# Chat Pen vs All Document Reader Pro

The clearest difference is review sentiment: All Document Reader Pro at 100% against Chat Pen's 20%. All Document Reader Pro also leads on rating (4.5 vs 2.6) and in-app purchases (none vs 2). Chat Pen's advantage is ratings volume (124 vs 14). On price, ads and device support there is nothing between them.

Both are free to download. Chat Pen sells 2 in-app purchases, starting at $9.99 per month. All Document Reader Pro asks for nothing beyond the download.

All Document Reader Pro holds the better App Store score, 4.5 against 2.6. That said, the two scores are not equally well evidenced: Chat Pen has 124 ratings behind it against 14, so its average is the more settled of the two. Written reviews point the same way: 20% of Chat Pen's written reviews are positive against 100% of All Document Reader Pro's.

Chat Pen ships an update every 3 weeks, All Document Reader Pro every 4 days. The most recent releases landed on November 4, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Chat Pen | All Document Reader Pro |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.6 (124 ratings)](https://appshunter.io/ios/app/chat-pen-ai-chatbot-and-search/id6743765440/reviews) | **[4.5 (14 ratings)](https://appshunter.io/ios/app/all-document-reader-pro/id6751816597/reviews)** |
| Number of ratings | **124** | 14 |
| Positive reviews | 19.5% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 4 days** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 63 MB | 8 MB |
| Requires iOS | 17.0 | **15.6** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Ripon Soum](https://appshunter.io/developer/1781016398) | [BRINDER SINGH](https://appshunter.io/developer/998362921) |

## What reviewers say

### Chat Pen

[App page](https://appshunter.io/ios/app/chat-pen-ai-chatbot-and-search/id6743765440)

Get instant, accurate AI-powered answers and insights. This app allows you to search the web in real-time, chat with documents, and analyze images using advanced AI models. Its clean interface is designed for efficient research, learning, and problem-solving.

**Highlights:** Access advanced AI models, Real-time web search, Chat with PDFs and files, Image analysis with AI vision, User-friendly interface

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| premium monthly | $9.99 | per month |
| premium yearly | $34.99 | per year |

**What reviewers like**

- 🤗 Helpful developer support
- ⭐️ Enjoyable user experience

**What reviewers complain about**

- 🚫 Deceptive advertising
- 💰 Overpriced or hidden costs
- 🐌 Slow and ineffective app

**Reported bugs**

- Expired free trial
- Unavailable free version

**Requested features**

- Free lifetime access
- Improved transparency on pricing and features


### All Document Reader Pro

[App page](https://appshunter.io/ios/app/all-document-reader-pro/id6751816597)

This app is a comprehensive file opener, cleaner, organizer, and converter for mobile devices. It allows users to view, manage, and convert various document types, archives, and media files securely and offline. It also includes tools for file cleaning and optimization to free up storage space.

**Highlights:** Open multiple document types instantly, Convert files between formats (Image to PDF, Office to PDF), Advanced PDF tools (merge, split, compress, lock), Archive tools (create ZIP, extract ZIP/RAR), Media tools (audio/video player, Video to MP3), File cleaning (remove duplicates, screenshots, large files), Offline and private processing

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Chat Pen free?

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

### Is All Document Reader Pro free?

All Document Reader Pro is free to download, with no in-app purchases.

### Which has better reviews, Chat Pen or All Document Reader Pro?

All Document Reader Pro is rated higher. Chat Pen averages 2.6 out of 5 from 124 ratings, while All Document Reader Pro averages 4.5 from 14 ratings.

### Do Chat Pen or All Document Reader Pro have ads?

Neither Chat Pen nor All Document Reader Pro shows ads.

### Which is updated more often, Chat Pen or All Document Reader Pro?

Chat Pen ships an update every 3 weeks, and All Document Reader Pro every 4 days. Most recently, Chat Pen was updated on November 4, 2026 and All Document Reader Pro on October 30, 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.*