# IOBM Gönüllü vs Knmaster

The clearest difference is update cadence: Knmaster at weekly against IOBM Gönüllü's fortnightly. 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.

IOBM Gönüllü ships an update fortnightly, Knmaster weekly. The most recent releases landed on November 5, 2026 and November 13, 2026 respectively.

## The numbers

| Metric | IOBM Gönüllü | Knmaster |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Fortnightly | **Weekly** |
| Size | 33 MB | 71 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 9+ | 4+ |
| Developer | [Globetech Ltd.](https://appshunter.io/developer/1531710385) | [Kaan Batibeki](https://appshunter.io/developer/6822274642) |

## What reviewers say

### IOBM Gönüllü

[App page](https://appshunter.io/ios/app/iobm-gonullu/id6778041340)

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

**In-app purchases:** none


### Knmaster

[App page](https://appshunter.io/ios/app/knmaster/id6804530125)

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

**In-app purchases:** none


## Frequently asked questions

### Is IOBM Gönüllü free?

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

### Is Knmaster free?

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

### Do IOBM Gönüllü or Knmaster have ads?

Neither IOBM Gönüllü nor Knmaster shows ads.

### Which is updated more often, IOBM Gönüllü or Knmaster?

IOBM Gönüllü ships an update fortnightly, and Knmaster weekly. Most recently, IOBM Gönüllü was updated on November 5, 2026 and Knmaster on November 13, 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.*