# Ergmatic vs Shiftrs

The clearest difference is in-app purchases: Shiftrs at none against Ergmatic's 2. Shiftrs also leads on iOS requirement (14.0 vs 26.0). Ergmatic's advantage is update cadence (weekly vs every 3 weeks). On price, ads and device support there is nothing between them.

Both are free to download. Ergmatic sells 2 in-app purchases, starting at $5.99 per month. Shiftrs asks for nothing beyond the download.

Ergmatic ships an update weekly, Shiftrs every 3 weeks. The most recent releases landed on September 27, 2026 and September 5, 2026 respectively.

## The numbers

| Metric | Ergmatic | Shiftrs |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (4 ratings)](https://appshunter.io/ios/app/ergmatic-indoor-bike-trainer/id6758418959/reviews)** | — |
| Number of ratings | **4** | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Weekly** | Every 3 weeks |
| Monetization | Freemium | — |
| Size | 33 MB | 8 MB |
| Requires iOS | 26.0 | **14.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Ian MacFarlane](https://appshunter.io/developer/1384336007) | [Jacob Hayes](https://appshunter.io/developer/1874077057) |

## What reviewers say

### Ergmatic

[App page](https://appshunter.io/ios/app/ergmatic-indoor-bike-trainer/id6758418959)

This app transforms your smart bike trainer into a precision workout tool. It offers structured cycling workouts with real-time adjustments, metric tracking, and FTP testing. Enjoy a clutter-free experience focused on performance, with initial workouts free and a subscription for continued access.

**Highlights:** Precision ERG control with real-time power adjustment, Import .ERG and .FIT workout files, Built-in workout library and intensity adjustment, Intervals.icu integration for workout syncing, Live power, heart rate, and cadence display, Built-in FTP testing and calculation, Live Activity and VoiceOver support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Ergmatic Pro (Monthly) | $5.99 | per month |
| Ergmatic Pro (Annual) | $39.99 | per year |


### Shiftrs

[App page](https://appshunter.io/ios/app/shiftrs/id6758635521)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Ergmatic free?

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

### Is Shiftrs free?

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

### Do Ergmatic or Shiftrs have ads?

Neither Ergmatic nor Shiftrs shows ads.

### Which is updated more often, Ergmatic or Shiftrs?

Ergmatic ships an update weekly, and Shiftrs every 3 weeks. Most recently, Ergmatic was updated on September 27, 2026 and Shiftrs on September 5, 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.*