# Spectrum Analyzer vs AUDIIO

The clearest difference is update cadence: Spectrum Analyzer at fortnightly against AUDIIO's every 3 months. On price, rating, review sentiment and ratings volume there is nothing between them.

Both are free to download. Spectrum Analyzer sells 13 in-app purchases, starting at $4.99 per 7 days and AUDIIO sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 4.2 for Spectrum Analyzer against 4.3 for AUDIIO. Both are backed by a comparable volume of ratings — 197 and 95 respectively. Written reviews are what separate them: 5% of Spectrum Analyzer's written reviews are positive against 0% of AUDIIO's.

Spectrum Analyzer ships an update fortnightly, AUDIIO every 3 months. The most recent releases landed on September 24, 2026 and September 25, 2026 respectively.

## The numbers

| Metric | Spectrum Analyzer | AUDIIO |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.2 (197 ratings)](https://appshunter.io/ios/app/spectrum-analyzer-spectrogram/id981810895/reviews) | **[4.3 (95 ratings)](https://appshunter.io/ios/app/audiio-rta-analyzer/id1466746908/reviews)** |
| Number of ratings | **197** | 95 |
| Positive reviews | **5.0% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | **Fortnightly** | Every 3 months |
| Monetization | Freemium | Free with in-app purchases |
| Size | 132 MB | 14 MB |
| Requires iOS | 16.0 | **15.6** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Music Breath](https://appshunter.io/developer/1140008995) | [BetaMatters](https://appshunter.io/developer/1437603523) |

## What reviewers say

### Spectrum Analyzer

[App page](https://appshunter.io/ios/app/spectrum-analyzer-spectrogram/id981810895)

Visualize audio frequencies with real-time analysis. Features include a sound level meter, multichannel harmonic analysis, and adjustable graphical representations. Gain insights into your sound environment with advanced tools.

**Highlights:** Sound level meter, Multichannel harmonic analysis, Adjustable graphics, AI-powered sound source analyzer, Real-time analysis, FFT analysis

**Features:** macOS Compatibility

**In-app purchases (13)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pitch Finder: Audio Visualizer | $4.99 | per 7 days |
| Pitch Finder: Audio Visualizer | $9.99 | per month |
| One Month Sale | $9.99 | per month |
| 1 Week Subscription | $9.99 | per 7 days |
| 1 Year Sub. with discount | $19.99 | per year |
| 1 Month Subscription | $19.99 | per month |
| 3 Month Subscription | $25.99 | per 3 months |
| 1 Year Subscription | $39.99 | per year |
| 2 months subscription | $39.99 | per 2 months |
| No Ads | $9.99 | one-time |
| Additional Settings Controls | $15.99 | one-time |
| Full Pack + No Ads | $19.99 | one-time |
| Get More | $19.99 | one-time |

**What reviewers like**

- ✅ Accurate frequency identification
- ✅ Clear and easy-to-read display
- ✅ Useful noise floor setup feature
- ✅ Works well when ads are removed

**What reviewers complain about**

- 💰 Extremely aggressive monetization strategy
- 📢 Excessive and intrusive ads
- 🔊 Loud ads that ignore device mute settings
- 🚫 Requires subscription/payment to access core features
- 😤 Deceptive purchase practices and accidental charges

**Reported bugs**

- App becomes unusable after iOS 16 update
- Crashes immediately on iPhone 5 with iOS 7
- Cannot exit app on iPhone X without reboot
- App freezes when changing settings or views
- Inaccurate frequency readings

**Requested features**

- Audio file import functionality
- Customizable background colors for chroma key compatibility
- Ability to record audio instead of only analyzing
- Better documentation and help files
- Improved sensitivity for detecting soft sounds


### 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 |


## Frequently asked questions

### Is Spectrum Analyzer free?

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

### Is AUDIIO free?

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

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

AUDIIO is rated higher. Spectrum Analyzer averages 4.2 out of 5 from 197 ratings, while AUDIIO averages 4.3 from 95 ratings.

### Do Spectrum Analyzer or AUDIIO have ads?

Both Spectrum Analyzer and AUDIIO show ads.

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

Spectrum Analyzer ships an update fortnightly, and AUDIIO every 3 months. Most recently, Spectrum Analyzer was updated on September 24, 2026 and AUDIIO 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.*