# FitZap vs Kaari Strong

The clearest difference is in-app purchases: Kaari Strong at none against FitZap's 6. FitZap's advantage is update cadence (every 3 days vs weekly). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. FitZap sells 6 in-app purchases, starting at $9.99 per month. Kaari Strong asks for nothing beyond the download.

FitZap ships an update every 3 days, Kaari Strong weekly. The most recent releases landed on October 24, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | FitZap | Kaari Strong |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 3 days** | Weekly |
| Size | 45 MB | 84 MB |
| Requires iOS | **15.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [BRAZAUSTRA PTY LTD](https://appshunter.io/developer/1862050137) | [Hyperhuman](https://appshunter.io/developer/1559570574) |

## What reviewers say

### FitZap

[App page](https://appshunter.io/ios/app/fitzap/id6770533171)

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Client Pro (Monthly) | $9.99 | per month |
| Trainer (Monthly) | $19.99 | per month |
| Trainer Pro (Monthly) | $34.99 | per month |
| Client Pro (Yearly) | $99.99 | per year |
| Trainer (Yearly) | $149.99 | per year |
| Trainer Pro (Yearly) | $249.99 | per year |


### Kaari Strong

[App page](https://appshunter.io/ios/app/kaari-strong/id6773833555)

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

**In-app purchases:** none


## Frequently asked questions

### Is FitZap free?

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

### Is Kaari Strong free?

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

### Do FitZap or Kaari Strong have ads?

Neither FitZap nor Kaari Strong shows ads.

### Which is updated more often, FitZap or Kaari Strong?

FitZap ships an update every 3 days, and Kaari Strong weekly. Most recently, FitZap was updated on October 24, 2026 and Kaari Strong on October 28, 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.*