# FiSi vs Computer Science & Engineering

The clearest difference is in-app purchases: Computer Science & Engineering at none against FiSi's 3. Computer Science & Engineering also leads on update cadence (daily vs weekly) and iOS requirement (15.0 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. FiSi sells 3 in-app purchases, starting at $4.99 per 7 days. Computer Science & Engineering asks for nothing beyond the download.

FiSi ships an update weekly, Computer Science & Engineering daily. Both last shipped on October 8, 2026.

## The numbers

| Metric | FiSi | Computer Science & Engineering |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Weekly | **Daily** |
| Size | 5 MB | 53 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 9+ |
| Developer | [Igor Wilhelm](https://appshunter.io/developer/1894111768) | [Shekh Ehsanur Rahman](https://appshunter.io/developer/1892682672) |

## What reviewers say

### FiSi

[App page](https://appshunter.io/ios/app/fisi-training-it-practice/id6765818122)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium - Weekly | $4.99 | per 7 days |
| Premium - Monthly | $9.99 | per month |
| Premium - Lifetime | $29.99 | one-time |


### Computer Science & Engineering

[App page](https://appshunter.io/ios/app/computer-science-and-engineering/id6790156339)

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

**In-app purchases:** none


## Frequently asked questions

### Is FiSi free?

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

### Is Computer Science & Engineering free?

Computer Science & Engineering is free to download, with no in-app purchases.

### Do FiSi or Computer Science & Engineering have ads?

Neither FiSi nor Computer Science & Engineering shows ads.

### Which is updated more often, FiSi or Computer Science & Engineering?

FiSi ships an update weekly, and Computer Science & Engineering daily. Most recently, FiSi was updated on October 8, 2026 and Computer Science & Engineering 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.*