# CHASKi.fit vs LaChart

The clearest difference is in-app purchases: CHASKi.fit at none against LaChart's 1. LaChart's advantage is update cadence (every 10 days vs every 6 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. LaChart sells 1 in-app purchase, starting at $6.99 per month. CHASKi.fit asks for nothing beyond the download.

CHASKi.fit ships an update every 6 weeks, LaChart every 10 days. The most recent releases landed on October 30, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | CHASKi.fit | LaChart |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 10 days** |
| Size | 28 MB | 95 MB |
| Requires iOS | 16.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [IC Innovations](https://appshunter.io/developer/1645338081) | [Jakub Stadnik](https://appshunter.io/developer/1895908891) |

## What reviewers say

### CHASKi.fit

[App page](https://appshunter.io/ios/app/chaskifit/id1645338079)

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

**In-app purchases:** none


### LaChart

[App page](https://appshunter.io/ios/app/lachart/id6764768876)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| LaChart Athlete | $6.99 | per month |


## Frequently asked questions

### Is CHASKi.fit free?

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

### Is LaChart free?

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

### Do CHASKi.fit or LaChart have ads?

Neither CHASKi.fit nor LaChart shows ads.

### Which is updated more often, CHASKi.fit or LaChart?

CHASKi.fit ships an update every 6 weeks, and LaChart every 10 days. Most recently, CHASKi.fit was updated on October 30, 2026 and LaChart 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.*