How I Would Fix mobile app review rejection in a Lovable plus Supabase marketplace MVP Using Launch Ready.

How I Would Fix mobile app review rejection in a Lovable plus Supabase marketplace MVP Using Launch Ready

The symptom is usually blunt: the app gets rejected, and the reviewer gives a short note like "login does not work", "incomplete functionality", "missing account deletion", "payment flow unclear", or "metadata does not match the app". In a Lovable plus Supabase marketplace MVP, the most likely root cause is not one bug, but a bundle of production gaps: broken auth states, weak role separation, missing privacy details, unstable build config, or a review environment that does not behave like the live app.

The first thing I would inspect is the exact rejection reason, then the build that was submitted, then the reviewer path through onboarding, login, listing creation, checkout, and account deletion. If the app cannot complete those core flows in under 3 minutes on a clean device with no cached session, review will fail again.

Triage in the First Hour

1. Read the full rejection note from Apple or Google Play.

• Copy every line into a working doc.
• Separate policy issues from functional issues.
• If the note is vague, assume the reviewer hit a broken flow.

2. Open the latest submitted build and test it on a fresh device profile.

• Log out first.
• Clear app data or use an emulator with no saved state.
• Test signup, login, marketplace browsing, item creation, messaging, checkout, and logout.

3. Check Supabase auth logs and database logs.

• Look for failed sign-ins, expired sessions, RLS denials, 500s, and permission errors.
• Watch for repeated anonymous requests hitting protected tables.

4. Inspect environment variables in Lovable and deployment settings.

• Confirm Supabase URL and anon key are correct.
• Verify any payment keys, email keys, storage URLs, and redirect URLs.
• Make sure no secret is hardcoded in client code.

5. Review platform console status.

• Apple App Store Connect: build processing notes, privacy declarations, export compliance fields.
• Google Play Console: pre-launch report, policy warnings, closed testing status.
• Check whether review was blocked by metadata mismatch or missing permissions disclosures.

6. Audit the exact screens shown to reviewers.

• Splash screen
• Login/signup
• Marketplace home
• Listing details
• Create listing
• Checkout or contact seller
• Account settings
• Delete account or delete data

7. Capture screenshots and error traces.

• Save any blank screens, loading loops, broken buttons, or auth redirects.
• Note device model and OS version.
• Record whether failures happen only on first launch or after login.

## Quick Supabase checks from your local machine
supabase status
supabase logs --project-ref YOUR_PROJECT_REF
supabase db diff

Root Causes

| Likely cause | What it looks like | How I confirm it | |---|---|---| | Broken auth flow | Reviewer cannot sign in or gets stuck in redirect loops | Test with a fresh account and no cached session | | RLS misconfiguration | Marketplace data loads for admins but fails for normal users | Query as anon/authenticated user and inspect denied rows | | Missing required policy content | Rejection mentions privacy policy, account deletion, data use | Compare app screens and store listing against policy requirements | | Build config mismatch | App works locally but fails in review build | Compare env vars, redirect URLs, bundle config, and release notes | | Incomplete marketplace flow | Listing creation or checkout cannot complete end to end | Run one full buyer and seller journey on a clean device | | Secret exposure or insecure setup | Keys appear in client code or public config | Search repo for keys and verify only anon-safe values are shipped |

1. Broken authentication flow

This is common when Lovable-generated auth UI assumes a happy path but Supabase sessions expire early or redirects are wrong. I confirm it by signing up with a new email on an emulator and watching whether session state survives navigation.

If login works once but fails after app restart, session persistence is broken. If magic links or OAuth bounce back to the wrong domain, redirect configuration is wrong.

2. Row Level Security blocking real users

Supabase marketplace apps often pass internal tests because admin-like access is used during development. Reviewers are normal users without elevated permissions.

I confirm this by checking RLS policies on listings, profiles, orders/messages/reviews tables. If authenticated users can see nothing or create nothing unless they are service role users behind the scenes, review will fail.

3. Missing store compliance items

Apple and Google care about more than features. If you collect personal data but do not explain it clearly in-app and in-store metadata, rejection is likely.

I confirm this by comparing:

• Privacy policy link in store listing
• In-app privacy screen
• Data collection declarations
• Account deletion availability
• Sign-in requirement justification

4. Review build differs from production assumptions

A Lovable project can look fine in preview while the shipped build points at stale env vars or old Supabase project refs. That creates broken API calls during review only.

I confirm this by comparing build-time values against production values and checking whether subdomains and deep links resolve correctly on mobile devices.

5. Marketplace workflow is incomplete

Reviewers do not care that "most" of the product works. They need one clean end-to-end story that proves value.

I confirm this by testing:

• Seller creates listing
• Buyer finds listing
• Buyer contacts seller or pays
• Notification reaches both sides
• Transaction state updates correctly

6. Security gaps trigger policy concerns

If permissions are too broad or secrets leak into client-side code, reviewers may reject for security reasons even if they do not name it directly. A marketplace MVP should never expose admin keys to the app bundle.

I confirm this by scanning source files for private keys and checking that all privileged actions go through server-side functions or edge functions with least privilege.

The Fix Plan

My rule here is simple: fix the smallest set of issues that makes one complete review path work reliably. Do not redesign the whole app while trying to pass review.

1. Reproduce the rejection path on a clean device.

• Use one test buyer account and one test seller account.
• Remove cached sessions before each run.
• Record every failure point before changing code.

2. Lock down auth behavior first.

• Make login/signup deterministic.
• Fix redirect URLs for mobile webviews if applicable.
• Ensure session refresh works after app restart.
• Show clear error states instead of silent failures.

3. Repair RLS policies for marketplace tables.

• Allow authenticated users only what they need:
• read public listings,
• create their own listings,
• update their own profile,
• view their own orders/messages,
• never access other users' private records.
• Keep admin/service role actions off the client.

4. Move all secrets out of client code.

• Only ship public anon keys to the client when appropriate.
• Put privileged operations behind server-side logic.
• Rotate any exposed key immediately if you find one in source control or build output.

5. Fix store compliance items before resubmitting.

• Add privacy policy link where required.
• Add account deletion if user accounts exist.
• Update permission prompts so they explain why access is needed.
• Make sure screenshots match actual shipped UI.

6. Simplify the review path if needed.

• If chat is unstable during review but browsing works well enough to prove value, temporarily hide chat behind a feature flag until it passes internal QA.
• If payments are risky during review because of region rules or sandbox confusion, use a non-payment demo mode only if store rules allow it and you clearly label it.

7. Harden deployment settings through Launch Ready style cleanup.

• Confirm domain routing works across root domain and subdomains.
• Set SSL correctly on every endpoint used by the app.

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8. Add monitoring before resubmission. ```text Monitor: x uptime checks for login page x API health checks for Supabase endpoints x alerting for auth failures over baseline x error tracking on startup crashes ```

9. Resubmit only after one full pass succeeds on:

• iPhone simulator/emulator,
• one older device,
• one fresh user account,
• offline/poor network simulation,
• signed-out cold start.

Regression Tests Before Redeploy

I would not ship until these checks pass:

1. Auth smoke test

• New user signup works in under 2 minutes.
• Login survives app restart.
• Logout fully clears session state.

Acceptance criteria:

• Zero infinite redirects.
• Zero blank screens after auth actions.

2. Marketplace core flow test

• Seller creates a listing with image upload.
• Buyer views listing detail page successfully.
• Buyer can message seller or proceed to checkout as designed.

Acceptance criteria:

• One full buyer-seller journey completes without manual intervention.

3. Permissions test

• Normal users cannot read private records belonging to others.
• Admin-only actions are blocked from client access.

Acceptance criteria:

• Unauthorized requests return expected denial responses, not crashes.

4. Compliance test

• Privacy policy link opens correctly inside mobile browser/app webview if used.
• Account deletion exists if accounts exist in production release notes or policy scope.

Acceptance criteria:

• No missing policy item called out in store submission checklist.

5. Error-state test

• Failed network requests show readable messages and retry options.
• Empty states explain what to do next instead of showing dead ends.

Acceptance criteria:

• No silent failure on slow network or expired session.

6. Device compatibility test

• Test at least 1 iPhone model plus 1 Android model if both stores are targeted.
• Verify layout does not break on smaller screens.

Acceptance criteria:

• No clipped buttons।

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Acceptance criteria:

• No clipped buttons or hidden primary actions above fold."

7. Security regression test

• Search repo for hardcoded secrets before deploy again."

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Prevention

The fastest way to avoid another rejection is to treat review readiness like a security gate plus QA gate together.

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1) Add release checklist discipline:

• One documented review flow per release."

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Prevention

The fastest way to avoid another rejection is to treat review readiness like a security gate plus QA gate together.

1. Keep an App Store / Play Store checklist for every release:

• Review account tested from scratch
• Privacy policy live and accurate
• Account deletion visible if required"

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When to Use Launch Ready

Delivery Map

References

• [roadmap.sh - cyber security](https://roadmap.sh/cyber-security)
• [OWASP API Security Top 10](https://owasp.org/www-project-api-security/)
• [MDN Web Docs - HTTP](https://developer.mozilla.org/en-US/docs/Web/HTTP)
• [Cloudflare DNS documentation](https://developers.cloudflare.com/dns/)
• [Sentry documentation](https://docs.sentry.io/)

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Take the next step

If this is a problem in your product right now, here is what to do next:

• [Use the free Cyprian tools](/tools) - estimate cost, score app risk, check launch readiness, or pick the right service sprint.

• [Book a discovery call](/contact) - I will tell you honestly whether you need a sprint or if you can DIY the next step.

*Written by Cyprian Tinashe Aarons - senior full-stack and AI engineer helping founders rescue, launch, automate, and scale AI-built products.*