# Babel Reader vs PDF翻译

The clearest difference is in-app purchases: Babel Reader at none against PDF翻译's 3. PDF翻译's advantage is ads (none vs shown). On price, update cadence, device support and iOS requirement there is nothing between them.

Both are free to download. PDF翻译 sells 3 in-app purchases, starting at $7.99 per month. Babel Reader asks for nothing beyond the download.

Babel Reader ships an update every 4 days, PDF翻译 every 3 days. The most recent releases landed on September 19, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | Babel Reader | PDF翻译 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (23 ratings)](https://appshunter.io/ios/app/babel-reader-translate-pdf/id1612499370/reviews)** | — |
| Number of ratings | **23** | — |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 4 days | **Every 3 days** |
| Monetization | Ad-supported | — |
| Size | 16 MB | 11 MB |
| Requires iOS | **14.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Seedvector LLC](https://appshunter.io/developer/1580599801) | [Tianjin Junray Technology Co., Ltd.](https://appshunter.io/developer/1792139982) |

## What reviewers say

### Babel Reader

[App page](https://appshunter.io/ios/app/babel-reader-translate-pdf/id1612499370)

Read foreign language PDFs with on-the-fly page translation. This tool supports text-based PDFs and allows seamless comprehension of documents in different languages while you read.

**Highlights:** Translate current page while reading, Supports text-based PDFs, Foreign language document comprehension, Seamless reading experience

**Features:** macOS Compatibility

**In-app purchases:** none


### PDF翻译

[App page](https://appshunter.io/ios/app/pdf/id6755518596)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 连续包月 | $7.99 | per month |
| 单次翻译 | $0.99 | one-time |
| 永久会员 | $39.99 | one-time |


## Frequently asked questions

### Is Babel Reader free?

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

### Is PDF翻译 free?

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

### Do Babel Reader or PDF翻译 have ads?

Babel Reader shows ads; PDF翻译 does not.

### Which is updated more often, Babel Reader or PDF翻译?

Babel Reader ships an update every 4 days, and PDF翻译 every 3 days. Most recently, Babel Reader was updated on September 19, 2026 and PDF翻译 on October 3, 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.*