# معرض vs Katech

The clearest difference is update cadence: Katech at every 4 days against معرض's every 3 weeks. 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.

معرض ships an update every 3 weeks, Katech every 4 days. The most recent releases landed on August 12, 2026 and September 12, 2026 respectively.

## The numbers

| Metric | معرض | Katech |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 4 days** |
| Size | 93 MB | 43 MB |
| Requires iOS | 15.6 | **15.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Abdulaziz Aldawsari](https://appshunter.io/developer/1769766175) | [Sherif Shalaby](https://appshunter.io/developer/1569702897) |

## What reviewers say

### معرض

[App page](https://appshunter.io/ios/app/id6744809295)

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

**In-app purchases:** none


### Katech

[App page](https://appshunter.io/ios/app/katech/id6777697213)

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

**In-app purchases:** none


## Frequently asked questions

### Is معرض free?

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

### Is Katech free?

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

### Do معرض or Katech have ads?

Neither معرض nor Katech shows ads.

### Which is updated more often, معرض or Katech?

معرض ships an update every 3 weeks, and Katech every 4 days. Most recently, معرض was updated on August 12, 2026 and Katech on September 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.*