# DeftPDF Document Translator vs Immersive Book Translator

DeftPDF Document Translator and Immersive Book Translator both sit at 3.0 stars, but that hides the real split: 50% of DeftPDF Document Translator's written reviews are positive against 0% of Immersive Book Translator's. DeftPDF Document Translator also leads on iOS requirement (15.0 vs 17.0). On price, rating, ratings volume and update cadence there is nothing between them.

Both are free to download. DeftPDF Document Translator sells 20 one-off in-app purchases and Immersive Book Translator sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 3.0 for DeftPDF Document Translator against 3.0 for Immersive Book Translator. Both are backed by a comparable volume of ratings — 2 and 4 respectively. Written reviews are what separate them: 50% of DeftPDF Document Translator's written reviews are positive against 0% of Immersive Book Translator's.

DeftPDF Document Translator ships an update weekly, Immersive Book Translator every 8 days. The most recent releases landed on September 9, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | DeftPDF Document Translator | Immersive Book Translator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.0 (2 ratings)](https://appshunter.io/ios/app/deftpdf-document-translator/id1641314751/reviews) | [3.0 (4 ratings)](https://appshunter.io/ios/app/immersive-book-translator/id6475327487/reviews) |
| Number of ratings | 2 | **4** |
| Positive reviews | **50.0% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Weekly** | Every 8 days |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 26 MB | 5 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [Sictec Infotech](https://appshunter.io/developer/1365388381) | [实 许](https://appshunter.io/developer/681075194) |

## What reviewers say

### DeftPDF Document Translator

[App page](https://appshunter.io/ios/app/deftpdf-document-translator/id1641314751)

Instantly translate documents in various formats like PDF, Docx, and Txt into over 130 languages. This app preserves document layout and supports large files, including scanned PDFs using OCR technology. No registration or watermarks are required.

**Highlights:** Translate 130+ languages, Supports PDF, Docx, Pptx, Xlsx, Txt, Html, Preserves document layout, OCR for scanned PDFs, Large file support (500+ pages), No registration required, No watermarks

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (20)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Translate file | $0.49 | one-time |
| Translate file | $0.99 | one-time |
| Translate file | $1.00 | one-time |
| Translate file | $1.99 | one-time |
| Translate file | $2.99 | one-time |
| Translate file | $3.00 | one-time |
| Translate file | $3.99 | one-time |
| Translate file | $4.99 | one-time |
| Translate file | $5.99 | one-time |
| Translate file | $6.99 | one-time |
| Translate file | $7.99 | one-time |
| Translate file | $8.99 | one-time |
| Translate file | $9.99 | one-time |
| Translate file | $11.99 | one-time |
| Translate file | $14.99 | one-time |
| Translate file | $18.99 | one-time |
| Translate file | $449.99 | one-time |
| Translate file | $499.99 | one-time |
| Translate file | $599.99 | one-time |
| Translate file | $699.99 | one-time |


### Immersive Book Translator

[App page](https://appshunter.io/ios/app/immersive-book-translator/id6475327487)

Read any ePub ebook in your preferred language with high-quality AI translation. Enjoy an immersive reading experience with customizable settings and full-text downloads.

**Highlights:** AI-powered translation, Supports major languages, Immersive reading experience, Customizable interface, Full-text download, iPad double-page layout

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Permanent License(own API key) | $9.99 | one-time |


## Frequently asked questions

### Is DeftPDF Document Translator free?

DeftPDF Document Translator is free to download, with in-app purchases available.

### Is Immersive Book Translator free?

Immersive Book Translator is free to download, with in-app purchases available.

### Which has better reviews, DeftPDF Document Translator or Immersive Book Translator?

DeftPDF Document Translator and Immersive Book Translator are both rated 3.0 out of 5 on the App Store, from 2 and 4 ratings respectively.

### Do DeftPDF Document Translator or Immersive Book Translator have ads?

Neither DeftPDF Document Translator nor Immersive Book Translator shows ads.

### Which is updated more often, DeftPDF Document Translator or Immersive Book Translator?

DeftPDF Document Translator ships an update weekly, and Immersive Book Translator every 8 days. Most recently, DeftPDF Document Translator was updated on September 9, 2026 and Immersive Book Translator on September 21, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*