# Spectrum Analyzer+ Audio FFT vs TimeStamp

The clearest difference is iOS requirement: Spectrum Analyzer+ Audio FFT at 17.0 against TimeStamp's 26.5. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Spectrum Analyzer+ Audio FFT ships an update weekly, TimeStamp every 11 days. Both last shipped on October 31, 2026.

## The numbers

| Metric | Spectrum Analyzer+ Audio FFT | TimeStamp |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.6 (5 ratings)](https://appshunter.io/ios/app/spectrum-analyzer-plus-audio-fft/id6760830858/reviews)** | — |
| Number of ratings | **5** | — |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | **Weekly** | Every 11 days |
| Monetization | Ad-supported | — |
| Size | 69 MB | 5 MB |
| Requires iOS | **17.0** | 26.5 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 17+ | 4+ |
| Developer | [Kyu-Hee Jang](https://appshunter.io/developer/1587578867) | [Thirawat Tatatmi](https://appshunter.io/developer/6786351864) |

## What reviewers say

### Spectrum Analyzer+ Audio FFT

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

This utility transforms your device into a real-time audio frequency analyzer. It visualizes sound frequencies from 20 Hz to 20 kHz using the microphone, displaying amplitude and peak frequencies. It's designed for musicians, audio engineers, and sound enthusiasts.

**Highlights:** Real-time FFT audio spectrum visualization, Frequency range 20 Hz to 20 kHz, Peak frequency detection, Average dB level per band, Adjustable dB range, Dark theme

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

**In-app purchases:** none


### TimeStamp

[App page](https://appshunter.io/ios/app/timestamp-gps-date-camera/id6788965210)

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

**In-app purchases:** none


## Frequently asked questions

### Is Spectrum Analyzer+ Audio FFT free?

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

### Is TimeStamp free?

TimeStamp is free to download, with no in-app purchases.

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

Both Spectrum Analyzer+ Audio FFT and TimeStamp show ads.

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

Spectrum Analyzer+ Audio FFT ships an update weekly, and TimeStamp every 11 days. Most recently, Spectrum Analyzer+ Audio FFT was updated on October 31, 2026 and TimeStamp on October 31, 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.*