DaTrans
Unlimited PDF translation
Free · In-App Purchases · Designed for iPad
From textbooks and academic papers to comics,
Freely, Unlimited,
In multiple languages,
Easy and fast, with high quality,
We translate everything and note-taking.
1. Overview
Translate PDFs without restrictions while maintaining their layout for free.
Experience the highest quality with our PDF translator.
Translate PDFs quickly and without limits with just a few taps.
Supports free translation into 21 languages and up to 190 languages with a premium subscription.
Includes a note-taking feature, making it ideal for studying or research.
2. Key Features
1) Currently supports translating one PDF at a time.
2) Translate into up to 190 languages (21 languages available for free).
3) Features automatic language detection.
4) Offers four translation methods: Full Translation, Text Selection, Pen Brush, and Text Box.
5) Provides a chat translation window for Pen Brush and Text Box modes.
6) Premium users can translate image-based PDFs (not available for free).
7) Maintain layout integrity while translating without any limitations for free.
3. Feature Details
Explains toolbar buttons on both sides of the app.
4. Default State
Opens in Text Selection mode.
One-finger scrolling and long-press to select text for translation.
5. Left Toolbar
Unified Menu: Access main functions.
Open File: Load a PDF.
Save File: Save translated files.
Close File: Exit the current PDF.
Undo/Redo: Manage actions in drawing mode.
6. Right Toolbar
Share: Share translated files via iOS features.
Draw Mode: Annotate PDFs; translations appear in chat.
Text Box Mode: Groups fragmented text for smoother translation (free only).
Show/Hide Text Blocks: Toggle visibility of translation units.
Remove All Annotations: Clear all PDF annotations.
Account & Settings: Manage user login and app settings.
7. Second Row Toolbar
Left Sidebar: View PDF thumbnails and navigate pages.
Source/Target PDF Info: Display file details.
Select Source/Target Language: Choose languages (21 free, 190 premium).
Translation List: Manage translated PDFs.
Translation Chat Window: Real-time translation display and message translation.
8. Unlock All Features (Upgrade)
Unlock Button: Available in the left menu.
Settings: Login, choose free/premium, and remove ads/watermarks.
Language Upgrade: Access more languages by upgrading.
9. Refund Policy
Refunds within one week of purchase.
There are no refunds if any page is translated using premium.
10. Other Considerations
Language detection is limited to free languages for premium users.
PDFs are stored for ~90 days for issue resolution.
Re-translation fees are deducted from the premium balance.
Single device login for premium accounts.
11. Upcoming Updates
Text Box feature for premium users.
Option to set translation page ranges.
Ratings & Reviews
This app has not received enough ratings or reviews to display an overview.
Fixed UI bugs in dark mode
The developer, Gook whan Ahn, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Not Linked to You
The following data may be collected but it is not linked to your identity:
- Contact Info
- User Content
- Other Data
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Provider
- Gook whan Ahn
- Size
- 19.4 MB
- Category
- Productivity
- Compatibility
Requires iOS 18.0 or later.
- iPhone
Requires iOS 18.0 or later. - iPad
Requires iPadOS 18.0 or later. - Mac
Requires macOS 15.0 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 2.0 or later.
- Languages
English and 4 more
- English, Japanese, Korean, Simplified Chinese, Spanish
- Age Rating
4+
- 4+
- Copyright
- © 2024-2025 Touchizen.com