📈Last 7 days+34 installs — 13% slower than the week before (+39) · 5/day since Sep 30
🏆Among Books & Reference appstop 17% by installs gained this week (312 peers growing)
🛠Updatesactively updated · updated 27 days ago · every ~19 days (2 updates tracked)
Installs since launch
+189 installs
since Sep 30
Update history
4.5.0Oct 18, 2026 · seen Oct 26, 2026
Quill 4.5.0<br><br>Redesigned Sources tab — easier imports and catalogue previews<br>Compact profile card — change avatar or name right from More<br>Smoother Aira replies — responses flow in as she answers<br>Faster cover loading — Standard Ebooks covers load quicker<br>Gentler reminders — show when they’ll ring<br>Polish — smoother fades, Aira panel fixes, and more
4.0.0Sep 29, 2026
Quill 4.0.0: a rebuilt, spoiler-free Aira you can ask from any passage, Visualize Scenes, a refreshed reader with ambient sounds and night light, reading reminders, a new Discover tab and a brand new look.
Quill: EPUB Book Reader is a books & reference app by Yugen Tech with 1,000+ downloads (about 1K estimated). +34 installs in the last 7 days. Released Apr 10, 2026. Install growth, rank history, SDKs and ad networks.
From the store listing: “Quill is a reading app built for people who care about books.
Powered by the Readium EPUB engine, Quill gives you a smooth, scrollable reading experience with clean typography and precise layout control, the
kind of environment that actually lets you disappear into a book.
Quill connects directly to Standard…”
