📈Last 7 days+83 installs — 40% slower than the week before (+138) · 13/day since Oct 7
🏆Among Books & Reference appstop 10% by installs gained this week (308 peers growing)
⭐Rating★ 4.30 → 4.00 since Oct 7
🛠Updatesdormant · updated 231 days ago
Installs since launch
+382 installs
· +2 ratings
since Oct 7
Update history
1.1.22Mar 24, 2026 · seen Oct 17, 2026
New features: x4epapers and design lock
Only the current version so far — new entries appear as the app ships updates.
Send to X4: E-Ink Companion is a books & reference app by Chapiware with 5,000+ downloads (about 5K estimated). +83 installs in the last 7 days. Rated 4.0 from 29 ratings. Released Feb 4, 2026. Install growth, rank history, SDKs and ad networks.
From the store listing: “Send articles, notes, screensavers & EPUBs to your Xteink X4 e-ink reader.”
