# Spectrum Analyzer+ Audio FFT vs Spectrum Analyzer

The clearest difference is in-app purchases: Spectrum Analyzer+ Audio FFT at none against Spectrum Analyzer's 2. Spectrum Analyzer+ Audio FFT also leads on update cadence (every 4 days vs monthly). Spectrum Analyzer's advantage is ads (none vs shown) and rating (3.0 vs 2.6). On price, ratings volume, device support and iOS requirement there is nothing between them.

Both are free to download. Spectrum Analyzer sells 2 in-app purchases, starting at $4.99 per 7 days. Spectrum Analyzer+ Audio FFT asks for nothing beyond the download.

Spectrum Analyzer holds the better App Store score, 3.0 against 2.6. Both are backed by a comparable volume of ratings — 5 and 2 respectively.

Spectrum Analyzer+ Audio FFT ships an update every 4 days, Spectrum Analyzer monthly. The most recent releases landed on November 9, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Spectrum Analyzer+ Audio FFT | Spectrum Analyzer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.6 (5 ratings)](https://appshunter.io/ios/app/spectrum-analyzer-plus-audio-fft/id6760830858/reviews) | **[3.0 (2 ratings)](https://appshunter.io/ios/app/spectrum-analyzer-audio-rta/id6781270627/reviews)** |
| Number of ratings | **5** | 2 |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 4 days** | Monthly |
| Monetization | **Ad-supported** | Free with in-app purchases |
| Size | 95 MB | 21 MB |
| Requires iOS | **17.0** | 17.6 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 17+ | 4+ |
| Developer | [Kyu-Hee Jang](https://appshunter.io/developer/1587578867) | [brian koech](https://appshunter.io/developer/1853281007) |

## What reviewers say

### Spectrum Analyzer+ Audio FFT

[App page](https://appshunter.io/ios/app/spectrum-analyzer-plus-audio-fft/id6760830858)

Analyze live audio frequencies from your microphone to identify peak Hz, hum, and room modes. Capture and average sound over five seconds to pinpoint the strongest frequencies and their levels. Compare changes by saving reference captures and analyzing differences.

**Highlights:** Live frequency spectrum display, 5-second audio capture and averaging, Peak frequency and level identification, Adjustable dB range, Reference capture comparison, Specialized analysis modes (Voice, Machine, Room), CSV export of spectrum data

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

**In-app purchases:** none


### Spectrum Analyzer

[App page](https://appshunter.io/ios/app/spectrum-analyzer-audio-rta/id6781270627)

Visualize sound frequencies, waveforms, and spectral activity in real-time using your device's microphone. Analyze audio for tuning, testing, music, or exploring ambient sounds with clear visual representations.

**Highlights:** Real-time audio spectrum analysis, FFT frequency analysis, Live spectrogram visualization, Audio waveform display, Frequency and amplitude monitoring, Microphone-based sound analysis

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| pro weekly | $4.99 | per 7 days |
| pro annual | $29.99 | per year |


## Frequently asked questions

### Is Spectrum Analyzer+ Audio FFT free?

Spectrum Analyzer+ Audio FFT is free to download, with no in-app purchases.

### Is Spectrum Analyzer free?

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

### Which has better reviews, Spectrum Analyzer+ Audio FFT or Spectrum Analyzer?

Spectrum Analyzer is rated higher. Spectrum Analyzer+ Audio FFT averages 2.6 out of 5 from 5 ratings, while Spectrum Analyzer averages 3.0 from 2 ratings.

### Do Spectrum Analyzer+ Audio FFT or Spectrum Analyzer have ads?

Spectrum Analyzer+ Audio FFT shows ads; Spectrum Analyzer does not.

### Which is updated more often, Spectrum Analyzer+ Audio FFT or Spectrum Analyzer?

Spectrum Analyzer+ Audio FFT ships an update every 4 days, and Spectrum Analyzer monthly. Most recently, Spectrum Analyzer+ Audio FFT was updated on November 9, 2026 and Spectrum Analyzer on November 5, 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.*