PDF Viewer - Annotate & Sign

Name: PDF Viewer - Annotate & Sign
Author: Studio GongSo

Studio GongSo

⬇ 100+ downloads

Est. actual: 187

Free

Released: Mar 29, 2026

No in-app purchases

Contains ads

Signals

3 this week · 2 positive All of this week's signals →

📈Last 7 days +1 installs · 0/day since Oct 7
🏆Among Tools apps bottom 0% by installs gained this week (942 peers growing)
🛠Updates quiet · updated 72 days ago

Installs since launch

+2 installs since Oct 7

Update history

1.4.0 Aug 30, 2026 · seen Oct 15, 2026

Annotate PDFs directly in the app. • Highlight, underline, strikethrough — long-press a word, drag to extend • Pen, rectangle, ellipse, text box, signature. One finger draws, two fingers move the document • Signature library — draw once, reuse anywhere • Annotation list with type filter; tap to jump to the page • Undo and redo Saved as standard PDF annotations, so ot

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

PDF Viewer - Annotate & Sign is a tools app by Studio GongSo with 100+ downloads (about 187 estimated). +1 installs in the last 7 days. Released Mar 29, 2026. Install growth, rank history, SDKs and ad networks.

From the store listing: “Open PDFs fast, then highlight, draw and sign. Saved as standard annotations.”