# GyroMetrics vs Ampes

The clearest difference is update cadence: Ampes at weekly against GyroMetrics's monthly. GyroMetrics's advantage is device support (4 vs 2) and iOS requirement (9.3 vs 12.0). On price, ads and in-app purchases there is nothing between them.

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

GyroMetrics ships an update monthly, Ampes weekly. The most recent releases landed on October 24, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | GyroMetrics | Ampes |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (5 ratings)](https://appshunter.io/ios/app/gyrometrics/id1089325181/reviews)** | — |
| Number of ratings | **5** | — |
| Positive reviews | 58.3% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Weekly** |
| Monetization | Free | — |
| Size | 42 MB | 14 MB |
| Requires iOS | **9.3** | 12.0 |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Francisco Gorina Vanrell](https://appshunter.io/developer/1089325030) | [Lebi Computer Technology Co. Ltd.](https://appshunter.io/developer/1004823999) |

## What reviewers say

### GyroMetrics

[App page](https://appshunter.io/ios/app/gyrometrics/id1089325181)

This app logs detailed performance data from electric unicycles, combining it with GPS and altitude information. Analyze your rides graphically or export data for further review. It also offers diagnostic tools and an Apple Watch module for convenient monitoring.

**Highlights:** Logs speed, current, voltage, and power, Integrates GPS and altitude data, Graphical analysis of ride data, Export data to CSV and GPX formats, Diagnostic connection mode, Simulates unicycle for app testing, Apple Watch module for remote monitoring

**Features:** macOS Compatibility, Siri integration

**In-app purchases:** none


### Ampes

[App page](https://appshunter.io/ios/app/ampes/id6736938324)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is GyroMetrics free?

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

### Is Ampes free?

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

### Do GyroMetrics or Ampes have ads?

Neither GyroMetrics nor Ampes shows ads.

### Which is updated more often, GyroMetrics or Ampes?

GyroMetrics ships an update monthly, and Ampes weekly. Most recently, GyroMetrics was updated on October 24, 2026 and Ampes on October 30, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*