# Prime Shape App vs Wattworks

The clearest difference is update cadence: Wattworks at every 2 weeks against Prime Shape App's every 3 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.

Prime Shape App ships an update every 3 months, Wattworks every 2 weeks. The most recent releases landed on October 11, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | Prime Shape App | Wattworks |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 weeks** |
| Size | 213 MB | 121 MB |
| Requires iOS | **15.0** | 16.4 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 12+ | 12+ |
| Developer | [Prime Shape](https://appshunter.io/developer/1713311666) | [Sutra Fitness, Inc.](https://appshunter.io/developer/914371834) |

## What reviewers say

### Prime Shape App

[App page](https://appshunter.io/ios/app/prime-shape-app/id6470272891)

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

**In-app purchases:** none


### Wattworks

[App page](https://appshunter.io/ios/app/wattworks/id6753774395)

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

**In-app purchases:** none


## Frequently asked questions

### Is Prime Shape App free?

Prime Shape App is free to download, with no in-app purchases.

### Is Wattworks free?

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

### Do Prime Shape App or Wattworks have ads?

Neither Prime Shape App nor Wattworks shows ads.

### Which is updated more often, Prime Shape App or Wattworks?

Prime Shape App ships an update every 3 months, and Wattworks every 2 weeks. Most recently, Prime Shape App was updated on October 11, 2026 and Wattworks on October 17, 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.*