# StudyTime Planner vs Probability for Computing

The clearest difference is in-app purchases: Probability for Computing at none against StudyTime Planner's 2. Probability for Computing also leads on iOS requirement (15.1 vs 17.6). On price, ads and device support there is nothing between them.

Both are free to download. StudyTime Planner sells 2 in-app purchases, starting at $1.99 per month. Probability for Computing asks for nothing beyond the download.

## The numbers

| Metric | StudyTime Planner | Probability for Computing |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Weekly | — |
| Size | 16 MB | 38 MB |
| Requires iOS | 17.6 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [ALILOU DIgital LTD](https://appshunter.io/developer/1877764619) | [AFTW LLC](https://appshunter.io/developer/1886356149) |

## What reviewers say

### StudyTime Planner

[App page](https://appshunter.io/ios/app/studytime-planner/id6760248080)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| StudyTime Premium | $1.99 | per month |
| StudyTime Premium | $19.99 | per year |


### Probability for Computing

[App page](https://appshunter.io/ios/app/probability-for-computing/id6774024034)

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

**In-app purchases:** none


## Frequently asked questions

### Is StudyTime Planner free?

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

### Is Probability for Computing free?

Probability for Computing is free to download, with no in-app purchases.

### Do StudyTime Planner or Probability for Computing have ads?

Neither StudyTime Planner nor Probability for Computing shows ads.

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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.*