# Spectroscope vs KeepWaves

The clearest difference is price: KeepWaves at Free against Spectroscope's $14.99. Spectroscope's advantage is update cadence (every 5 days vs every 19 months). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

KeepWaves is free to download; Spectroscope costs $14.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Spectroscope ships an update every 5 days, KeepWaves every 19 months. The most recent releases landed on November 8, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Spectroscope | KeepWaves |
| --- | --- | --- |
| Price | $14.99 | **Free** |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/keepwaves/id6742164032/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 days** | Every 19 months |
| Monetization | — | Free |
| Size | 25 MB | 15 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [LEONARDO TAZZINI](https://appshunter.io/developer/1751785749) | [Arla Services](https://appshunter.io/developer/1793706092) |

## What reviewers say

### Spectroscope

[App page](https://appshunter.io/ios/app/spectroscope/id6741684078)

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

**In-app purchases:** none


### 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


## Frequently asked questions

### Is Spectroscope free?

Spectroscope costs $14.99, with no in-app purchases.

### Is KeepWaves free?

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

### Do Spectroscope or KeepWaves have ads?

Neither Spectroscope nor KeepWaves shows ads.

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

Spectroscope ships an update every 5 days, and KeepWaves every 19 months. Most recently, Spectroscope was updated on November 8, 2026 and KeepWaves on October 30, 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.*