# Ultimate Timer Go vs AION

The clearest difference is update cadence: AION at every 5 days against Ultimate Timer Go's fortnightly. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Ultimate Timer Go sells 2 in-app purchases, starting at $2.99 per month and AION sells 2 in-app purchases, starting at $9.99 per month. Whichever you choose, the download price is not the number that matters.

Ultimate Timer Go ships an update fortnightly, AION every 5 days. The most recent releases landed on October 21, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | Ultimate Timer Go | AION |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 5 days** |
| Size | 27 MB | 13 MB |
| Requires iOS | 18.0 | **17.0** |
| Devices | **iPhone, Apple Watch** | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [Ofbit](https://appshunter.io/developer/1773852262) | [Thomas Gomez](https://appshunter.io/developer/6782825523) |

## What reviewers say

### Ultimate Timer Go

[App page](https://appshunter.io/ios/app/ultimate-timer-go/id6736920933)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly renewable subscription | $2.99 | per month |
| Yearly renewable subscription | $29.99 | per year |


### AION

[App page](https://appshunter.io/ios/app/aion-your-ai-health-operator/id6782825521)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| AION Pro Monthly | $9.99 | per month |
| AION Pro Annual | $44.99 | per year |


## Frequently asked questions

### Is Ultimate Timer Go free?

Ultimate Timer Go is free to download, with in-app purchases available.

### Is AION free?

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

### Do Ultimate Timer Go or AION have ads?

Neither Ultimate Timer Go nor AION shows ads.

### Which is updated more often, Ultimate Timer Go or AION?

Ultimate Timer Go ships an update fortnightly, and AION every 5 days. Most recently, Ultimate Timer Go was updated on October 21, 2026 and AION on October 17, 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.*