What's inside
- Platform-optimised captions for Instagram, TikTok, LinkedIn and X
- Viral hook writer producing five opening hooks per topic
- Tiered hashtag packs with real recommendations per platform
- Content repurpose engine adapts one piece for every platform
- Brand voice training on your own writing samples
- A/B caption tester scoring two captions with engagement breakdowns
- Content calendar with AI-generated ideas in a monthly grid
- Caption library to save, favourite, search and filter
What you get
Full source project
Open it in Android Studio and run. No obfuscated files, no licence server.
Documentation
Setup, folder structure, and how to rebrand it in under an hour.
Six months support
Bug fixes and questions about how the project is put together.
Free updates
Every future version of this item, at no extra cost.
Changelog
v1.0.0 · Apr 2026
Initial release.
Flutter · AI
PostAI - AI Social Media Caption Generator & Content Creator Flutter App (Android & iOS)
AI social media caption generator and content creator for Android and iOS, built with Flutter.
$11one-time · regular licence
Buy on CodeCanyonLive previewExtended licence available at checkout if you plan to charge users for the app itself.
