# Audio Kit vs Audio / Spectrum Analyzer

The clearest difference is price: Audio / Spectrum Analyzer at Free against Audio Kit's $2.99. Audio / Spectrum Analyzer also leads on rating (4.6 vs 3.5) and update cadence (every 2 weeks vs every 6 months). Audio Kit's advantage is ads (none vs shown) and iOS requirement (15.6 vs 17.0). On review sentiment, in-app purchases, monetization model and device support there is nothing between them.

Audio / Spectrum Analyzer is free to download; Audio Kit costs $2.99 up front. Audio Kit sells 1 one-off in-app purchase and Audio / Spectrum Analyzer sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Audio / Spectrum Analyzer holds the better App Store score, 4.6 against 3.5. That said, the two scores are not equally well evidenced: Audio / Spectrum Analyzer has 1K ratings behind it against 6, so its average is the more settled of the two. Written reviews point the same way: 76% of Audio Kit's written reviews are positive against 79% of Audio / Spectrum Analyzer's.

Audio Kit ships an update every 6 months, Audio / Spectrum Analyzer every 2 weeks. The most recent releases landed on September 22, 2026 and September 25, 2026 respectively.

## The numbers

| Metric | Audio Kit | Audio / Spectrum Analyzer |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Rating | [3.5 (6 ratings)](https://appshunter.io/ios/app/audio-kit/id376965050/reviews) | **[4.6 (1K ratings)](https://appshunter.io/ios/app/audio-spectrum-analyzer/id1508848574/reviews)** |
| Number of ratings | 6 | **1K** |
| Positive reviews | 76.3% of reviews | **78.6% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 6 months | **Every 2 weeks** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 2 MB | 5 MB |
| Requires iOS | **15.6** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Sinusoid Pty Ltd](https://appshunter.io/developer/364871696) | [Loop-Sessions.LLC.](https://appshunter.io/developer/414215366) |

## What reviewers say

### Audio Kit

[App page](https://appshunter.io/ios/app/audio-kit/id376965050)

This app provides four essential audio analysis tools: a real-time spectrum analyzer, a waveform scope, an SPL meter, and a signal generator. It helps audio professionals visualize and measure sound characteristics with detailed controls and calibration options.

**Highlights:** Real-time Spectrum Analyzer, Waveform Scope, SPL Meter with A-weighting, Signal Generator (Sine, White, Pink Noise), Sweep Generation (In-App Purchase), Screen Capture

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Sweep Generator for Audio Kit | $1.99 | one-time |


### Audio / Spectrum Analyzer

[App page](https://appshunter.io/ios/app/audio-spectrum-analyzer/id1508848574)

This application analyzes audio input from your microphone, displaying both the waveform and amplitude spectrum in real-time. It offers extensive customization for display, calculation, and signal generation.

**Highlights:** Simultaneous waveform and spectrum display, Configurable display layouts, Selectable FFT size and averaging, Frequency weighting options (Flat, dBA, dBC), Octave band analysis, Audio signal and noise generation, Peak hold and pitch meter

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro (Remove ads, High-Res analysis) | $11.49 | one-time |

**What reviewers like**

- 👍 Customizable features
- ⚙️ Accurate measurements
- 🚀 Helpful for troubleshooting
- 💡 Useful for ghost hunting

**What reviewers complain about**

- 🐛 Crashes and freezes
- 🔋 High battery and CPU usage
- 🚫 Inappropriate ads/content
- 🔒 Security concerns with payment info

**Reported bugs**

- Stuck on latest measurement
- White noise instead of expected functionality
- Disconnects AirPods

**Requested features**

- Sampling rate adjustment
- Wave shape tracking
- Audio file analysis
- Octave analysis


## Frequently asked questions

### Is Audio Kit free?

Audio Kit costs $2.99, and also offers in-app purchases.

### Is Audio / Spectrum Analyzer free?

Audio / Spectrum Analyzer is free to download, with in-app purchases available.

### Which has better reviews, Audio Kit or Audio / Spectrum Analyzer?

Audio / Spectrum Analyzer is rated higher. Audio Kit averages 3.5 out of 5 from 6 ratings, while Audio / Spectrum Analyzer averages 4.6 from 1K ratings.

### Do Audio Kit or Audio / Spectrum Analyzer have ads?

Audio / Spectrum Analyzer shows ads; Audio Kit does not.

### Which is updated more often, Audio Kit or Audio / Spectrum Analyzer?

Audio Kit ships an update every 6 months, and Audio / Spectrum Analyzer every 2 weeks. Most recently, Audio Kit was updated on September 22, 2026 and Audio / Spectrum Analyzer on September 25, 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.*