# AirMultiChrono vs RetroDotTimer

The clearest difference is update cadence: AirMultiChrono at every 2 days against RetroDotTimer's fortnightly. AirMultiChrono also leads on iOS requirement (16.6 vs 18.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. AirMultiChrono sells 3 one-off in-app purchases and RetroDotTimer sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

AirMultiChrono ships an update every 2 days, RetroDotTimer fortnightly. The most recent releases landed on September 18, 2026 and September 20, 2026 respectively.

## The numbers

| Metric | AirMultiChrono | RetroDotTimer |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 2 days** | Fortnightly |
| Size | 16 MB | 6 MB |
| Requires iOS | **16.6** | 18.0 |
| Devices | iPhone, iPad | **iPhone, iPad, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Valerie Otero](https://appshunter.io/developer/1848585337) | [Andean Bear Studios GmbH](https://appshunter.io/developer/1852873091) |

## What reviewers say

### AirMultiChrono

[App page](https://appshunter.io/ios/app/airmultichrono/id6754513036)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Small coffee | $1.99 | one-time |
| Medium coffee | $3.99 | one-time |
| Large coffee | $5.99 | one-time |


### RetroDotTimer

[App page](https://appshunter.io/ios/app/retrodottimer/id6761271003)

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| RetroDotTimer Pro | $4.99 | one-time |


## Frequently asked questions

### Is AirMultiChrono free?

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

### Is RetroDotTimer free?

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

### Do AirMultiChrono or RetroDotTimer have ads?

Neither AirMultiChrono nor RetroDotTimer shows ads.

### Which is updated more often, AirMultiChrono or RetroDotTimer?

AirMultiChrono ships an update every 2 days, and RetroDotTimer fortnightly. Most recently, AirMultiChrono was updated on September 18, 2026 and RetroDotTimer on September 20, 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.*