Looking for PSTR? You found it. PSTR Collage is the carousel post maker and AI scrapbook studio from your TikTok feed — turn plain photos into designer carousels, collages and photo dumps in seconds.
★ 4.6 on the App Store · 100,000+ downloads · Free
AI collages from plain camera-roll photos (iPhone)
Seamless multi-slide carousels for Instagram
Scrapbook templates, tape, stickers and film frames
Full-res export for stories, feed, Pinterest or print
Note: PSTR Collage is an independent collage app. It is not affiliated with PSTR.app (Poster) or PSTR Studio — if you came here from a collage or carousel video, this is the one you’re looking for.
FAQ
Is this the official PSTR app?+
Yes — PSTR Collage is the official PSTR app, and pstrcollage.com is its official website. If you found PSTR through a TikTok collage or carousel video, this is the same app.
Is the PSTR app available on Android?+
Yes — the PSTR app is available on the App Store for iPhone and iPad, and on Google Play for Android. AI tools are currently iPhone-only.
Is the PSTR app free?+
Yes — PSTR is free to download and start creating. On iPhone, some advanced tools are available through optional in-app purchases.