# DuPDF — Edit, Sign & Convert PDFs

> Local-first PDF editor, signer, converter, and organizer for Apple devices. (iPhone/iPad app by Manikandan Kondappan.)

- Source: https://appshunter.io/ios/app/dupdf/id6795683252 (this page in markdown: same URL + `.md`)
- Developer: [Manikandan Kondappan](https://appshunter.io/developer/1841222210)
- Category: Productivity, Education
- Price: Free with in-app purchases
- Rating: 5.00/5 from 1 App Store ratings
- Age rating: 17+
- Requires: iOS 18.5 · 196 MB
- Languages: American English, French (France), German (Germany), Hindi, Indonesian, Italian, Japanese, Korean, Russian, Chinese (Simplified, China) and 5 more
- Released: 2026-09-07
- Data updated: 2026-10-15
- Monetization: freemium

## What is DuPDF?

DuPDF is a local-first PDF atelier for iPhone, iPad, and Mac. Sign, edit, convert, compress, scan, and organize documents on your device — your files are not uploaded to our servers.

WHY DUPDF
• Free forever for the core toolkit, with daily allowances
• Everything runs on device: PDFs, annotations, and signatures stay in the app sandbox
• Four studios in one app: Du-PDF Atelier, Du-Image Studio, Inline Text Editor, and Edit PDF Text
• Optional Double PQC Shield (Ultra Pro) for on-device post-quantum key protection

PDF ATELIER
• Read in continuous or single-page mode, with dark mode, search, and export
• Annotate with notes, highlights, images, masks, and typed text
• Sign with a signature pad; save and reuse signatures from a vault
• Undo, redo, and save as you work
• Lock and unlock PDFs; merge, split, and compress while keeping text sharp

EDIT PDF TEXT & CONVERT
• Edit PDF Text: change words on the page and keep the original look (Beta on Free: 10 unique pages per day; unlimited on Pro and Ultra Pro)
• PDFtoW: convert PDF to editable Word (.docx) with layout-aware conversion (Free: 30 pages / 24 hours and 200 pages / 30 days; Pro: 200 pages / 24 hours; Ultra Pro: unlimited)
• Import PDFs and images into one library with Imported, Edited, and folder rails

IMAGE STUDIO & SCAN
• Scan with the camera or import from Photos
• Crop, perspective-correct, and prepare documents and photos alongside your PDFs

PLANS (billed through Apple)
• Free — atelier, 10 Edit PDF Text pages/day, 30 PDFtoW pages/24h, up to 20 saved signatures
• Pro — $9/month or $99/year (US reference): unlimited Edit PDF Text, 200 PDFtoW pages/24h, up to 50 signatures. Yearly includes a 30-day free trial where offered by Apple
• Ultra Pro — $399/year (US reference): everything in Pro, unlimited PDFtoW, up to 100 signatures, Double PQC Shield including Photo Protection
New installs include complimentary Ultra Pro for 30 days, then complimentary Pro for 30 days, then Free unless you subscribe.

Subscriptions charge to your Apple ID at confirmation and renew automatically unless cancelled at least 24 hours before the end of the current period. Manage or cancel in Settings → Apple ID → Subscriptions. Apple sets the price for your country and currency. Refunds follow Apple’s policies.

Works with Sign in with Apple for account features. Official download: Apple App Store only.

Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Support: https://dupdf.com/support.html
Website: https://dupdf.com/

Contact: dupdf@proton.me

## Key features

- Edit PDF text and layout
- Sign and manage signatures
- Convert PDFs to Word (.docx)
- Compress and merge PDFs
- Scan documents with camera
- Local-first processing

## Pricing and in-app purchases

Base price: Free.

**Subscriptions**

| Subscription | Price | Period |
| --- | --- | --- |
| Pro Monthly | $9.00 | per month |
| Pro Yearly | $99.00 | per year |
| Ultra Pro Yearly | $399.00 | per year |


## Is DuPDF safe?

Not enough ratings yet to assess DuPDF.

## Is DuPDF legit?

DuPDF has limited verification signals. The AppsHunter Legitimacy Score for DuPDF is 50 out of 100 points across 7 verification signals from App Store and developer data.


## Frequently asked questions about DuPDF

### Does DuPDF have ads?

No, DuPDF is ad-free. As a local-first application, it focuses on providing a seamless user experience without advertisements.

### What are the subscription options for DuPDF?

DuPDF offers a Free tier with core tools and daily allowances. Paid options include Pro ($9/month or $99/year) for unlimited text editing and more PDFtoW conversions, and Ultra Pro ($399/year) with all Pro features plus advanced security.

### How does DuPDF handle user data privacy?

DuPDF is a local-first application, meaning all your PDFs, annotations, and signatures are processed and stored on your device within the app's sandbox. Files are not uploaded to external servers.

### Can I edit text directly within PDFs using DuPDF?

Yes, DuPDF features an 'Edit PDF Text' studio. The free version allows editing on 10 unique pages per day, while Pro and Ultra Pro subscriptions offer unlimited editing.

### What devices does DuPDF support?

DuPDF is available for iPhone, iPad, and Mac, ensuring a consistent experience across your Apple ecosystem.

### How often is DuPDF updated?

The latest version is 3.6 (27), released on September 8, 2026. Updates typically include new features and improvements, indicating active development.

### What is the age rating for DuPDF?

DuPDF has an age rating of 17+, likely due to the advanced document editing and potential for handling sensitive information.

### How do I cancel my DuPDF subscription?

Subscriptions are managed through your Apple ID. You can cancel by going to Settings → Apple ID → Subscriptions. Cancellations must be made at least 24 hours before the current period ends.

## Version history (last 1 release)

### 3.6 (27) — 2026-09-08

No release notes.

---

*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-10-15.*