# Azum vs trailruns.at

The clearest difference is ads: trailruns.at at none against Azum's shown. Azum's advantage is update cadence (every 3 weeks vs every 2 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

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

Azum ships an update every 3 weeks, trailruns.at every 2 months. Both last shipped on October 25, 2026.

## The numbers

| Metric | Azum | trailruns.at |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Every 3 weeks** | Every 2 months |
| Size | 45 MB | 45 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [AZUM system AG](https://appshunter.io/developer/1518572721) | [MARKUS HOSEL](https://appshunter.io/developer/1794503305) |

## What reviewers say

### Azum

[App page](https://appshunter.io/ios/app/azum/id6462191503)

**Features:** macOS Compatibility

**In-app purchases:** none


### trailruns.at

[App page](https://appshunter.io/ios/app/trailrunsat/id6741510190)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Azum free?

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

### Is trailruns.at free?

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

### Do Azum or trailruns.at have ads?

Azum shows ads; trailruns.at does not.

### Which is updated more often, Azum or trailruns.at?

Azum ships an update every 3 weeks, and trailruns.at every 2 months. Most recently, Azum was updated on October 25, 2026 and trailruns.at on October 25, 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.*