# PDF Translate Pro vs TransFlow

The clearest difference is update cadence: PDF Translate Pro at every 8 days against TransFlow's every 17 months. PDF Translate Pro also leads on iOS requirement (15.0 vs 26.0). On price, review sentiment, ads and in-app purchases there is nothing between them.

Both are free to download. PDF Translate Pro sells 10 in-app purchases, starting at $2.99 per 7 days and TransFlow sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

PDF Translate Pro ships an update every 8 days, TransFlow every 17 months. The most recent releases landed on November 7, 2026 and November 8, 2026 respectively.

## The numbers

| Metric | PDF Translate Pro | TransFlow |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.1 (291 ratings)](https://appshunter.io/ios/app/pdf-translate-pro/id1609232374/reviews)** | — |
| Number of ratings | **291** | — |
| Positive reviews | 0.0% of reviews | 0.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 8 days** | Every 17 months |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 152 MB | 11 MB |
| Requires iOS | **15.0** | 26.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [Aldoo Ltd](https://appshunter.io/developer/1533822725) | [实 许](https://appshunter.io/developer/681075194) |

## What reviewers say

### PDF Translate Pro

[App page](https://appshunter.io/ios/app/pdf-translate-pro/id1609232374)

Instantly translate any document, from contracts to ebooks, across over 100 languages. Supports various file formats and offers a PDF to Voice feature for hands-free listening. Seamlessly sync translations across devices and access your history anytime.

**Highlights:** Translate 100+ languages with auto-detection, Unlimited page translation, Supports PDF, Word, Excel, PowerPoint, Translation history and cloud sync, Convert translated documents to audio, Merge and split files

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Premium | $2.99 | per 7 days |
| Weekly Premium | $4.99 | per 7 days |
| PDF Translator Pro Weekly | $6.99 | per 7 days |
| Monthly Access Plan | $6.99 | per month |
| Monthly Premium | $9.99 | per month |
| Weekly Unlimited Access | $9.99 | per 7 days |
| PDT Translator Pro Weekly Plan | $12.99 | per 7 days |
| PDT Translator Pro Weekly Plan | $19.99 | per 7 days |
| 3 credits | $0.99 | one-time |
| 20 credits | $3.99 | one-time |

**What reviewers complain about**

- 💸 Subscription and credit scams
- 👎 Poor translation quality
- ❓ Confusing pricing and access
- 🚫 App doesn't work
- 💸 Charged for non-functional service

**Reported bugs**

- App crashes during processing
- App hangs during translation
- Translated text overlaps existing text
- Translated documents are empty or gibberish
- App keeps asking to renew subscription

**Requested features**

- Ability to redo translations
- Clearer subscription terms
- Customer support feature


### 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 PDF Translate Pro free?

PDF Translate Pro is free to download, with in-app purchases available.

### Is TransFlow free?

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

### Do PDF Translate Pro or TransFlow have ads?

Neither PDF Translate Pro nor TransFlow shows ads.

### Which is updated more often, PDF Translate Pro or TransFlow?

PDF Translate Pro ships an update every 8 days, and TransFlow every 17 months. Most recently, PDF Translate Pro was updated on November 7, 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.*