# X51 vs Hakim Study

The clearest difference is in-app purchases: X51 at none against Hakim Study's 6. X51 also leads on iOS requirement (13.4 vs 15.0). Hakim Study's advantage is update cadence (weekly vs every 5 weeks). On price, ads and device support there is nothing between them.

Both are free to download. Hakim Study sells 6 in-app purchases, starting at $14.99 per month. X51 asks for nothing beyond the download.

X51 ships an update every 5 weeks, Hakim Study weekly. The most recent releases landed on September 30, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | X51 | Hakim Study |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Weekly** |
| Size | 17 MB | 24 MB |
| Requires iOS | **13.4** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Advanced Group For Information Technology - AGI](https://appshunter.io/developer/1465512100) | [Meshari Alzahrani](https://appshunter.io/developer/1895721297) |

## What reviewers say

### X51

[App page](https://appshunter.io/ios/app/x51/id1561211181)

**Features:** macOS Compatibility

**In-app purchases:** none


### Hakim Study

[App page](https://appshunter.io/ios/app/hakim-study/id6764297663)

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Membership | $14.99 | per month |
| Monthly Membership | $19.99 | per month |
| 3-Month Membership | $39.99 | per 3 months |
| 3-Month Membership | $59.99 | per 3 months |
| Yearly Membership | $149.99 | per year |
| Yearly Membership | $199.99 | per year |


## Frequently asked questions

### Is X51 free?

X51 is free to download, with no in-app purchases.

### Is Hakim Study free?

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

### Do X51 or Hakim Study have ads?

Neither X51 nor Hakim Study shows ads.

### Which is updated more often, X51 or Hakim Study?

X51 ships an update every 5 weeks, and Hakim Study weekly. Most recently, X51 was updated on September 30, 2026 and Hakim Study on October 8, 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.*