# Koibox for Professionals vs Quick reMark

The clearest difference is update cadence: Koibox for Professionals at fortnightly against Quick reMark's every 6 months. Koibox for Professionals also leads on iOS requirement (16.6 vs 18.6). 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.

Koibox for Professionals ships an update fortnightly, Quick reMark every 6 months. The most recent releases landed on October 24, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | Koibox for Professionals | Quick reMark |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 6 months |
| Size | 65 MB | 3 MB |
| Requires iOS | **16.6** | 18.6 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [Software Koibox, S.L.](https://appshunter.io/developer/1203253279) | [Douwe F Osinga e/v Hamburger](https://appshunter.io/developer/1874295128) |

## What reviewers say

### Koibox for Professionals

[App page](https://appshunter.io/ios/app/koibox-for-professionals/id6446947349)

**In-app purchases:** none


### Quick reMark

[App page](https://appshunter.io/ios/app/quick-remark/id6758668474)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Koibox for Professionals free?

Koibox for Professionals is free to download, with no in-app purchases.

### Is Quick reMark free?

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

### Do Koibox for Professionals or Quick reMark have ads?

Neither Koibox for Professionals nor Quick reMark shows ads.

### Which is updated more often, Koibox for Professionals or Quick reMark?

Koibox for Professionals ships an update fortnightly, and Quick reMark every 6 months. Most recently, Koibox for Professionals was updated on October 24, 2026 and Quick reMark on October 18, 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.*