# Computer Science Calculations vs Planned Experiment

The clearest difference is ads: Planned Experiment at none against Computer Science Calculations's shown. Planned Experiment also leads on update cadence (every 4 days vs monthly). Computer Science Calculations's advantage is iOS requirement (15.0 vs 17.0). On price, in-app purchases 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 and Planned Experiment sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Computer Science Calculations ships an update monthly, Planned Experiment every 4 days. The most recent releases landed on October 11, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Computer Science Calculations | Planned Experiment |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Monthly | **Every 4 days** |
| Size | 26 MB | 7 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [Egal Net di Ettore Gallina](https://appshunter.io/developer/993232047) | [Ilya Obraztsov](https://appshunter.io/developer/1499085877) |

## 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 |


### Planned Experiment

[App page](https://appshunter.io/ios/app/planned-experiment/id6804523091)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full version | $17.99 | one-time |


## Frequently asked questions

### Is Computer Science Calculations free?

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

### Is Planned Experiment free?

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

### Do Computer Science Calculations or Planned Experiment have ads?

Computer Science Calculations shows ads; Planned Experiment does not.

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

Computer Science Calculations ships an update monthly, and Planned Experiment every 4 days. Most recently, Computer Science Calculations was updated on October 11, 2026 and Planned Experiment on October 7, 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.*