# Live Spectrogram vs WAV Audio File Generator PRO

The clearest difference is review sentiment: Live Spectrogram at 63% against WAV Audio File Generator PRO's 0%. Live Spectrogram also leads on rating (4.8 vs 4.0) and price ($1.99 vs $9.99). WAV Audio File Generator PRO's advantage is update cadence (every 5 days vs every 31 months). On ratings volume, ads, in-app purchases and monetization model there is nothing between them.

Live Spectrogram costs $1.99 and WAV Audio File Generator PRO $9.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Live Spectrogram holds the better App Store score, 4.8 against 4.0. Both are backed by a comparable volume of ratings — 6 and 5 respectively. Written reviews point the same way: 63% of Live Spectrogram's written reviews are positive against 0% of WAV Audio File Generator PRO's.

Live Spectrogram ships an update every 31 months, WAV Audio File Generator PRO every 5 days. The most recent releases landed on October 23, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Live Spectrogram | WAV Audio File Generator PRO |
| --- | --- | --- |
| Price | **$1.99** | $9.99 |
| Rating | **[4.8 (6 ratings)](https://appshunter.io/ios/app/live-spectrogram/id630831185/reviews)** | [4.0 (5 ratings)](https://appshunter.io/ios/app/wav-audio-file-generator-pro/id6739609082/reviews) |
| Number of ratings | **6** | 5 |
| Positive reviews | **62.5% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 31 months | **Every 5 days** |
| Monetization | Paid | Paid |
| Size | 15 MB | 10 MB |
| Requires iOS | **13.0** | 15.5 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Krueger Systems, Inc.](https://appshunter.io/developer/299293363) | [Thomas Gruber](https://appshunter.io/developer/342699861) |

## What reviewers say

### Live Spectrogram

[App page](https://appshunter.io/ios/app/live-spectrogram/id630831185)

Visualize sound frequencies in real-time with this tool. It displays audio intensity across time and frequency using color, helping you perfect singing, analyze animal calls, or locate household noises.

**Highlights:** Real-time audio visualization, Frequency analysis, Time-based spectrum display, Intensity shown by color, Singing voice perfection, Animal call analysis, Sound source identification

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

**In-app purchases:** none


### WAV Audio File Generator PRO

[App page](https://appshunter.io/ios/app/wav-audio-file-generator-pro/id6739609082)

Create high-quality WAV audio files with precise control over tones, sweeps, and noise. Supports various waveforms, sampling rates, channels, and bit depths for professional audio production and experimentation.

**Highlights:** Generate tones, sweeps, and noise, Supports Sine, Rectangle, Triangle, Sawtooth waveforms, Adjustable sampling rates (44.1kHz to 192kHz), Mono or stereo channel options, 16-bit or 32-bit bit depth, User-friendly design

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

**In-app purchases:** none


## Frequently asked questions

### Is Live Spectrogram free?

Live Spectrogram costs $1.99, with no in-app purchases.

### Is WAV Audio File Generator PRO free?

WAV Audio File Generator PRO costs $9.99, with no in-app purchases.

### Which has better reviews, Live Spectrogram or WAV Audio File Generator PRO?

Live Spectrogram is rated higher. Live Spectrogram averages 4.8 out of 5 from 6 ratings, while WAV Audio File Generator PRO averages 4.0 from 5 ratings.

### Do Live Spectrogram or WAV Audio File Generator PRO have ads?

Neither Live Spectrogram nor WAV Audio File Generator PRO shows ads.

### Which is updated more often, Live Spectrogram or WAV Audio File Generator PRO?

Live Spectrogram ships an update every 31 months, and WAV Audio File Generator PRO every 5 days. Most recently, Live Spectrogram was updated on October 23, 2026 and WAV Audio File Generator PRO on October 24, 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.*