# RTA Audio vs Audio / Spectrum Analyzer

The clearest difference is rating: Audio / Spectrum Analyzer at 4.6 against RTA Audio's 3.5. Audio / Spectrum Analyzer also leads on update cadence (every 2 weeks vs every 28 months) and review sentiment (79% vs 59%). RTA Audio's advantage is ads (none vs shown) and iOS requirement (15.6 vs 17.0). On price, in-app purchases, monetization model and device support there is nothing between them.

Both are free to download. RTA Audio 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 1.1K ratings behind it against 32, so its average is the more settled of the two. Written reviews point the same way: 59% of RTA Audio's written reviews are positive against 79% of Audio / Spectrum Analyzer's.

RTA Audio ships an update every 28 months, Audio / Spectrum Analyzer every 2 weeks. The most recent releases landed on October 23, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | RTA Audio | Audio / Spectrum Analyzer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.5 (32 ratings)](https://appshunter.io/ios/app/rta-audio/id525324684/reviews) | **[4.6 (1.1K ratings)](https://appshunter.io/ios/app/audio-spectrum-analyzer/id1508848574/reviews)** |
| Number of ratings | 32 | **1.1K** |
| Positive reviews | 58.5% of reviews | **78.6% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 28 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, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [New Ball s.r.o.](https://appshunter.io/developer/1178970340) | [Loop-Sessions.LLC.](https://appshunter.io/developer/414215366) |

## What reviewers say

### RTA Audio

[App page](https://appshunter.io/ios/app/rta-audio/id525324684)

Analyze audio in real-time with detailed frequency spectrum and waveform visualizations. Record and export your audio analysis results, including spectrograms and frequency tables, for sharing or archiving.

**Highlights:** Real-time audio analysis (FFT), Recording and offline processing, Spectrogram and waveform visualization, Exportable analysis reports (PDF), Adjustable resolution and frequency scale, Peak and RMS metering

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Upgrade to full version | $14.99 | 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 RTA Audio free?

RTA Audio 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, RTA Audio or Audio / Spectrum Analyzer?

Audio / Spectrum Analyzer is rated higher. RTA Audio averages 3.5 out of 5 from 32 ratings, while Audio / Spectrum Analyzer averages 4.6 from 1.1K ratings.

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

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

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

RTA Audio ships an update every 28 months, and Audio / Spectrum Analyzer every 2 weeks. Most recently, RTA Audio was updated on October 23, 2026 and Audio / Spectrum Analyzer on October 25, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*