Episteme: PDF & eBook Reader icon

Episteme: PDF & eBook Reader

Episteme Dev
★ 4.8 (637 ratings)
⬇ 10,000+ downloads
Est. actual: 16,551
Free
Released: Nov 8, 2025
IAP: $0.99 - $19.99 per item
No ads

Signals

4 this week · 3 positive All of this week's signals →
  • 📈Last 7 days +862 installs — 50% faster than the week before (+574) · 77/day since Oct 7
  • 🏆Among Books & Reference apps top 1% by installs gained this week (377 peers growing)
  • ⭐Rating steady at ★ 4.78 since Oct 7
  • 🛠Updates actively updated · updated 5 days ago · every ~28 days (2 updates tracked)
Installs since launch
0 8.3K 17K 17K Nov 8, 2025 today
+2,711 installs · +103 ratings since Oct 7
Update history
1.0.59 Nov 7, 2026 · seen Nov 12, 2026
- Search inside your books: find text across your whole library and jump straight to the exact spot.<br>- Reader themes: choose a look per book.<br>- Open Office files: added DOC support<br>- PDF: up to 5000% zoom<br>- Fixed data loss when saving PDF annotations and syncing folders.<br>- General stability and performance improvements.
1.0.58 Oct 9, 2026 · seen Oct 22, 2026
- fix epub highlight color changing issue<br>- crash fix on app start

Episteme: PDF & eBook Reader is a books & reference app by Episteme Dev with 10,000+ downloads (about 17K estimated). +862 installs in the last 7 days. Rated 4.8 from 637 ratings. Released Nov 8, 2025. Install growth, rank history, SDKs and ad networks.

From the store listing: “A document and e-book reader for PDF, EPUB, MOBI and FB2 files.”