# KeepWaves vs UnitKit

The clearest difference is in-app purchases: KeepWaves at none against UnitKit's 2. KeepWaves also leads on device support (3 vs 1) and iOS requirement (15.0 vs 17.0). UnitKit's advantage is update cadence (monthly vs every 19 months). On price and ads there is nothing between them.

Both are free to download. UnitKit sells 2 in-app purchases, starting at $0.99 per 7 days. KeepWaves asks for nothing beyond the download.

KeepWaves ships an update every 19 months, UnitKit monthly. The most recent releases landed on October 13, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | KeepWaves | UnitKit |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/keepwaves/id6742164032/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 19 months | **Monthly** |
| Monetization | Free | — |
| Size | 15 MB | 6 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Arla Services](https://appshunter.io/developer/1793706092) | [LukyLab](https://appshunter.io/developer/1698729177) |

## What reviewers say

### KeepWaves

[App page](https://appshunter.io/ios/app/keepwaves/id6742164032)

Transform audio recordings into visual art with customizable waveform visualizations. Capture high-quality sound, apply effects, and share your unique acoustic memories as audio, images, or videos. Preserve precious sounds in a way that engages both sight and hearing.

**Highlights:** Customizable waveform visualizations, High-quality audio recording, Real-time visualization, Advanced audio processing, Multiple export options (audio, image, video), Intuitive organization and search, Interactive playback

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

**In-app purchases:** none


### UnitKit

[App page](https://appshunter.io/ios/app/unitkit-unit-converter/id6748941419)

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $0.99 | per 7 days |
| Annual | $7.99 | per year |


## Frequently asked questions

### Is KeepWaves free?

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

### Is UnitKit free?

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

### Do KeepWaves or UnitKit have ads?

Neither KeepWaves nor UnitKit shows ads.

### Which is updated more often, KeepWaves or UnitKit?

KeepWaves ships an update every 19 months, and UnitKit monthly. Most recently, KeepWaves was updated on October 13, 2026 and UnitKit on October 9, 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.*