# Audio Kit vs Audio Spectrum Analyzer dB RTA

The clearest difference is price: Audio Spectrum Analyzer dB RTA at Free against Audio Kit's $2.99. Audio Spectrum Analyzer dB RTA also leads on rating (4.5 vs 3.5) and ratings volume (3K vs 6). Audio Kit's advantage is review sentiment (76% vs 44%). On update cadence, ads, in-app purchases and monetization model there is nothing between them.

Audio Spectrum Analyzer dB RTA is free to download; Audio Kit costs $2.99 up front. Audio Kit sells 1 one-off in-app purchase and Audio Spectrum Analyzer dB RTA sells 2 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

Audio Spectrum Analyzer dB RTA holds the better App Store score, 4.5 against 3.5. That said, the two scores are not equally well evidenced: Audio Spectrum Analyzer dB RTA has 3K ratings behind it against 6, so its average is the more settled of the two. Written reviews complicate that: 76% of Audio Kit's written reviews are positive against 44% of Audio Spectrum Analyzer dB RTA's, so the app with the better star average is not the one people write more warmly about.

Audio Kit ships an update every 6 months, Audio Spectrum Analyzer dB RTA every 5 months. The most recent releases landed on November 1, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | Audio Kit | Audio Spectrum Analyzer dB RTA |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Rating | [3.5 (6 ratings)](https://appshunter.io/ios/app/audio-kit/id376965050/reviews) | **[4.5 (3K ratings)](https://appshunter.io/ios/app/audio-spectrum-analyzer-db-rta/id1281873790/reviews)** |
| Number of ratings | 6 | **3K** |
| Positive reviews | **76.3% of reviews** | 43.6% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 5 months** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 2 MB | 24 MB |
| Requires iOS | 15.6 | **15** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Sinusoid Pty Ltd](https://appshunter.io/developer/364871696) | [Marina Polyanskaya](https://appshunter.io/developer/1519482916) |

## 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 dB RTA

[App page](https://appshunter.io/ios/app/audio-spectrum-analyzer-db-rta/id1281873790)

Analyze sound frequencies and decibel levels with this advanced tool. Ideal for tuning audio systems, it offers real-time spectrum analysis and sound metering for various applications.

**Highlights:** Octave Band Real-Time Analyzer, FFT Plot - Fast Fourier Transform, Integrated Sound Level Meter (dB-A), Multispectral Harmonic Analyzer, Hold Max and Min Peaks, Various Window Functions

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Access | $1.99 | per month |
| Spectrum Analyzer Pro | $7.99 | one-time |

**What reviewers like**

- 🚀 Excellent audio analysis tool
- 👍 Clean and intuitive interface
- 💡 Customizable frequency range
- 🔍 Accurate real-time spectrum visualization

**What reviewers complain about**

- 🐛 Compatibility issues with newer iOS versions
- 🔁 Constant prompts to upgrade to Pro version
- 🔌 High battery consumption
- 📊 Inaccurate frequency tracking in some modes

**Reported bugs**

- Freezing and crashing on certain devices
- Incorrect frequency readings in Octave RTA mode
- Inability to switch between microphone sources

**Requested features**

- External microphone support
- Ability to save and compare measurement results
- More detailed instructions and tutorials
- Vertical orientation option


## Frequently asked questions

### Is Audio Kit free?

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

### Is Audio Spectrum Analyzer dB RTA free?

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

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

Audio Spectrum Analyzer dB RTA is rated higher. Audio Kit averages 3.5 out of 5 from 6 ratings, while Audio Spectrum Analyzer dB RTA averages 4.5 from 3K ratings.

### Do Audio Kit or Audio Spectrum Analyzer dB RTA have ads?

Neither Audio Kit nor Audio Spectrum Analyzer dB RTA shows ads.

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

Audio Kit ships an update every 6 months, and Audio Spectrum Analyzer dB RTA every 5 months. Most recently, Audio Kit was updated on November 1, 2026 and Audio Spectrum Analyzer dB RTA on October 29, 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.*