to Flutter, but given the nature of subscription-based wellness tracking app with animations at its core, React Native should comfortably suffice. For a high-level architecture direction - I'd recommend encapsulating core logic and data handling into platform-agnostic modules and keep presentation logic separate in platform-specific code to leverage the strengths of each platform to deliver a fluid user experience.
$15 USD in 1 day
6.5
6.5

Hi, I have 10+ years of experience in mobile app development, with expertise in both Flutter and React Native. For your virtual pet wellness app, I recommend using Flutter due to its seamless UI/UX, faster development time, and single codebase for iOS and Android. One trade-off to consider with Flutter is potential performance issues on older devices. For the architecture, I suggest a clean MVVM pattern with state management for Flutter, ensuring scalability and maintainability. I have successfully shipped a Flutter app to the App Store and Google Play, showcasing my proficiency in the technology. In 2025, Flutter stands out for its robust community support and continuous improvement. Looking forward to providing you with a detailed consultation within the specified timeframe. Thank you.
$20 USD in 1 day
6.3
6.3

Hi There!!! ★★★★ (Provide an expert architecture recommendation to choose the best cross-platform stack for your virtual pet wellness app.) ★★★★ I’ve carefully read your project and understand you're looking for a senior mobile architect to provide a practical recommendation between Flutter and React Native for your subscription-based wellness app. You need a concise, experience-based opinion with architecture guidance, key reasons, and trade-offs—not a generic comparison. ⚜ Mobile architecture consultation ⚜ Flutter vs React Native evaluation ⚜ High-level app architecture guidance ⚜ Subscription billing strategy ⚜ iOS & Android best practices ⚜ Performance & scalability review ⚜ Fast written consultation delivery I have experience designing and delivering cross-platform mobile solutions with a strong focus on scalability, performance, and maintainable architecture. I'll review your app goals, recommend the most suitable stack with clear technical reasoning, outline a practical architecture, and highlight one important trade-off so you can move forward with confidence. I'll keep the consultation concise, actionable, and tailored to your product. I can deliver within 1–2 days and would love to discuss your vision. Warm Regards, Farhin B.
$3,000 USD in 7 days
6.6
6.6

Hello, Have you decided between Flutter or React Native yet? Do you have a preference for animations within the app? Exciting project with virtual pet wellness! To support your app's success, I'll share a concise, experience-driven recommendation. I’ve tackled similar challenges and know how to balance performance with cross-platform efficiency. Let’s align on the best stack and overcome any possible drawbacks together. Examples of my past work can be discussed in chat. I’d love to discuss your timeline and budget preferences in chat to ensure a seamless fit for your needs. Looking forward to a quick chat to ensure we’re on the same page and kick off this exciting consultation!
$10 USD in 1 day
5.8
5.8

With over 7 years of experience in mobile development, I have built a comprehensive understanding of both Flutter and React Native. To directly address your needs for this project, my candid opinion would be to go with Flutter. Here are three compelling reasons: Firstly, Flutter's single codebase nature significantly reduces time and effort investing in separate iOS and Android development tracks while harmonizing performance across platforms. This is crucial for an app like yours that targets both App Store and Google Play.
$10 USD in 7 days
5.6
5.6

Hello Need senior developer launch stable mobile app fast. Buggy apps lose users. Me build 12 high-performance iOS and Android apps using React Native, Flutter, Swift. Last app scale to 150k active users, maintain 99.9% crash-free rate. Will deliver clean architecture, fast API integration, App Store approval. Share your wireframes. Let chat details now. Giáp Văn Hưng
$50 USD in 7 days
5.0
5.0

Hi for your virtual pet wellness app, I’d recommend Flutter because it handles smooth animations and consistent UI across iOS and Android, which is key for your interactive “mood-based cat” experience. I’d structure it with Flutter + Riverpod for state management, RevenueCat for subscriptions, and a lightweight backend like Firebase to keep things fast and scalable. One risk to be aware of is that complex animations need careful optimisation to avoid performance issues on lower-end devices. I’ve worked on production Flutter apps with subscription flows and real-time UI updates, so I’m comfortable with App Store/Play Store requirements. Happy to quickly map out how the mood system and subscription logic would fit together if you want to move forward. Best Regards, Muhammad Saad K
$15 USD in 3 days
4.9
4.9

Hi, I'd be happy to help with this consultation. I have extensive experience building and publishing cross-platform mobile apps and can provide a practical recommendation based on real production experience—not a generic comparison. For an app like yours, I'll evaluate the long-term maintainability, animations, performance, subscription billing (RevenueCat), scalability, and App Store/Google Play deployment before giving a clear recommendation. You'll receive a concise written response covering the best stack, three solid reasons for choosing it, one honest trade-off, and a high-level architecture suggestion tailored to your product. I can also share details of similar apps I've worked on during our chat. I'm available to start immediately and can deliver the consultation within 24 hours. Let's discuss your app in chat.
$40 USD in 5 days
4.6
4.6

With over 10 years of experience in mobile and full stack development, including Flutter and React Native projects, I believe I'm perfectly positioned to advise you on the right stack for your pet wellness app. Having a deep understanding of both platforms as well as native iOS and Android development, I can provide you with a real answer that is firmly based on my personal experience, rather than just echoing generic comparisons. One example of the quality of my work includes a recent Flutter mobile app I developed for a healthcare startup, which showcased my ability to manage complex databases, handle third-party API integrations, and deliver sleek user interface that maximizes engagement. This specific example stands to demonstrate my proficiency with some key tasks intrinsic to your project domain such as backend data management and API integration. In terms of Flutter vs React Native in 2025, it is important to note that technology is constantly evolving and it's crucial to keep up to date with current trends. As a highly adaptable freelancer, I understand this deeply and commit myself to staying ahead of the curve. My fixed pricing within budget coupled with fast turn around time will let us solve your query swiftly and effectively. Let's work together on bringing your vision for a single codebase iOS and Android application into reality!
$10 USD in 7 days
4.1
4.1

Hello There! I’m a Full-Stack Developer with 10+ years of experience and a B.Sc. in Computer Science and Engineering (CSE) from BUET. I build cross-platform mobile applications using React Native and native technologies, with experience integrating subscriptions, APIs, and scalable architectures. I understand you need an experienced, practical recommendation—not a generic comparison—for your virtual pet wellness app. Based on your requirements, I recommend **React Native** for its mature ecosystem, excellent performance, strong native integration, and efficient cross-platform development. I’ll provide three clear reasons, one trade-off, and a high-level architecture within 1 day. Fixed consultation fee: **$50**. Experienced with React Native, Swift, Kotlin, REST APIs, Firebase, RevenueCat integration, and mobile architecture. Please share any existing requirements or wireframes. I’m available to start immediately. Looking forward to hearing from you. Best regards, Md Ruhul Ajom
$15 USD in 2 days
5.4
5.4

I’ve shipped two React Native apps to both stores, one with RevenueCat—so this is right in my wheelhouse. I’ll recommend React Native for the virtual pet wellness app. React Native’s maturity and native module support handle subscriptions and platform-specific animations cleanly. The trade-off: occasional bridge stalls on complex UI threads—mitigate with Hermes and careful state management. Architecture: React Native core + Expo for tooling, shared business logic, platform-specific modules for subscriptions (RevenueCat) and native animations, state via Redux Toolkit, testing with Jest + Detox. Deliverable: 24-hour written response covering stack choice, rationale, trade-off, and high-level architecture. I can start immediately.
$30 USD in 1 day
3.4
3.4

Hi, For this app, I’d recommend Flutter over React Native. A virtual pet wellness app depends heavily on smooth animations, consistent UI across iOS and Android, and a polished emotional experience. Flutter is stronger here because its rendering engine gives more predictable animation performance, the single codebase feels more consistent across platforms, and RevenueCat support is solid for subscription billing. I’ve shipped cross platform mobile apps with in app purchases, animated UI states, push notifications, and App Store and Google Play deployment. The trade off is that some native integrations may still require Swift or Kotlin work, but the core app experience will be faster to build and easier to keep consistent. Best regards, George
$30 USD in 7 days
3.4
3.4

hey i have shipped more than 10 app in android and 4 in ios as well as per you app requirement i can guide you the best backend tech stack and other tech specification for you bussiness so in future it should not ask for changing the complete backend okay
$50 USD in 7 days
3.3
3.3

I'd be happy to help with this consultation. Our team includes a senior Flutter and Android developer with over 7 years of mobile development experience, including publishing production applications for both iOS and Android. We have experience designing scalable mobile architectures, integrating subscription billing, and building maintainable cross-platform applications. For architecture, we recommend a clean, modular approach using Flutter with a layered architecture (Presentation, Domain, and Data), state management using Riverpod or BLoC, backend APIs, RevenueCat for subscriptions, Firebase for analytics and notifications, and local caching for offline support. We can deliver the requested written recommendation within 24 hours. We'd be happy to discuss your app and provide a practical recommendation based on real-world development experience.
$50 USD in 1 day
2.8
2.8

Hi, My direct recommendation is **Flutter** for this app. Reasons: 1. The virtual pet experience will rely on smooth custom animations and mood states, and Flutter is stronger for consistent animated UI across iOS/Android. 2. A single codebase can cover daily check-ins, habit flows, subscriptions, push notifications, and polished UI without many platform-specific layout differences. 3. Flutter integrates well with RevenueCat, Firebase/Supabase, analytics, and local storage, which fits a wellness app with streaks and recurring engagement. Trade-off: Flutter still needs native iOS/Android knowledge for subscriptions, notifications, and store review edge cases. A weak Flutter developer can still get stuck there. High-level architecture: Flutter app with modules for auth, onboarding, mood check-ins, habits, pet state/animations, subscriptions, notifications, analytics, and settings. I’d use Riverpod or Bloc, RevenueCat for billing, Firebase or Supabase for backend, local cache for offline continuity, and a separate animation layer using Rive/Lottie/assets. One-line 2025 opinion: Flutter is better for custom visual products; React Native is better when the team is already React-heavy. Question 1: Are the cat animations planned as Rive/Lottie assets or custom animation frames? Question 2: Do you prefer Firebase or Supabase for the backend? Regards, Houssame
$30 USD in 7 days
5.0
5.0

Hi there, I’ve carefully read your requirements, and I appreciate that you’re looking for practical engineering judgment rather than a generic framework comparison. With extensive experience delivering cross-platform mobile applications, I understand the trade-offs between Flutter and React Native from a real-world perspective. I’ll provide a concise, experience-based recommendation tailored specifically to your virtual pet wellness app, covering the framework I would choose, the reasoning behind it, potential risks, and a scalable high-level architecture that supports animations, subscriptions, and future growth. My goal is to give you an honest technical assessment that helps you make the right long-term decision, not just the popular one. Best regards, Aril.
$50 USD in 1 day
2.5
2.5

Hi, this is Joshua from Davis. I am Joshua from Oakland, and I have shipped mobile apps with native and cross platform stacks. I understand you need a direct senior opinion on Flutter vs React Native for a virtual pet wellness app. You want one clear recommendation, three reasons, one risk, and a high level architecture for one codebase. I would recommend Flutter for this app because it gives smooth animation control, consistent UI, and strong shared code across iOS and Android. It also fits a pet style product where motion and visual polish matter a lot. I would structure it with a clean feature based architecture, Riverpod or Bloc for state, RevenueCat for subscriptions, and native bridges only where needed. That keeps the app maintainable and fast to extend. I can communicate in real time in your time zone and can provide a simple demo or part of the project within 12 hours of starting. Q1: Do you want a very short written recommendation or a deeper architecture note? Q2: Are you already committed to RevenueCat for billing? Q3: What is your target launch date? Best, Joshua
$35 USD in 5 days
2.0
2.0

Chicago, United States
Payment method verified
Member since Feb 24, 2026
$30-250 USD
$250-750 USD
₹600-1500 INR
$8-15 USD / hour
₹12500-37500 INR
₹12500-37500 INR
₹150000-250000 INR
$250-750 USD
$250-750 AUD
€250-750 EUR
$25-50 USD / hour
$1500-3000 USD
$2500-5000 USD
$250-750 USD
₹12500-37500 INR
₹1500-12500 INR
$250-750 USD
₹75000-150000 INR
$250-750 USD
£250-750 GBP
$30-250 USD
₹12500-37500 INR