# Keto Train vs Echo Performance Health

The clearest difference is update cadence: Keto Train at every 2 weeks against Echo Performance Health's every 5 months. 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.

Keto Train ships an update every 2 weeks, Echo Performance Health every 5 months. The most recent releases landed on October 27, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Keto Train | Echo Performance Health |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 5 months |
| Size | 42 MB | 49 MB |
| Requires iOS | 15.1 | **15.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 12+ | 12+ |
| Developer | [Peter McGowan](https://appshunter.io/developer/1673239199) | [The Lab Rehab and Chiropractic LLC](https://appshunter.io/developer/1856234445) |

## What reviewers say

### Keto Train

[App page](https://appshunter.io/ios/app/keto-train/id6463052792)

**Features:** macOS Compatibility

**In-app purchases:** none


### Echo Performance Health

[App page](https://appshunter.io/ios/app/echo-performance-health/id6755774749)

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

**In-app purchases:** none


## Frequently asked questions

### Is Keto Train free?

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

### Is Echo Performance Health free?

Echo Performance Health is free to download, with no in-app purchases.

### Do Keto Train or Echo Performance Health have ads?

Neither Keto Train nor Echo Performance Health shows ads.

### Which is updated more often, Keto Train or Echo Performance Health?

Keto Train ships an update every 2 weeks, and Echo Performance Health every 5 months. Most recently, Keto Train was updated on October 27, 2026 and Echo Performance Health on October 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.*