# Audio Check Mate vs Musical Demon's Impulse

The clearest difference is in-app purchases: Musical Demon's Impulse at none against Audio Check Mate's 1. Audio Check Mate's advantage is iOS requirement (11.0 vs 17). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Audio Check Mate sells 1 in-app purchase, starting at $8.99 per year. Musical Demon's Impulse asks for nothing beyond the download.

Audio Check Mate ships an update every 2 weeks, Musical Demon's Impulse fortnightly. Both last shipped on October 28, 2026.

## The numbers

| Metric | Audio Check Mate | Musical Demon's Impulse |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/audio-check-mate/id6749070364/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Fortnightly |
| Monetization | Free with in-app purchases | — |
| Size | 33 MB | 5 MB |
| Requires iOS | **11.0** | 17 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [AVIN Studios](https://appshunter.io/developer/1806944710) | [Steve Chavez](https://appshunter.io/developer/1886657377) |

## What reviewers say

### Audio Check Mate

[App page](https://appshunter.io/ios/app/audio-check-mate/id6749070364)

Instantly compare multiple audio tracks, analyze their frequency content, and visualize every detail. Features blind testing, real-time spectrum and waveform analysis, and sample-accurate playback for critical listening and music education.

**Highlights:** Blind Test Mode for objective comparison, Spectrum & Waveform Analysis, Frequency Band Solo/Mute, Master Volume Metering (LUFS, True Peak, RMS), Load up to 8 files for comparison, Sample-accurate playback and looping, Audio Peak-Normalization

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Audio Check Mate Pro (Annual) | $8.99 | per year |


### Musical Demon's Impulse

[App page](https://appshunter.io/ios/app/musical-demons-impulse/id6761221921)

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

**In-app purchases:** none


## Frequently asked questions

### Is Audio Check Mate free?

Audio Check Mate is free to download, with in-app purchases available.

### Is Musical Demon's Impulse free?

Musical Demon's Impulse is free to download, with no in-app purchases.

### Do Audio Check Mate or Musical Demon's Impulse have ads?

Neither Audio Check Mate nor Musical Demon's Impulse shows ads.

### Which is updated more often, Audio Check Mate or Musical Demon's Impulse?

Audio Check Mate ships an update every 2 weeks, and Musical Demon's Impulse fortnightly. Most recently, Audio Check Mate was updated on October 28, 2026 and Musical Demon's Impulse on October 28, 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.*