# FitKit Pro vs LaChart

The clearest difference is in-app purchases: LaChart at none against FitKit Pro's 3. LaChart also leads on iOS requirement (15.0 vs 26.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. FitKit Pro sells 3 in-app purchases, starting at $3.99 per month. LaChart asks for nothing beyond the download.

FitKit Pro ships an update every 10 days, LaChart every 11 days. Both last shipped on September 9, 2026.

## The numbers

| Metric | FitKit Pro | LaChart |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (33 ratings)](https://appshunter.io/ios/app/fitkit-pro/id6443996691/reviews)** | — |
| Number of ratings | **33** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 10 days** | Every 11 days |
| Monetization | Freemium | — |
| Size | 65 MB | 223 MB |
| Requires iOS | 26.0 | **15.0** |
| Devices | iPhone, iPad, Apple Watch | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Schumacher Physical Therapy and Performance](https://appshunter.io/developer/1711506500) | [Jakub Stadnik](https://appshunter.io/developer/1895908891) |

## What reviewers say

### FitKit Pro

[App page](https://appshunter.io/ios/app/fitkit-pro/id6443996691)

This app provides essential timer tools for functional fitness training. It includes features for cadence, resistance exercises, HIIT, EMOM, and 1-rep max calculation. Unlock full functionality with a subscription.

**Highlights:** Metronome for cadence tuning, Tempo timer for resistance exercises, Tabata timer for HIIT, EMOM timer for interval training, 1RM calculator, Subscription for full access

**Features:** Apple Watch app, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Base Utilities (1-month) | $3.99 | per month |
| Base Utilities (1-year) | $19.99 | per year |
| Lifetime | $49.99 | one-time |


### LaChart

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

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

**In-app purchases:** none


## Frequently asked questions

### Is FitKit Pro free?

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

### Is LaChart free?

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

### Do FitKit Pro or LaChart have ads?

Neither FitKit Pro nor LaChart shows ads.

### Which is updated more often, FitKit Pro or LaChart?

FitKit Pro ships an update every 10 days, and LaChart every 11 days. Most recently, FitKit Pro was updated on September 9, 2026 and LaChart on September 9, 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.*