# CHI50 vs PROVE IT

The clearest difference is update cadence: PROVE IT at every 4 days against CHI50's every 4 weeks. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

CHI50 ships an update every 4 weeks, PROVE IT every 4 days. The most recent releases landed on October 24, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | CHI50 | PROVE IT |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (55 ratings)](https://appshunter.io/ios/app/chi50/id6479721304/reviews)** | — |
| Number of ratings | **55** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 weeks | **Every 4 days** |
| Monetization | Free | — |
| Size | 38 MB | 34 MB |
| Requires iOS | **16.0** | 16.4 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Byrd Fitness LLC](https://appshunter.io/developer/1737074121) | [Marcos Berrutti](https://appshunter.io/developer/1728253495) |

## What reviewers say

### CHI50

[App page](https://appshunter.io/ios/app/chi50/id6479721304)

Book fitness classes and manage your membership for state-of-the-art Megaformer machine workouts. Engage muscles you've never used before in 50-minute sessions designed to tone, sculpt, shake, and sweat.

**Highlights:** Book fitness classes, Purchase credits, Buy memberships, Manage account, State-of-the-art Megaformer workouts

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

**In-app purchases:** none


### PROVE IT

[App page](https://appshunter.io/ios/app/prove-it-habit-tracker/id6794359831)

**In-app purchases:** none


## Frequently asked questions

### Is CHI50 free?

CHI50 is free to download, with no in-app purchases.

### Is PROVE IT free?

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

### Do CHI50 or PROVE IT have ads?

Neither CHI50 nor PROVE IT shows ads.

### Which is updated more often, CHI50 or PROVE IT?

CHI50 ships an update every 4 weeks, and PROVE IT every 4 days. Most recently, CHI50 was updated on October 24, 2026 and PROVE IT on September 30, 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.*