# PIRL vs xon training

The clearest difference is iOS requirement: xon training at 15.0 against PIRL's 17.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

PIRL ships an update every 8 days, xon training every 4 days. The most recent releases landed on September 8, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | PIRL | xon training |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 8 days | **Every 4 days** |
| Size | 61 MB | 48 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone, Apple Watch | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [POONGIN](https://appshunter.io/developer/1761960283) | [seonmyoung kim](https://appshunter.io/developer/1658472170) |

## What reviewers say

### PIRL

[App page](https://appshunter.io/ios/app/pirl-running-app/id6755592113)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


### xon training

[App page](https://appshunter.io/ios/app/xon-training/id6760121153)

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

**In-app purchases:** none


## Frequently asked questions

### Is PIRL free?

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

### Is xon training free?

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

### Do PIRL or xon training have ads?

Neither PIRL nor xon training shows ads.

### Which is updated more often, PIRL or xon training?

PIRL ships an update every 8 days, and xon training every 4 days. Most recently, PIRL was updated on September 8, 2026 and xon training on September 24, 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.*