# Fast Open User vs diblas

The clearest difference is in-app purchases: Fast Open User at none against diblas's 7. diblas's advantage is update cadence (every 3 weeks vs every 23 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. diblas sells 7 in-app purchases, starting at $50.00 per month. Fast Open User asks for nothing beyond the download.

Fast Open User ships an update every 23 months, diblas every 3 weeks. The most recent releases landed on October 2, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | Fast Open User | diblas |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 23 months | **Every 3 weeks** |
| Size | 18 MB | 67 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [ELFOK TOO](https://appshunter.io/developer/1704972671) | [Aibar Makhat](https://appshunter.io/developer/1320595412) |

## What reviewers say

### Fast Open User

[App page](https://appshunter.io/ios/app/fast-open-user/id6449151912)

**Features:** macOS Compatibility

**In-app purchases:** none


### diblas

[App page](https://appshunter.io/ios/app/diblas/id6746701799)

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

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 500 Monthly Executions | $50.00 | per month |
| 2,000 Monthly Executions | $200.00 | per month |
| 10,000 Monthly Executions | $1000.00 | per month |
| diblas | $0.99 | one-time |
| Test | $0.99 | one-time |
| Guide | $1.99 | one-time |
| Course | $4.99 | one-time |


## Frequently asked questions

### Is Fast Open User free?

Fast Open User is free to download, with no in-app purchases.

### Is diblas free?

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

### Do Fast Open User or diblas have ads?

Neither Fast Open User nor diblas shows ads.

### Which is updated more often, Fast Open User or diblas?

Fast Open User ships an update every 23 months, and diblas every 3 weeks. Most recently, Fast Open User was updated on October 2, 2026 and diblas on October 1, 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.*