# Document Language Translator vs TransFlow

The clearest difference is update cadence: Document Language Translator at every 6 months against TransFlow's every 17 months. Document Language Translator also leads on iOS requirement (16.0 vs 26.0). TransFlow's advantage is device support (3 vs 1). On price, ads and in-app purchases there is nothing between them.

Both are free to download. Document Language Translator sells 5 in-app purchases, starting at $39.99 per month and TransFlow sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Document Language Translator ships an update every 6 months, TransFlow every 17 months. The most recent releases landed on October 30, 2026 and November 8, 2026 respectively.

## The numbers

| Metric | Document Language Translator | TransFlow |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 6 months** | Every 17 months |
| Monetization | — | Free with in-app purchases |
| Size | 57 MB | 11 MB |
| Requires iOS | **16.0** | 26.0 |
| Devices | iPhone | **iPhone, iPad, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Yogesh Rathod](https://appshunter.io/developer/1548316962) | [实 许](https://appshunter.io/developer/681075194) |

## What reviewers say

### Document Language Translator

[App page](https://appshunter.io/ios/app/document-language-translator/id6447461531)

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| One month subscription | $39.99 | per month |
| One File Translation | $0.99 | one-time |
| Two File Translation | $1.99 | one-time |
| Five File Translation | $2.99 | one-time |
| Ten File Translation | $4.99 | one-time |


### TransFlow

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

Translate foreign language EPUB books into your preferred language using on-device translation. Read translated books with customizable themes and export them to your favorite EPUB readers. Offers both translation-only and bilingual output options.

**Highlights:** On-device EPUB translation, Bilingual output option, Customizable reader themes, Queue multiple books for translation, Export translated EPUBs, Pause and resume translation

**Features:** Vision Pro support, iPhone Duo support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| TransFlow Pro | $9.99 | one-time |


## Frequently asked questions

### Is Document Language Translator free?

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

### Is TransFlow free?

TransFlow is free to download, with in-app purchases available.

### Do Document Language Translator or TransFlow have ads?

Neither Document Language Translator nor TransFlow shows ads.

### Which is updated more often, Document Language Translator or TransFlow?

Document Language Translator ships an update every 6 months, and TransFlow every 17 months. Most recently, Document Language Translator was updated on October 30, 2026 and TransFlow on November 8, 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.*