# Starwise vs Probability for Computing

The clearest difference is in-app purchases: Probability for Computing at none against Starwise's 2. Probability for Computing also leads on ads (none vs shown) and device support (3 vs 1). On price there is nothing between them.

Both are free to download. Starwise sells 2 in-app purchases, starting at $6.99 per 7 days. Probability for Computing asks for nothing beyond the download.

## The numbers

| Metric | Starwise | Probability for Computing |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 6 days | — |
| Size | 47 MB | 38 MB |
| Requires iOS | 18.0 | **15.1** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Salvaterra Tech](https://appshunter.io/developer/1864092163) | [AFTW LLC](https://appshunter.io/developer/1886356149) |

## What reviewers say

### Starwise

[App page](https://appshunter.io/ios/app/starwise-interview-coach/id6756988741)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Starwise Premium – Weekly | $6.99 | per 7 days |
| Starwise Premium – Yearly | $39.99 | 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 Starwise free?

Starwise 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 Starwise or Probability for Computing have ads?

Starwise shows ads; Probability for Computing does not.

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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.*