# Oath + Iron vs Puzzle Pilates

The clearest difference is update cadence: Puzzle Pilates at fortnightly against Oath + Iron's every 8 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.

Oath + Iron ships an update every 8 months, Puzzle Pilates fortnightly. The most recent releases landed on November 8, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Oath + Iron | Puzzle Pilates |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 8 months | **Fortnightly** |
| Size | 33 MB | 190 MB |
| Requires iOS | **15.6** | 16.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Oath + Iron Limited](https://appshunter.io/developer/1811786924) | [Evdimou Limited](https://appshunter.io/developer/6771795254) |

## What reviewers say

### Oath + Iron

[App page](https://appshunter.io/ios/app/oath-plus-iron/id6745328230)

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

**In-app purchases:** none


### Puzzle Pilates

[App page](https://appshunter.io/ios/app/puzzle-pilates/id6771795252)

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

**In-app purchases:** none


## Frequently asked questions

### Is Oath + Iron free?

Oath + Iron is free to download, with no in-app purchases.

### Is Puzzle Pilates free?

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

### Do Oath + Iron or Puzzle Pilates have ads?

Neither Oath + Iron nor Puzzle Pilates shows ads.

### Which is updated more often, Oath + Iron or Puzzle Pilates?

Oath + Iron ships an update every 8 months, and Puzzle Pilates fortnightly. Most recently, Oath + Iron was updated on November 8, 2026 and Puzzle Pilates on October 31, 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.*