# Unichrono vs AlphaTime

The clearest difference is update cadence: Unichrono at every 5 days against AlphaTime's fortnightly. AlphaTime's advantage is iOS requirement (15.1 vs 17.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Unichrono sells 1 one-off in-app purchase and AlphaTime sells 1 in-app purchase, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

Unichrono ships an update every 5 days, AlphaTime fortnightly. Both last shipped on October 29, 2026.

## The numbers

| Metric | Unichrono | AlphaTime |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 5 days** | Fortnightly |
| Size | 34 MB | 27 MB |
| Requires iOS | 17.0 | **15.1** |
| Devices | **iPhone, iPad, Mac, Apple Watch** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Abhilash Emmanuel](https://appshunter.io/developer/6802869223) | [JEN EVANS TRUSHEVSKA](https://appshunter.io/developer/6805593446) |

## What reviewers say

### Unichrono

[App page](https://appshunter.io/ios/app/unichrono/id6804218446)

**Features:** Apple Watch app, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unichrono: World Clock Widget | $2.99 | one-time |


### AlphaTime

[App page](https://appshunter.io/ios/app/alphatime-world-clock/id6805593444)

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

**In-app purchases (1)**

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


## Frequently asked questions

### Is Unichrono free?

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

### Is AlphaTime free?

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

### Do Unichrono or AlphaTime have ads?

Neither Unichrono nor AlphaTime shows ads.

### Which is updated more often, Unichrono or AlphaTime?

Unichrono ships an update every 5 days, and AlphaTime fortnightly. Most recently, Unichrono was updated on October 29, 2026 and AlphaTime on October 29, 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.*