# Watt vs SCH Reformer

The clearest difference is update cadence: Watt at every 2 months against SCH Reformer's every 4 months. 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.

Watt ships an update every 2 months, SCH Reformer every 4 months. Both last shipped on October 28, 2026.

## The numbers

| Metric | Watt | SCH Reformer |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 4 months |
| Size | 60 MB | 62 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Watt-Training](https://appshunter.io/developer/1835357246) | [Sportcentrum Hoorn B.V.](https://appshunter.io/developer/1588928687) |

## What reviewers say

### Watt

[App page](https://appshunter.io/ios/app/watt-training/id6751487775)

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

**In-app purchases:** none


### SCH Reformer

[App page](https://appshunter.io/ios/app/sch-reformer/id6759452981)

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

**In-app purchases:** none


## Frequently asked questions

### Is Watt free?

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

### Is SCH Reformer free?

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

### Do Watt or SCH Reformer have ads?

Neither Watt nor SCH Reformer shows ads.

### Which is updated more often, Watt or SCH Reformer?

Watt ships an update every 2 months, and SCH Reformer every 4 months. Most recently, Watt was updated on October 28, 2026 and SCH Reformer on October 28, 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.*