# Keep Black vs Audio Tone Generator Plus

The clearest difference is price: Keep Black at $1.99 against Audio Tone Generator Plus's $6.99. Keep Black also leads on iOS requirement (14.0 vs 26.2). On ads, in-app purchases and device support there is nothing between them.

Keep Black costs $1.99 and Audio Tone Generator Plus $6.99 up front. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | Keep Black | Audio Tone Generator Plus |
| --- | --- | --- |
| Price | **$1.99** | $6.99 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | — | Every 6 months |
| Size | 0 MB | 1 MB |
| Requires iOS | **14.0** | 26.2 |
| Devices | Apple TV | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Bhagya Silva](https://appshunter.io/developer/954163660) | [TOON,LLC](https://appshunter.io/developer/633948723) |

## What reviewers say

### Keep Black

[App page](https://appshunter.io/ios/app/keep-black/id1569267680)

**In-app purchases:** none


### Audio Tone Generator Plus

[App page](https://appshunter.io/ios/app/audio-tone-generator-plus/id1619042820)

**In-app purchases:** none


## Frequently asked questions

### Is Keep Black free?

Keep Black costs $1.99, with no in-app purchases.

### Is Audio Tone Generator Plus free?

Audio Tone Generator Plus costs $6.99, with no in-app purchases.

### Do Keep Black or Audio Tone Generator Plus have ads?

Neither Keep Black nor Audio Tone Generator Plus shows 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.*