# ErgoGym vs Onyx Coach

The clearest difference is in-app purchases: ErgoGym at none against Onyx Coach's 6. ErgoGym also leads on iOS requirement (14.0 vs 16.4). Onyx Coach's advantage is update cadence (every 9 days vs every 3 weeks). On price, ads and device support there is nothing between them.

Both are free to download. Onyx Coach sells 6 in-app purchases, starting at $9.99 per month. ErgoGym asks for nothing beyond the download.

ErgoGym ships an update every 3 weeks, Onyx Coach every 9 days. Both last shipped on November 4, 2026.

## The numbers

| Metric | ErgoGym | Onyx Coach |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/onyx-coach-workout-tracker/id6737855506/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 9 days** |
| Monetization | — | Freemium |
| Size | 110 MB | 153 MB |
| Requires iOS | **14.0** | 16.4 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [OnGym s.r.o.](https://appshunter.io/developer/1665717678) | [Coachito LLC](https://appshunter.io/developer/1873867082) |

## What reviewers say

### ErgoGym

[App page](https://appshunter.io/ios/app/ergogym-bratislava/id6514317859)

**Features:** macOS Compatibility

**In-app purchases:** none


### Onyx Coach

[App page](https://appshunter.io/ios/app/onyx-coach-workout-tracker/id6737855506)

This app provides structured workout plans and a fast lifting tracker to help users achieve progressive overload and visualize strength gains. It offers pre-built routines and a custom workout builder, acting as a digital replacement for paper logs.

**Highlights:** Structured workout program library, Fast and flexible lifting tracker, Custom workout builder, Progressive overload visualization, Rest timer and plate calculator, Gym set tracking

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Onyx Coach Premium (Monthly) | $9.99 | per month |
| Onyx Coach Premium (Monthly) | $9.99 | per month |
| Premium Monthly | $9.99 | per month |
| Onyx Coach Premium (Six months) | $64.99 | per 6 months |
| Onyx Coach Premium (Yearly) | $79.00 | per year |
| Premium Yearly | $79.00 | per year |


## Frequently asked questions

### Is ErgoGym free?

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

### Is Onyx Coach free?

Onyx Coach is free to download, with in-app purchases available.

### Do ErgoGym or Onyx Coach have ads?

Neither ErgoGym nor Onyx Coach shows ads.

### Which is updated more often, ErgoGym or Onyx Coach?

ErgoGym ships an update every 3 weeks, and Onyx Coach every 9 days. Most recently, ErgoGym was updated on November 4, 2026 and Onyx Coach on November 4, 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.*