# PDF Studio ‎ vs Chakam

The clearest difference is in-app purchases: PDF Studio ‎ at none against Chakam's 2. PDF Studio ‎ also leads on update cadence (every 2 days vs every 4 days) and iOS requirement (13.0 vs 15.0). On price, ads and device support there is nothing between them.

Both are free to download. Chakam sells 2 in-app purchases, starting at $6.99 per 7 days. PDF Studio ‎ asks for nothing beyond the download.

PDF Studio ‎ ships an update every 2 days, Chakam every 4 days. The most recent releases landed on October 3, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | PDF Studio ‎ | Chakam |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 2 days** | Every 4 days |
| Size | 46 MB | 79 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Hrishi Suthar](https://appshunter.io/developer/1660005858) | [Ebube Maduike](https://appshunter.io/developer/1896206453) |

## What reviewers say

### PDF Studio ‎

[App page](https://appshunter.io/ios/app/pdf-studio/id6757748573)

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

**In-app purchases:** none


### Chakam

[App page](https://appshunter.io/ios/app/chakam-relationship-analyzer/id6792742396)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| chakam weekly | $6.99 | per 7 days |
| chakam yearly | $39.99 | per year |


## Frequently asked questions

### Is PDF Studio ‎ free?

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

### Is Chakam free?

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

### Do PDF Studio ‎ or Chakam have ads?

Neither PDF Studio ‎ nor Chakam shows ads.

### Which is updated more often, PDF Studio ‎ or Chakam?

PDF Studio ‎ ships an update every 2 days, and Chakam every 4 days. Most recently, PDF Studio ‎ was updated on October 3, 2026 and Chakam on October 11, 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.*