# Audio RTA Analyzer vs StageFlow

The clearest difference is in-app purchases: StageFlow at none against Audio RTA Analyzer's 1. Audio RTA Analyzer's advantage is update cadence (every 5 days vs every 3 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Audio RTA Analyzer sells 1 one-off in-app purchase. StageFlow asks for nothing beyond the download.

Audio RTA Analyzer ships an update every 5 days, StageFlow every 3 months. The most recent releases landed on October 3, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | Audio RTA Analyzer | StageFlow |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/audio-rta-analyzer/id6784479397/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 5 days** | Every 3 months |
| Monetization | Free | — |
| Size | 36 MB | 55 MB |
| Requires iOS | **15.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Mateus Polonini Cardoso](https://appshunter.io/developer/1530866903) | [WAME s.r.o.](https://appshunter.io/developer/1494874178) |

## What reviewers say

### Audio RTA Analyzer

[App page](https://appshunter.io/ios/app/audio-rta-analyzer/id6784479397)

This application transforms your mobile device into a real-time audio analysis tool. It allows you to monitor sound frequencies, decibel levels, and identify peaks using your device's microphone, aiding in the tuning and testing of various audio systems.

**Highlights:** Real-time RTA/FFT analyzer, dB meter, Frequency generator, Test tones, noise, and sweeps, Subwoofer test tools, Stereo channel tests

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Audio Analyzer RTA Pro | $1.99 | one-time |


### StageFlow

[App page](https://appshunter.io/ios/app/stageflow/id6793156168)

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

**In-app purchases:** none


## Frequently asked questions

### Is Audio RTA Analyzer free?

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

### Is StageFlow free?

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

### Do Audio RTA Analyzer or StageFlow have ads?

Neither Audio RTA Analyzer nor StageFlow shows ads.

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

Audio RTA Analyzer ships an update every 5 days, and StageFlow every 3 months. Most recently, Audio RTA Analyzer was updated on October 3, 2026 and StageFlow on October 18, 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.*