# ChamaGo vs PDF Reader PDF Viewer

The clearest difference is in-app purchases: ChamaGo at none against PDF Reader PDF Viewer's 2. PDF Reader PDF Viewer's advantage is iOS requirement (13.0 vs 15.6). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. PDF Reader PDF Viewer sells 2 in-app purchases, starting at $0.99 per month. ChamaGo asks for nothing beyond the download.

ChamaGo ships an update every 10 days, PDF Reader PDF Viewer every 3 weeks. The most recent releases landed on September 30, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | ChamaGo | PDF Reader PDF Viewer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.0 (2 ratings)](https://appshunter.io/ios/app/pdf-reader-pdf-viewer/id6470454445/reviews)** |
| Number of ratings | — | **2** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 10 days** | Every 3 weeks |
| Monetization | — | Free with in-app purchases |
| Size | 63 MB | 13 MB |
| Requires iOS | 15.6 | **13.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [CHAMAGO CIRCLES LIMITED](https://appshunter.io/developer/1611200796) | [Mohit Rudani](https://appshunter.io/developer/1673702969) |

## What reviewers say

### ChamaGo

[App page](https://appshunter.io/ios/app/chamago/id6443850250)

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

**In-app purchases:** none


### PDF Reader PDF Viewer

[App page](https://appshunter.io/ios/app/pdf-reader-pdf-viewer/id6470454445)

Edit, sign, and share PDF documents on your iPhone. Import files from your gallery, convert them to PDF, and manage all your documents in one place. Offers a simple interface for reading, annotating, and creating PDFs.

**Highlights:** Edit and sign PDF documents, Import and convert to PDF, Read, comment, and annotate PDFs, Create new PDF files, Share documents as PDF, Offline PDF viewing

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove ads for 1 Month | $0.99 | per month |
| Remove ads for 1 Year | $3.99 | per year |


## Frequently asked questions

### Is ChamaGo free?

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

### Is PDF Reader PDF Viewer free?

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

### Do ChamaGo or PDF Reader PDF Viewer have ads?

Neither ChamaGo nor PDF Reader PDF Viewer shows ads.

### Which is updated more often, ChamaGo or PDF Reader PDF Viewer?

ChamaGo ships an update every 10 days, and PDF Reader PDF Viewer every 3 weeks. Most recently, ChamaGo was updated on September 30, 2026 and PDF Reader PDF Viewer on September 24, 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.*