# IVS Mobile vs Computer Science Calculations

The clearest difference is in-app purchases: IVS Mobile at none against Computer Science Calculations's 3. IVS Mobile also leads on ads (none vs shown) and iOS requirement (7.0 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. IVS Mobile asks for nothing beyond the download.

Both ship on a similar rhythm, roughly monthly. The most recent releases landed on September 10, 2026 and August 26, 2026 respectively.

## The numbers

| Metric | IVS Mobile | Computer Science Calculations |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Monthly | Monthly |
| Size | 39 MB | 26 MB |
| Requires iOS | **7.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [秀明 尼](https://appshunter.io/developer/933671288) | [Egal Net di Ettore Gallina](https://appshunter.io/developer/993232047) |

## What reviewers say

### IVS Mobile

[App page](https://appshunter.io/ios/app/ivs-mobile/id1157404999)

**Features:** macOS Compatibility

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is IVS Mobile free?

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

### Is Computer Science Calculations free?

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

### Do IVS Mobile or Computer Science Calculations have ads?

Computer Science Calculations shows ads; IVS Mobile does not.

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

IVS Mobile ships an update monthly, and Computer Science Calculations monthly. Most recently, IVS Mobile was updated on September 10, 2026 and Computer Science Calculations on August 26, 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.*