# KEY AZA vs Årsring

The clearest difference is in-app purchases: KEY AZA at none against Årsring's 1. KEY AZA also leads on iOS requirement (17.2 vs 26.0). Årsring's advantage is ads (none vs shown) and update cadence (every 4 days vs every 12 months). On price and device support there is nothing between them.

Both are free to download. Årsring sells 1 in-app purchase, starting at $0.99 per month. KEY AZA asks for nothing beyond the download.

KEY AZA ships an update every 12 months, Årsring every 4 days. The most recent releases landed on September 8, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | KEY AZA | Årsring |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 12 months | **Every 4 days** |
| Size | 2 MB | 138 MB |
| Requires iOS | **17.2** | 26.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 12+ | 4+ |
| Developer | [KEY Experience Scandinavia AB](https://appshunter.io/developer/1449697229) | [David Svensson](https://appshunter.io/developer/1881397800) |

## What reviewers say

### KEY AZA

[App page](https://appshunter.io/ios/app/key-aza/id1495388054)

**Features:** macOS Compatibility

**In-app purchases:** none


### Årsring

[App page](https://appshunter.io/ios/app/arsring/id6769886014)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Årsring Premium | $0.99 | per month |


## Frequently asked questions

### Is KEY AZA free?

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

### Is Årsring free?

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

### Do KEY AZA or Årsring have ads?

KEY AZA shows ads; Årsring does not.

### Which is updated more often, KEY AZA or Årsring?

KEY AZA ships an update every 12 months, and Årsring every 4 days. Most recently, KEY AZA was updated on September 8, 2026 and Årsring 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.*