# KOETRON vs CrazyVoiceMaker

The clearest difference is in-app purchases: KOETRON at none against CrazyVoiceMaker's 1. KOETRON also leads on iOS requirement (15.6 vs 18.2). On price, ads and device support there is nothing between them.

Both are free to download. CrazyVoiceMaker sells 1 one-off in-app purchase. KOETRON asks for nothing beyond the download.

## The numbers

| Metric | KOETRON | CrazyVoiceMaker |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 6 months | — |
| Size | 46 MB | 5 MB |
| Requires iOS | **15.6** | 18.2 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [SACHIKO HAMATSU](https://appshunter.io/developer/1819856338) | [Fumihiro Kawasaki](https://appshunter.io/developer/1246668885) |

## What reviewers say

### KOETRON

[App page](https://appshunter.io/ios/app/koetron/id6751819556)

**Features:** macOS Compatibility

**In-app purchases:** none


### CrazyVoiceMaker

[App page](https://appshunter.io/ios/app/crazyvoicemaker/id6757155054)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro | $2.99 | one-time |


## Frequently asked questions

### Is KOETRON free?

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

### Is CrazyVoiceMaker free?

CrazyVoiceMaker is free to download, with in-app purchases available.

### Do KOETRON or CrazyVoiceMaker have ads?

Both KOETRON and CrazyVoiceMaker show ads.

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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.*