# OZ vs KSK

The clearest difference is ads: OZ at none against KSK's shown. On price, update cadence, 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.

Both ship on a similar rhythm, roughly fortnightly. The most recent releases landed on October 16, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | OZ | KSK |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (109 ratings)](https://appshunter.io/ios/app/oz/id1224520373/reviews)** | — |
| Number of ratings | **109** | — |
| Positive reviews | 35.3% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Fortnightly | Fortnightly |
| Monetization | Free | — |
| Size | 88 MB | 70 MB |
| Requires iOS | 15.6 | **15.5** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 12+ |
| Developer | [OZ MARKET](https://appshunter.io/developer/1224520372) | [Строймаркет KSK](https://appshunter.io/developer/1657394310) |

## What reviewers say

### OZ

[App page](https://appshunter.io/ios/app/oz/id1224520373)

This app allows users to earn bonuses on purchases, track orders, and receive items quickly with a QR code. Stay updated on promotions, scan barcodes, and enjoy one-click payments. Get support for any questions or issues.

**Highlights:** Earn bonuses on purchases, Check orders and bonuses, Quick checkout with QR code, Stay updated on sales, Scan product barcodes, One-click payment

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

**In-app purchases:** none


### KSK

[App page](https://appshunter.io/ios/app/ksk/id6444862920)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is OZ free?

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

### Is KSK free?

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

### Do OZ or KSK have ads?

KSK shows ads; OZ does not.

### Which is updated more often, OZ or KSK?

OZ ships an update fortnightly, and KSK fortnightly. Most recently, OZ was updated on October 16, 2026 and KSK on September 24, 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.*