# Osi.kz vs Modular Pro

The clearest difference is update cadence: Modular Pro at monthly against Osi.kz's every 2 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.

Osi.kz ships an update every 2 months, Modular Pro monthly. The most recent releases landed on October 27, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | Osi.kz | Modular Pro |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Monthly** |
| Size | 37 MB | 31 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [iBEC Systems](https://appshunter.io/developer/597833324) | [LIIS, OOO](https://appshunter.io/developer/1407905193) |

## What reviewers say

### Osi.kz

[App page](https://appshunter.io/ios/app/osikz/id1583711128)

**Features:** macOS Compatibility

**In-app purchases:** none


### Modular Pro

[App page](https://appshunter.io/ios/app/modular-pro/id6455989423)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Osi.kz free?

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

### Is Modular Pro free?

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

### Do Osi.kz or Modular Pro have ads?

Neither Osi.kz nor Modular Pro shows ads.

### Which is updated more often, Osi.kz or Modular Pro?

Osi.kz ships an update every 2 months, and Modular Pro monthly. Most recently, Osi.kz was updated on October 27, 2026 and Modular Pro on October 16, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*