# Syro vs Un

The clearest difference is update cadence: Un at every 3 weeks against Syro's every 2 months. Syro's advantage is device support (3 vs 1). On price, ads, in-app purchases and iOS requirement there is nothing between them.

Both are free to download. Syro sells 2 in-app purchases, starting at $4.99 per month and Un sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Syro ships an update every 2 months, Un every 3 weeks. Both last shipped on October 31, 2026.

## The numbers

| Metric | Syro | Un |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Size | 40 MB | 50 MB |
| Requires iOS | **15.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [Valeria Leascenco](https://appshunter.io/developer/1882742702) | [COMMERCE ON DEMAND NETWORK LTD](https://appshunter.io/developer/567469499) |

## What reviewers say

### Syro

[App page](https://appshunter.io/ios/app/syro-reduce-sugar/id6760904144)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Syro Pro Monthly | $4.99 | per month |
| Syro Pro Monthly | $24.99 | per year |


### Un

[App page](https://appshunter.io/ios/app/un-journal-stop-overthinking/id6785877239)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Un-Journal Premium Access | $14.99 | one-time |


## Frequently asked questions

### Is Syro free?

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

### Is Un free?

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

### Do Syro or Un have ads?

Neither Syro nor Un shows ads.

### Which is updated more often, Syro or Un?

Syro ships an update every 2 months, and Un every 3 weeks. Most recently, Syro was updated on October 31, 2026 and Un on October 31, 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.*