# KAiKU Control vs MuPsych

The clearest difference is update cadence: MuPsych at every 9 days against KAiKU Control's every 5 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.

KAiKU Control ships an update every 5 months, MuPsych every 9 days. The most recent releases landed on September 14, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | KAiKU Control | MuPsych |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 9 days** |
| Size | 65 MB | 49 MB |
| Requires iOS | 14.0 | 14.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Care Us Oy](https://appshunter.io/developer/1561467992) | [William Randall](https://appshunter.io/developer/1771312630) |

## What reviewers say

### KAiKU Control

[App page](https://appshunter.io/ios/app/kaiku-control/id1450527844)

**Features:** macOS Compatibility

**In-app purchases:** none


### MuPsych

[App page](https://appshunter.io/ios/app/mupsych/id6730127590)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is KAiKU Control free?

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

### Is MuPsych free?

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

### Do KAiKU Control or MuPsych have ads?

Neither KAiKU Control nor MuPsych shows ads.

### Which is updated more often, KAiKU Control or MuPsych?

KAiKU Control ships an update every 5 months, and MuPsych every 9 days. Most recently, KAiKU Control was updated on September 14, 2026 and MuPsych on September 9, 2026.

---

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