Now on iOS
The photo dump app that picks itself.
Upload 12 photos. AI picks your best shots, orders them, writes the caption, and finds the song. Ready to post in seconds.
5.0 · App StoreLoved by early users
What PostCheck does
Four moves. One tap.
How it works
Three steps. Thirty seconds.
Step 01
01
Upload your dump
Pick up to 12 photos. No signup, no waiting.
Step 02
02
AI picks & orders
Score every shot, keep the best, sequence them into an arc.
Step 03
03
Post it
Grab the finished dump with caption and song. Post it.
Under the hood
Built for people who actually post.
Cultural intelligence
Trained on what actually performs. Not last year’s playbook.
Current caption registers, current song bank, current pacing. Refreshed weekly so every dump feels right for right now.
arc9.2cohesion8.7opener9.5closer8.9pacing9.0
Learns you
Gets sharper every dump.
Every pick sharpens PostCheck’s read on your taste.
Private
Photos stay on your phone.
Nothing stored in the cloud. No face recognition. No ads.
Powered by Claude
The most capable AI, on your camera roll.
Anthropic’s newest vision model. Same tier used by Fortune 500 teams.
Curated song bank
Every song that hits, updated weekly.
Charting tracks and evergreens, matched to your set’s vibe, era, and pacing.
5.0
App Store rating
4+
Countries active
30s
Upload to post
“It picked the exact photos I would have picked, but in half a second. I stopped second-guessing.”
“The captions actually sound like me. First AI tool I’ve ever kept on my home screen.”
“Went from 20 minutes building a dump to 30 seconds. And they perform better.”
Post the dump you meant to post.
Free to try. No signup. Just better posts, faster.
iPhone · iOS 17+