Research note: This overview uses the Google Play listing and selected written reviews. It is not a hands-on test. The 100-point value score estimates public store signals and PDF task fit. See the scoring method.
AT A GLANCE

What CS PDF Reader - PDF Editor offers

PDF converter & PDF editor: read and annotate PDF, e-sign, sync with CamScanner

PDF TASKPDF editors & signing
GOOGLE PLAY4.5 / 5
VALUE SCORE85 / 100

The store description is the source for listed features. Check the app's current limits before relying on a particular editing, scanning, or export action.

PUBLIC STORE SNAPSHOT

Ratings and access

INSTALL THRESHOLD10,000,000+No “Contains ads” label
VALUE SCORE85 / 100See score breakdown →

Google Play lists in-app purchases. Install counts are public thresholds, not exact downloads. Snapshot checked September 24, 2026.

SELECTED USER REVIEWS

What reviewers mention

✓ Positives

Reviewers praise fast reading, annotation, compression, and simple navigation.

△ Watch for

Some report newer ads, lost scans, or edits that fail to appear when printed.

AI-assisted themes from 30 five-star and 30 one-star Google Play US written reviews. The balanced sample shows kinds of feedback, not their prevalence. Read source reviews ↗

BEFORE YOU CHOOSE

Test your actual PDF task

Check whether the current version can complete the action you need and save the result in the right format. If your PDF contains scanned pages, confirm whether text recognition is included. For private files, check where processing happens before uploading them.

Read the PDF conversion guide →

SOURCES

Listing and method