Indie iOS stack
Content & community app stack
The feed-and-notifications stack for an app whose value grows with its users and their content.
A content or community app lives or dies on two loops: fresh content showing up, and people being pulled back when it does. That means a real backend, behavioral analytics you can act on, and lifecycle messaging — before you worry about monetization.
This stack favors tools that scale from your first hundred users to your first hundred thousand without a re-platform, and keeps analytics and push on generous free tiers until engagement is worth paying to grow.
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The stack
What we’d run, and why
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Supabase
Supabase gives you Postgres with row-level security, auth, storage for user media, and realtime subscriptions — the exact primitives a feed or community app needs, with portable data.
PostHog
PostHog combines funnels, retention, session insights, and feature flags in one tool, so you can ship a feature behind a flag and measure its effect without stitching two SDKs together.
Alternatives
OneSignal
OneSignal handles push, in-app messages, and basic segmentation on a free tier that comfortably covers an early community app's re-engagement needs.
Alternatives
Sentry
Sentry catches the backend-plus-client errors that community apps are prone to — failed uploads, sync conflicts, feed edge cases — with traces across both.
Alternatives
fastlane
fastlane keeps your release cadence fast and cheap, which matters when you are iterating on engagement features weekly.
RevenueCat
When a community app adds a paid tier or supporter subscription, RevenueCat drops in without you rebuilding purchase handling. Add it the day you have something worth charging for.
Alternatives
Compatibility notes
How these tools fit together
Trigger OneSignal pushes from Supabase events
Call OneSignal's REST API from a Supabase edge function or database webhook when new content lands, so 'someone replied' or 'new post in your topic' notifications fire from your data layer rather than a cron job guessing.
Identify PostHog with your Supabase auth id
Use the Supabase user id as the PostHog distinct id so behavioral funnels, retention cohorts, and feature-flag targeting all key off the same identity across sessions and devices.
Gate features with PostHog flags, not app releases
Ship risky community features behind a PostHog feature flag and roll them out to a percentage of users. You measure impact and can kill a bad feature without waiting on App Store review.
Send Supabase auth ids to Sentry for user-scoped errors
Set the Sentry user context from your Supabase session so a spike in sync errors can be traced to affected accounts instead of anonymous noise.
When to upgrade
Add RevenueCat when you introduce a subscription tier, and watch PostHog event volume before free-tier limits bite at scale.
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