# Caloryx vs Schiriuhr

The clearest difference is in-app purchases: Caloryx at none against Schiriuhr's 1. Schiriuhr's advantage is update cadence (every 4 weeks vs every 3 months) and iOS requirement (17.0 vs 27.0). On price, ads and device support there is nothing between them.

Both are free to download. Schiriuhr sells 1 one-off in-app purchase. Caloryx asks for nothing beyond the download.

Caloryx ships an update every 3 months, Schiriuhr every 4 weeks. The most recent releases landed on September 30, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | Caloryx | Schiriuhr |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 4 weeks** |
| Size | 2 MB | 19 MB |
| Requires iOS | 27.0 | **17.0** |
| Devices | iPhone | **iPhone, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Calvin Fraites](https://appshunter.io/developer/1802751239) | [Markus Bucher](https://appshunter.io/developer/1865517558) |

## What reviewers say

### Caloryx

[App page](https://appshunter.io/ios/app/caloryx/id6757248997)

**Features:** Vision Pro support

**In-app purchases:** none


### Schiriuhr

[App page](https://appshunter.io/ios/app/schiriuhr-referee-timer/id6757300506)

**Features:** Family Sharing, Apple Watch app

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Schiriuhr Premium | $1.99 | one-time |


## Frequently asked questions

### Is Caloryx free?

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

### Is Schiriuhr free?

Schiriuhr is free to download, with in-app purchases available.

### Do Caloryx or Schiriuhr have ads?

Neither Caloryx nor Schiriuhr shows ads.

### Which is updated more often, Caloryx or Schiriuhr?

Caloryx ships an update every 3 months, and Schiriuhr every 4 weeks. Most recently, Caloryx was updated on September 30, 2026 and Schiriuhr on October 11, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*