# Eigen vs Peak

The clearest difference is update cadence: Eigen at every 4 days against Peak's fortnightly. Eigen also leads on iOS requirement (13.0 vs 15.1). 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.

Eigen ships an update every 4 days, Peak fortnightly. The most recent releases landed on October 6, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Eigen | Peak |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 days** | Fortnightly |
| Monetization | Free | — |
| Size | 84 MB | 41 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | **iPhone, iPod, Apple Watch** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Connor Holowachuk](https://appshunter.io/developer/1498333581) | [Hugo Labbe](https://appshunter.io/developer/1845148224) |

## What reviewers say

### Eigen

[App page](https://appshunter.io/ios/app/eigen/id6479621358)

This app acts as your personal trainer, offering real-time feedback on your workouts using your Apple Watch. It tracks your performance, analyzes your form to prevent injuries, and helps you set and achieve fitness goals.

**Highlights:** Real-time workout feedback, Form accuracy analysis, Injury risk alerts, Set fitness goals, Track workout history, Design workout programs, Connect with coaching partners

**Features:** macOS Compatibility

**In-app purchases:** none


### Peak

[App page](https://appshunter.io/ios/app/peak-workout-tracker/id6753813377)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Eigen free?

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

### Is Peak free?

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

### Do Eigen or Peak have ads?

Neither Eigen nor Peak shows ads.

### Which is updated more often, Eigen or Peak?

Eigen ships an update every 4 days, and Peak fortnightly. Most recently, Eigen was updated on October 6, 2026 and Peak on October 7, 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.*