# Computer Science Calculations vs MOMaster

The clearest difference is in-app purchases: MOMaster at none against Computer Science Calculations's 3. MOMaster also leads on ads (none vs shown) and iOS requirement (12.4 vs 15.0). On price, update cadence and device support there is nothing between them.

Both are free to download. Computer Science Calculations sells 3 in-app purchases, starting at $0.99 per 3 months. MOMaster asks for nothing beyond the download.

Computer Science Calculations ships an update monthly, MOMaster every 2 months. The most recent releases landed on October 11, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | Computer Science Calculations | MOMaster |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Monthly** | Every 2 months |
| Size | 26 MB | 42 MB |
| Requires iOS | 15.0 | **12.4** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Egal Net di Ettore Gallina](https://appshunter.io/developer/993232047) | [Wide Area Mingdao Digital Technology Co.Ltd](https://appshunter.io/developer/1586118512) |

## What reviewers say

### Computer Science Calculations

[App page](https://appshunter.io/ios/app/computer-science-calculations/id1488787780)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PRO Version (3 months) | $0.99 | per 3 months |
| PRO Version (1 year) | $2.49 | per year |
| PRO Version (Lifetime) | $89.99 | one-time |


### MOMaster

[App page](https://appshunter.io/ios/app/momaster/id6740137401)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Computer Science Calculations free?

Computer Science Calculations is free to download, with in-app purchases available.

### Is MOMaster free?

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

### Do Computer Science Calculations or MOMaster have ads?

Computer Science Calculations shows ads; MOMaster does not.

### Which is updated more often, Computer Science Calculations or MOMaster?

Computer Science Calculations ships an update monthly, and MOMaster every 2 months. Most recently, Computer Science Calculations was updated on October 11, 2026 and MOMaster on October 18, 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.*