# Auto Translator vs PDF Reader

The clearest difference is price: Auto Translator at Free against PDF Reader's $3.99. Auto Translator also leads on in-app purchases (none vs 3) and iOS requirement (9.0 vs 17.6). On update cadence, ads and device support there is nothing between them.

Auto Translator is free to download; PDF Reader costs $3.99 up front. PDF Reader sells 3 in-app purchases, starting at $1.99 per month. Auto Translator asks for nothing beyond the download.

Auto Translator ships an update every 3 months, PDF Reader every 4 months. The most recent releases landed on September 30, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | Auto Translator | PDF Reader |
| --- | --- | --- |
| Price | **Free** | $3.99 |
| Rating | — | **[1.0 (1 ratings)](https://appshunter.io/ios/app/pdf-reader-for-pdf-reading/id6756018034/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 4 months |
| Monetization | — | Freemium |
| Size | 19 MB | 9 MB |
| Requires iOS | **9.0** | 17.6 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [言伟 曾](https://appshunter.io/developer/1013547284) | [乐祥 胡](https://appshunter.io/developer/1572365721) |

## What reviewers say

### Auto Translator

[App page](https://appshunter.io/ios/app/auto-translator/id1525473942)

**Features:** macOS Compatibility

**In-app purchases:** none


### PDF Reader

[App page](https://appshunter.io/ios/app/pdf-reader-for-pdf-reading/id6756018034)

This app offers a streamlined way to read, annotate, and organize PDF documents on iOS devices. It features smooth rendering, smart annotation tools, and cloud synchronization for easy access across devices. Enjoy a distraction-free reading experience with features like night mode and reading progress memory.

**Highlights:** Smooth PDF rendering, Highlight text and add notes, Organize documents with categories, iCloud and cloud storage import, Reading progress memory, Night mode

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PDFReader Premium - monthly | $1.99 | per month |
| PDFReader Premium - yearly | $14.99 | per year |
| PDFReader Premium - lifetime | $69.99 | one-time |


## Frequently asked questions

### Is Auto Translator free?

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

### Is PDF Reader free?

PDF Reader costs $3.99, and also offers in-app purchases.

### Do Auto Translator or PDF Reader have ads?

Neither Auto Translator nor PDF Reader shows ads.

### Which is updated more often, Auto Translator or PDF Reader?

Auto Translator ships an update every 3 months, and PDF Reader every 4 months. Most recently, Auto Translator was updated on September 30, 2026 and PDF Reader on October 12, 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.*