# PSTC vs Kaari

The clearest difference is in-app purchases: PSTC at none against Kaari's 2. PSTC also leads on device support (3 vs 1) and iOS requirement (14 vs 17.6). Kaari's advantage is ads (none vs shown). On price there is nothing between them.

Both are free to download. Kaari sells 2 in-app purchases, starting at $3.99 per month. PSTC asks for nothing beyond the download.

## The numbers

| Metric | PSTC | Kaari |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Weekly | — |
| Size | 32 MB | 12 MB |
| Requires iOS | **14** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [BEST SOLUTION LLC](https://appshunter.io/developer/1006385883) | [Pirkka Raisanen](https://appshunter.io/developer/1840196062) |

## What reviewers say

### PSTC

[App page](https://appshunter.io/ios/app/pstc-project-task-check/id6751347435)

**In-app purchases:** none


### Kaari

[App page](https://appshunter.io/ios/app/kaari/id6752616724)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Kaari Pro (Monthly) | $3.99 | per month |
| Kaari Pro (Annual) | $44.99 | per year |


## Frequently asked questions

### Is PSTC free?

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

### Is Kaari free?

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

### Do PSTC or Kaari have ads?

PSTC shows ads; Kaari 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.*