# AUDIIO vs Audio / Spectrum Analyzer

The clearest difference is review sentiment: Audio / Spectrum Analyzer at 79% against AUDIIO's 0%. Audio / Spectrum Analyzer also leads on update cadence (every 2 weeks vs every 3 months) and rating (4.6 vs 4.3). AUDIIO's advantage is iOS requirement (15.6 vs 17.0). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. AUDIIO 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 4.3. That said, the two scores are not equally well evidenced: Audio / Spectrum Analyzer has 1.1K ratings behind it against 98, so its average is the more settled of the two. Written reviews point the same way: 0% of AUDIIO's written reviews are positive against 79% of Audio / Spectrum Analyzer's.

AUDIIO ships an update every 3 months, Audio / Spectrum Analyzer every 2 weeks. Both last shipped on October 29, 2026.

## The numbers

| Metric | AUDIIO | Audio / Spectrum Analyzer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.3 (98 ratings)](https://appshunter.io/ios/app/audiio-rta-analyzer/id1466746908/reviews) | **[4.6 (1.1K ratings)](https://appshunter.io/ios/app/audio-spectrum-analyzer/id1508848574/reviews)** |
| Number of ratings | 98 | **1.1K** |
| Positive reviews | 0.0% of reviews | **78.6% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 3 months | **Every 2 weeks** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 14 MB | 5 MB |
| Requires iOS | **15.6** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [BetaMatters](https://appshunter.io/developer/1437603523) | [Loop-Sessions.LLC.](https://appshunter.io/developer/414215366) |

## What reviewers say

### AUDIIO

[App page](https://appshunter.io/ios/app/audiio-rta-analyzer/id1466746908)

Visualize audio in real-time with various data graphs like RTA Bar, FFT, and Spectrogram. Offers full octave and 1/3 octave analysis with linear or logarithmic scales. Displays peak and current dB data in a sleek, functional interface.

**Highlights:** Real-time audio analysis, RTA Bar / Line Graph, FFT and Spectrogram visualization, Full Octave and 1/3 Octave analysis, Linear / Logarithmic scale, Peak and current dB data

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| No Ads | $4.99 | 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) | $11.99 | 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 AUDIIO free?

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

### Is Audio / Spectrum Analyzer free?

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

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

Audio / Spectrum Analyzer is rated higher. AUDIIO averages 4.3 out of 5 from 98 ratings, while Audio / Spectrum Analyzer averages 4.6 from 1.1K ratings.

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

Both AUDIIO and Audio / Spectrum Analyzer show ads.

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

AUDIIO ships an update every 3 months, and Audio / Spectrum Analyzer every 2 weeks. Most recently, AUDIIO was updated on October 29, 2026 and Audio / Spectrum Analyzer 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.*