📈Last 7 days+2.5K installs — 52% slower than the week before (+5.3K) · 292/day since Sep 26
🛠Updatesactively updated · updated 25 days ago · every ~45 days (2 updates tracked)
Installs since launch
+11,388 installs
since Sep 26
Update history
2.4.3Oct 19, 2026 · seen Oct 25, 2026
Yanlış Defteri Pro is here!<br>- Pen cleaning: erase marks and save the question clean (first 3 free)<br>- Print questions on a mini thermal printer (first 20 free)<br>- Cleaner results with AI, restore blank tests<br>- Auto scan, text search, cloud backup<br>For everyone: more readable dark mode and themes, refreshed logo, bug fixes.<br>7 days free on yearly. Notebook, reviews and reports stay fr
2.4.2Sep 4, 2026 · seen Sep 26, 2026
Mistake Notebook now speaks three languages.<br><br>- Pick English, Spanish or Turkish in Settings<br>- Subject and topic names follow your choice<br>- So do the reports and messages you send your teacher<br><br>Nothing in your notebook is affected.
Mistake Notebook: Error Log is an education app by Mustafa Demirer with 10,000+ downloads (about 19K estimated). +2.5K installs in the last 7 days. Released Jul 20, 2026. Install growth, rank history, SDKs and ad networks.
From the store listing: “Everyone knows they should keep a mistake notebook. The hard part is not starting one — it is keeping it up.
Mistake Notebook is not an archive that collects photos of questions. It is a study system that brings each mistake back when it is due, and refuses to call it closed until you have proved you have learned it.…”
