# Audio Spectrum Viewer vs LiDARVisionPro

The clearest difference is price: LiDARVisionPro at Free against Audio Spectrum Viewer's $0.99. LiDARVisionPro also leads on update cadence (every 3 days vs every 72 months). Audio Spectrum Viewer's advantage is in-app purchases (none vs 1) and ads (none vs shown). On device support and iOS requirement there is nothing between them.

LiDARVisionPro is free to download; Audio Spectrum Viewer costs $0.99 up front. LiDARVisionPro sells 1 one-off in-app purchase. Audio Spectrum Viewer asks for nothing beyond the download.

Audio Spectrum Viewer ships an update every 72 months, LiDARVisionPro every 3 days. The most recent releases landed on November 3, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Audio Spectrum Viewer | LiDARVisionPro |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | **[4.3 (4 ratings)](https://appshunter.io/ios/app/audio-spectrum-viewer/id1525023447/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 72 months | **Every 3 days** |
| Monetization | Paid | — |
| Size | 2 MB | 6 MB |
| Requires iOS | **16.6** | 17.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Steve Glenner](https://appshunter.io/developer/1518671062) | [Sui Fai Law](https://appshunter.io/developer/1889201616) |

## What reviewers say

### Audio Spectrum Viewer

[App page](https://appshunter.io/ios/app/audio-spectrum-viewer/id1525023447)

Visualize the frequency content of your live audio environment with a dynamic waterfall spectrogram. Analyze sound systems, create audio fingerprints of environmental sounds, and save spectrograms with custom captions. Capture audio in the background for simultaneous recording and photography.

**Highlights:** Live audio frequency visualization, Waterfall/spectrogram display, Speaker and sound system analysis, Environmental sound fingerprinting, User-selectable gain and sample rate, Save spectrograms with captions, Save audio clips for playback

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

**In-app purchases:** none


### LiDARVisionPro

[App page](https://appshunter.io/ios/app/lidarvisionpro/id6761379417)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $0.99 | one-time |


## Frequently asked questions

### Is Audio Spectrum Viewer free?

Audio Spectrum Viewer costs $0.99, with no in-app purchases.

### Is LiDARVisionPro free?

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

### Do Audio Spectrum Viewer or LiDARVisionPro have ads?

LiDARVisionPro shows ads; Audio Spectrum Viewer does not.

### Which is updated more often, Audio Spectrum Viewer or LiDARVisionPro?

Audio Spectrum Viewer ships an update every 72 months, and LiDARVisionPro every 3 days. Most recently, Audio Spectrum Viewer was updated on November 3, 2026 and LiDARVisionPro on October 31, 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.*