# PDF Reader vs Interpreter

The clearest difference is in-app purchases: PDF Reader at none against Interpreter's 3. PDF Reader also leads on ratings volume (3.3K vs 6) and chart position (#30 vs unranked). Interpreter's advantage is ads (none vs shown). On price, rating, update cadence and device support there is nothing between them.

Both are free to download. Interpreter sells 3 in-app purchases, starting at $4.99 per 7 days. PDF Reader asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.8 for PDF Reader against 4.7 for Interpreter. That said, the two scores are not equally well evidenced: PDF Reader has 3.3K ratings behind it against 6, so its average is the more settled of the two.

PDF Reader ships an update weekly, Interpreter every 5 days. The most recent releases landed on October 15, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | PDF Reader | Interpreter |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (3.3K ratings)](https://appshunter.io/ios/app/pdf-reader-easy-editor/id6630367408/reviews)** | [4.7 (6 ratings)](https://appshunter.io/ios/app/interpreter-speech-translator/id6749895648/reviews) |
| Number of ratings | **3.3K** | 6 |
| Positive reviews | 61.3% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Weekly | **Every 5 days** |
| Monetization | **Ad-supported** | Freemium |
| Best chart rank | **#30** | — |
| Size | 69 MB | 7 MB |
| Requires iOS | **13.0** | 14.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 12+ |
| Developer | [SPARK TECH LIMITED](https://appshunter.io/developer/1709259681) | [wenxin hu](https://appshunter.io/developer/1896487832) |

## What reviewers say

### PDF Reader

[App page](https://appshunter.io/ios/app/pdf-reader-easy-editor/id6630367408)

**Currently charting:** #30 Top Free · Utilities (US App Store)

Transform your smartphone into a powerful PDF scanner and editor. Easily convert images and documents to PDF, or convert PDFs to other formats. Protect your files with encryption and share them securely.

**Highlights:** Scan documents, Convert images to PDF, Convert PDF to other formats, Crop image sizes, Share documents, Add watermark, File encryption

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

**In-app purchases:** none

**What reviewers like**

- 👍 Easy to use
- 💡 Useful features
- 🚀 Fast performance

**What reviewers complain about**

- 🐛 Crashes and bugs
- 💰 Excessive ads
- 🔋 Drains battery quickly

**Reported bugs**

- Login issues
- Compatibility problems with newer devices
- Frequent crashes and freezes

**Requested features**

- More customization options
- Improved privacy controls
- Better customer support


### Interpreter

[App page](https://appshunter.io/ios/app/interpreter-speech-translator/id6749895648)

This app provides real-time voice translation for multiple languages, facilitating seamless communication for travel, work, and study. It offers simultaneous interpretation, subtitle generation, and AI-powered accuracy with featured voice outputs.

**Highlights:** Real-time voice translation, Simultaneous interpretation, Subtitle generation, Global language support, AI-powered accuracy, Male and female voice output

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 周会员 | $4.99 | per 7 days |
| 年会员 | $29.99 | per year |
| 永久会员 | $19.99 | one-time |


## Frequently asked questions

### Is PDF Reader free?

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

### Is Interpreter free?

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

### Which has better reviews, PDF Reader or Interpreter?

PDF Reader is rated higher. PDF Reader averages 4.8 out of 5 from 3.3K ratings, while Interpreter averages 4.7 from 6 ratings.

### Do PDF Reader or Interpreter have ads?

PDF Reader shows ads; Interpreter does not.

### Which is updated more often, PDF Reader or Interpreter?

PDF Reader ships an update weekly, and Interpreter every 5 days. Most recently, PDF Reader was updated on October 15, 2026 and Interpreter on October 14, 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.*