# MasterTone vs ConvertiSlowed

The clearest difference is price: ConvertiSlowed at Free against MasterTone's $0.49. ConvertiSlowed also leads on iOS requirement (16.4 vs 26.2). MasterTone's advantage is ads (none vs shown). On in-app purchases and device support there is nothing between them.

ConvertiSlowed is free to download; MasterTone costs $0.49 up front. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | MasterTone | ConvertiSlowed |
| --- | --- | --- |
| Price | $0.49 | **Free** |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | — | Monthly |
| Size | 1 MB | 42 MB |
| Requires iOS | 26.2 | **16.4** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [TAKASHI NOSE](https://appshunter.io/developer/1869272305) | [Mickael Barthemy](https://appshunter.io/developer/1844241930) |

## What reviewers say

### MasterTone

[App page](https://appshunter.io/ios/app/mastertone/id6758001646)

**In-app purchases:** none


### ConvertiSlowed

[App page](https://appshunter.io/ios/app/convertislowed/id6779308185)

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

**In-app purchases:** none


## Frequently asked questions

### Is MasterTone free?

MasterTone costs $0.49, with no in-app purchases.

### Is ConvertiSlowed free?

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

### Do MasterTone or ConvertiSlowed have ads?

ConvertiSlowed shows ads; MasterTone does not.

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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.*