bookend PDF Viewer

Name: bookend PDF Viewer
Author: iDOC K.K.

iDOC K.K.

⬇ 50,000+ downloads

Est. actual: 54,908

Free

Released: Jul 24, 2015

No in-app purchases

No ads

Signals

3 this week · 1 positive · 1 warning All of this week's signals →

📈Last 7 days +202 installs — 21% slower than the week before (+256) · 31/day since Oct 9
🏆Among Tools apps top 11% by installs gained this week (1167 peers growing)
🛠Updates quiet · updated 107 days ago

Installs since launch

+917 installs since Oct 9

Update history

2.20.0 Jul 28, 2026 · seen Oct 18, 2026

- ターゲットAPIレベルを36(Android 16)に更新<br>- 目次、サムネイル、ブックマーク一覧でページラベルを表示するよう修正<br>- パスワード付きPDFでページラベルが正常に表示されない問題を修正

Only the current version so far — new entries appear as the app ships updates.

bookend PDF Viewer is a tools app by iDOC K.K. with 50,000+ downloads (about 55K estimated). +202 installs in the last 7 days. Released Jul 24, 2015. Install growth, rank history, SDKs and ad networks.

From the store listing: “PDF viewing app used by bookend app”