Where this app stands in South Korea, updated 2 Nov 2026
Top free · Productivity
#89 ▼17
Top grossing
Not in this chart today
Top paid
Not in this chart today
| Date | Free |
|---|---|
| 2 Nov 2026 | #89 |
| 14 Oct 2026 | #72 |
| 13 Oct 2026 | #56 |
| 12 Oct 2026 | #32 |
| 11 Oct 2026 | #19 |
| 10 Oct 2026 | #24 |
| 9 Oct 2026 | #23 |
| 8 Oct 2026 | #24 |
Best rank in each country today. Click a country to see its graph.
Initial release of our app! We are excited to bring you the first version. Download now to get started and let us know what you think.
View, edit, scan, sign, and convert PDFs with ease.
Fast PDF Viewer is a simple and practical PDF reader and editor that helps you view, manage, annotate, and create PDF files anytime, anywhere. Whether you need to review work documents or study materials, Fast PDF Viewer gives you the essential tools in one app. Key Features: • PDF File List: Browse and find PDF files stored on your device • PDF Preview: Open and read PDF documents clearly and smoothly • PDF Editing: Add new text directly to your PDF files • Sign PDFs: Add handwritten signatures to documents • Draw on PDFs: Write, draw, and mark up pages with a pen tool • Underline and Highlight: Emphasize important text and key information • Scan to PDF: Scan paper documents and save them as PDFs • Image to PDF: Convert photos and images into PDF documents Fast PDF Viewer makes PDF work easy. Read, edit, sign, scan, and convert your files—all from your phone.
past month, based on 2 days
Downloads
Low confidence13K
From install count ÷ months since release
In-app revenue
$0
No in-app purchases
Ads
$2.8K
$1.4K – $5.5K
Estimate, ads (benchmark-based, not calibrated per app)
Total
$2.8K
In-app + ads
Google Play only. Downloads from daily Top free ranks (or the store's install count); in-app revenue from Top grossing ranks, calibrated on AppTweak's US estimates, or else from downloads; ads from public ad benchmarks. Not reported figures.