# KoMU vs HiDuck

The clearest difference is update cadence: KoMU at every 2 days against HiDuck's every 10 days. 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.

KoMU ships an update every 2 days, HiDuck every 10 days. The most recent releases landed on June 1, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | KoMU | HiDuck |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 days** | Every 10 days |
| Monetization | Free | — |
| Size | 5 MB | 24 MB |
| Requires iOS | 17.4 | **17.0** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Paulo Henrique Melo](https://appshunter.io/developer/1754238095) | [Joao Mergulhao](https://appshunter.io/developer/1768313992) |

## What reviewers say

### KoMU

[App page](https://appshunter.io/ios/app/komu/id6504887105)

This application analyzes workplace communication to assess politeness and sentiment. It helps users rephrase messages to ensure a respectful and clear tone, especially when dealing with potentially negative phrasing.

**Highlights:** Analyze communication sentiment, Identify politeness level, Reformulate messages, Ensure respectful tone, Improve clarity

**Features:** macOS Compatibility

**In-app purchases:** none


### HiDuck

[App page](https://appshunter.io/ios/app/hiduck-your-study-buddy/id6737779740)

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

**In-app purchases:** none


## Frequently asked questions

### Is KoMU free?

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

### Is HiDuck free?

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

### Do KoMU or HiDuck have ads?

Neither KoMU nor HiDuck shows ads.

### Which is updated more often, KoMU or HiDuck?

KoMU ships an update every 2 days, and HiDuck every 10 days. Most recently, KoMU was updated on June 1, 2026 and HiDuck on September 17, 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.*