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I will fix revenuecat supabase base44 capacitor iap paywall subscription oauth error
Temmy
About this gig
Is your RevenueCat, Supabase, Base44 or Capacitor app already built but subscriptions, paywalls, purchases or premium access keep failing? I help fix existing AI built apps without unnecessary rebuilding so your payment flow works properly and your app is ready for real users.
I can help you with:
- RevenueCat setup and bug fixing
- In app purchase and subscription errors
- Paywall setup and premium unlock issues
- Supabase auth, database and entitlement sync
- Base44 and Capacitor mobile app rescue
- Apple App Store and Google Play billing fixes
- Restore purchases, trials and renewals
- OAuth login and session issues
- RevenueCat webhook and API errors
- Subscription status and entitlement mapping
- Sandbox purchase testing and debugging
- Failed payment and billing flow fixes
- Existing AI app cleanup and launch support
- Purchase validation and user access logic
- App monetization troubleshooting
I focus on finding the real cause, fixing it cleanly testing the full purchase flow and keeping the parts of your app that already work.
Send me your app details, screenshots, error messages and current setup before ordering so I can review the issue and recommend the right package.
Get to know Temmy
Temmy
AI SaaS MVP Developer, AI Apps, Website and Mobile Solutions
- FromNigeria
- Member sinceMay 2026
- Avg. response time1 hour
Languages
English, Spanish, German, French, Italian
I’m Temmy, an AI SaaS MVP developer helping founders turn ideas and existing projects into reliable, production-ready products. I build and improve AI web apps, SaaS platforms, business tools, and mobile apps. Whether you need an MVP created, a Lovable, Bolt, Base44, or Claude project fixed, AI features integrated, Shopify connected, or your app deployed to web and mobile, I focus on clean UI, solid functionality, fast problem-solving, and scalable solutions that fit your goals.
My priority is delivering products that work, perform well, and are ready for real users.
Thank you.
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FAQ
Can you fix RevenueCat in my existing app?
Yes. I can troubleshoot RevenueCat setup, subscription flows, entitlements, restore purchases, paywalls, and billing issues in your existing app.
Can you fix App Store and Google Play subscription problems?
Yes. I can help fix in app purchase, paywall, subscription, trial, renewal, and billing flow issues for iOS and Android apps.
Can you work with Supabase and RevenueCat together?
Yes. I can fix Supabase auth, database flow, entitlement sync, and user mapping issues connected to RevenueCat.
Can you fix restore purchases not working?
Yes. I can troubleshoot restore purchase issues, missing entitlements, user identity mismatch, and purchase syncing problems.
Can you fix paywalls that do not unlock premium access?
Yes. I can fix paywall display, purchase completion, premium unlock logic, and subscription access issues.
Can you fix OAuth or login problems in a Capacitor app?
Yes. I can debug login redirects, OAuth errors, session issues, callback problems, and authentication flow issues.
Can you fix Base44 apps already converted to Capacitor?
Yes. I can work on existing Base44 plus Capacitor apps and repair broken monetization, login, or payment flows.
Can you help if my app is already built and I do not want a rebuild?
Yes. This gig is specifically for existing apps that need fixing, cleanup, and monetization rescue without unnecessary rebuilding.
Can you test sandbox purchases and subscription flow?
Yes. I can test purchase flow, trial flow, entitlement sync, restore purchases, and general monetization behavior.
Can you fix webhook or API errors affecting subscriptions?
Yes. I can troubleshoot webhook failures, API issues, billing sync problems, and broken backend communication.
