📈Last 7 days+9 installs — 18% slower than the week before (+11) · 1/day since Oct 7
🏆Among Books & Reference appstop 41% by installs gained this week (325 peers growing)
🛠Updatesquiet · updated 43 days ago
Installs since launch
+31 installs
since Oct 7
Update history
1.0.0Sep 30, 2026 · seen Oct 15, 2026
Welcome to Perfin. Photograph a stamp to identify it and read its history. See AI value estimates at every condition grade and an authenticity report for your copy. Find the stamp from your birth year and build a collection with your own photos.
Only the current version so far — new entries appear as the app ships updates.
Perfin: Stamp Identifier is a books & reference app by HiveSoft with 10+ downloads (about 34 estimated). +9 installs in the last 7 days. Released Sep 30, 2026. Install growth, rank history, SDKs and ad networks.
From the store listing: “Identify postage stamps from a photo. History, AI value ranges and fake checks.”
