# MASTERBLOCK vs PDF Translate Pro

The clearest difference is in-app purchases: MASTERBLOCK at none against PDF Translate Pro's 16. PDF Translate Pro's advantage is update cadence (every 8 days vs every 11 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. PDF Translate Pro sells 16 in-app purchases, starting at $2.99 per 7 days. MASTERBLOCK asks for nothing beyond the download.

MASTERBLOCK ships an update every 11 months, PDF Translate Pro every 8 days. The most recent releases landed on September 5, 2026 and September 8, 2026 respectively.

## The numbers

| Metric | MASTERBLOCK | PDF Translate Pro |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.1 (281 ratings)](https://appshunter.io/ios/app/pdf-translate-pro/id1609232374/reviews)** |
| Number of ratings | — | **281** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 11 months | **Every 8 days** |
| Monetization | — | Free with in-app purchases |
| Size | 28 MB | 152 MB |
| Requires iOS | 15.1 | **15.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Cryptolex SA](https://appshunter.io/developer/502581123) | [Aldoo Ltd](https://appshunter.io/developer/1533822725) |

## What reviewers say

### MASTERBLOCK

[App page](https://appshunter.io/ios/app/masterblock/id1446960356)

**Features:** macOS Compatibility

**In-app purchases:** none


### 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 (16)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Premium | $2.99 | per 7 days |
| Weekly Premium | $4.99 | per 7 days |
| Monthly Premium | $4.99 | per month |
| 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 |
| Annual Premium | $69.99 | per year |
| 3 credits | $0.99 | one-time |
| 10 credits | $2.99 | one-time |
| 20 credits | $3.99 | one-time |
| 50 credits | $9.99 | one-time |
| 100 credits | $19.99 | one-time |
| 200 credits | $39.99 | 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


## Frequently asked questions

### Is MASTERBLOCK free?

MASTERBLOCK is free to download, with no in-app purchases.

### Is PDF Translate Pro free?

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

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

Neither MASTERBLOCK nor PDF Translate Pro shows ads.

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

MASTERBLOCK ships an update every 11 months, and PDF Translate Pro every 8 days. Most recently, MASTERBLOCK was updated on September 5, 2026 and PDF Translate Pro on September 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.*