# Канистра vs Ozro

The clearest difference is update cadence: Ozro at every 3 weeks against Канистра's every 6 months. 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.

Канистра ships an update every 6 months, Ozro every 3 weeks. The most recent releases landed on October 25, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | Канистра | Ozro |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 3 weeks** |
| Size | 13 MB | 102 MB |
| Requires iOS | 13.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Sergey Chernykh](https://appshunter.io/developer/1203732006) | [Elbrus Gasanov](https://appshunter.io/developer/1078707961) |

## What reviewers say

### Канистра

[App page](https://appshunter.io/ios/app/id6504531315)

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

**In-app purchases:** none


### Ozro

[App page](https://appshunter.io/ios/app/ozro/id6692634146)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Канистра free?

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

### Is Ozro free?

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

### Do Канистра or Ozro have ads?

Neither Канистра nor Ozro shows ads.

### Which is updated more often, Канистра or Ozro?

Канистра ships an update every 6 months, and Ozro every 3 weeks. Most recently, Канистра was updated on October 25, 2026 and Ozro on October 14, 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.*