# Power Zone for Peloton Classes vs Modii

The clearest difference is in-app purchases: Modii at none against Power Zone for Peloton Classes's 4. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Power Zone for Peloton Classes sells 4 in-app purchases, starting at $0.99 per month. Modii asks for nothing beyond the download.

Power Zone for Peloton Classes ships an update every 3 weeks, Modii every 10 days. The most recent releases landed on October 5, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Power Zone for Peloton Classes | Modii |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (40 ratings)](https://appshunter.io/ios/app/power-zone-for-peloton-classes/id6473463763/reviews)** | — |
| Number of ratings | **40** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 10 days** |
| Monetization | Free with in-app purchases | — |
| Size | 41 MB | 3 MB |
| Requires iOS | 17.0 | **16.0** |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Appfish, LLC](https://appshunter.io/developer/1554410379) | [晓伟 庄](https://appshunter.io/developer/1479798494) |

## What reviewers say

### Power Zone for Peloton Classes

[App page](https://appshunter.io/ios/app/power-zone-for-peloton-classes/id6473463763)

This app helps you stay in the correct heart rate zones during spin classes by matching class zone timings. It uses your phone's camera and image recognition to sync with your workout, even without audio cues. You can also create and save custom classes.

**Highlights:** Zone timing synchronization, Phone camera and image recognition, Custom class creation, Save favorite classes, Instructor audio independent

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Power Zone Pro | $0.99 | per month |
| Power Zone Pro | $3.99 | per month |
| Power Zone Pro | $4.99 | per 6 months |
| Power Zone Pro | $17.99 | per 6 months |


### Modii

[App page](https://appshunter.io/ios/app/modii/id6661028983)

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

**In-app purchases:** none


## Frequently asked questions

### Is Power Zone for Peloton Classes free?

Power Zone for Peloton Classes is free to download, with in-app purchases available.

### Is Modii free?

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

### Do Power Zone for Peloton Classes or Modii have ads?

Neither Power Zone for Peloton Classes nor Modii shows ads.

### Which is updated more often, Power Zone for Peloton Classes or Modii?

Power Zone for Peloton Classes ships an update every 3 weeks, and Modii every 10 days. Most recently, Power Zone for Peloton Classes was updated on October 5, 2026 and Modii on October 9, 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.*