PDF Sign & PDF Editor Android
PDF Sign & PDF Editor is #141 in Tools Free on Google Play in Japan and charting in 1 of 15 countries we track.
Updated 27 Sep 2026 · rankings refresh through the day
DeveloperLUNAR LTD
CategoryTools
PriceFree
Released
Installs100k+
Rating★ 3.4 (248)
Updated
Content ratingEveryone
Rating
3.4 ★
248 ratings
Measured
Best rank now
#141
Tools FreeMeasured
PDF Sign & PDF Editor on Google Play
App details
App ID
com.tooldoc.pdfsign.luader
Publisher
LUNAR LTD
Content rating
Everyone
PDF Sign & PDF Editor downloads
Worldwide, per day, and installs to date. The band is open; the exact number is free with an account.
How this is calculated
Google Play shows an exact lifetime install count; downloads per day are its daily change (measured). When Play hasn't refreshed the count, they come from new ratings and Top Free chart positions. Confidence is the chance the real number is within half to double ours.
Active users
All platforms, worldwide. Free with an account.
Stickiness (DAU / MAU)
how many monthly users open it on a given day
How this is calculated
Monthly users come from lifetime installs across every store, fitted on monthly active user figures companies publish; daily users = monthly × the typical daily/monthly ratio for the category. Confidence is the chance the real number is within half to double ours.
Business model: Ad-led
How PDF Sign & PDF Editor makes money: subscriptions, one-off purchases and ads.
Ads · 1 ad networks
Ads
/mo
of revenue
Where it ranks on Google Play
Every top 200 chart it appears in across 15 countries.
| Country | Charts | Rank |
|---|---|---|
| Japan | ToolsFree | #141 |
Apps near PDF Sign & PDF Editor on the chart
Tools Free, around #141.
Ratings
Google Play, worldwide.
Rating
3.4 ★
248 ratings
Measured
Ratings
248
Measured
Written reviews
10
Measured
About PDF Sign & PDF Editor
📄 Document Reader – PDF Viewer & PDF Tools
This Android application comes with straightforward navigation. On mobile devices, you can open, preview, convert and organize PDFs alongside various office documents. It includes a complete set of practical PDF functions to simplify daily document processing, suited for study, regular office work and business affairs.
🔍 Document Viewing & Reading (Multi-format Supported)
The app boots up fast and provides stable, seamless preview. You can access and browse PDFs and other widely used formats easily. It supports PDF, Word, Excel and PPT, covering most mainstream office document types. This multi-functional document tool meets daily needs for opening and reviewing content.
🔄 File Conversion – PDF Conversion & Creation
This full PDF toolkit supports fast format conversion for documents and images. You can turn photos, JPG and PNG images into standard PDF files with ease. The built-in camera scanner also lets you turn snapshots of physical paper documents directly into PDFs.
✂️ PDF File Management
The app’s built-in tools help you organize PDFs in order. You can merge multiple PDFs into one file, or split a single PDF into separate documents. Locate files quickly with recent documents and favorite folders. The app reliably handles regular PDF edits and daily document operations.
📁 Streamlined File Management for Higher Efficiency
The app automatically scans all local PDF files on your device and lists them in one unified view. You can manage all PDFs and office documents within this single app. It fits academic study, desktop office work and mobile working scenarios, improving efficiency for study and daily professional tasks.
✅ Why Choose This App
It has a clean interface and simple operation flow, ideal for students, office employees and anyone who regularly works with PDFs. Download this versatile tool combining PDF viewing, PDF creation and multi-format document reading.
This Android application comes with straightforward navigation. On mobile devices, you can open, preview, convert and organize PDFs alongside various office documents. It includes a complete set of practical PDF functions to simplify daily document processing, suited for study, regular office work and business affairs.
🔍 Document Viewing & Reading (Multi-format Supported)
The app boots up fast and provides stable, seamless preview. You can access and browse PDFs and other widely used formats easily. It supports PDF, Word, Excel and PPT, covering most mainstream office document types. This multi-functional document tool meets daily needs for opening and reviewing content.
🔄 File Conversion – PDF Conversion & Creation
This full PDF toolkit supports fast format conversion for documents and images. You can turn photos, JPG and PNG images into standard PDF files with ease. The built-in camera scanner also lets you turn snapshots of physical paper documents directly into PDFs.
✂️ PDF File Management
The app’s built-in tools help you organize PDFs in order. You can merge multiple PDFs into one file, or split a single PDF into separate documents. Locate files quickly with recent documents and favorite folders. The app reliably handles regular PDF edits and daily document operations.
📁 Streamlined File Management for Higher Efficiency
The app automatically scans all local PDF files on your device and lists them in one unified view. You can manage all PDFs and office documents within this single app. It fits academic study, desktop office work and mobile working scenarios, improving efficiency for study and daily professional tasks.
✅ Why Choose This App
It has a clean interface and simple operation flow, ideal for students, office employees and anyone who regularly works with PDFs. Download this versatile tool combining PDF viewing, PDF creation and multi-format document reading.
What's new in 1.0.5
Fixed some issues to optimize user experience