# CZSO vs Revizio

The clearest difference is update cadence: CZSO at monthly against Revizio's every 3 months. CZSO also leads on iOS requirement (13.0 vs 15.1). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

CZSO ships an update monthly, Revizio every 3 months. The most recent releases landed on October 5, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | CZSO | Revizio |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 3 months |
| Size | 8 MB | 36 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Cesky statisticky urad](https://appshunter.io/developer/805764166) | [yorcloud Ltd](https://appshunter.io/developer/380930723) |

## What reviewers say

### CZSO

[App page](https://appshunter.io/ios/app/czso/id1604362113)

**Features:** macOS Compatibility

**In-app purchases:** none


### Revizio

[App page](https://appshunter.io/ios/app/revizio/id6448795261)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is CZSO free?

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

### Is Revizio free?

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

### Do CZSO or Revizio have ads?

Neither CZSO nor Revizio shows ads.

### Which is updated more often, CZSO or Revizio?

CZSO ships an update monthly, and Revizio every 3 months. Most recently, CZSO was updated on October 5, 2026 and Revizio on October 12, 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.*