# Audio Frequency Analyzer vs Displayer

The clearest difference is review sentiment: Audio Frequency Analyzer at 60% against Displayer's 0%. Audio Frequency Analyzer also leads on rating (3.7 vs 3.0) and update cadence (every 8 months vs every 29 months). Displayer's advantage is price ($0.99 vs $9.99) and device support (3 vs 1). On ads, in-app purchases and monetization model there is nothing between them.

Audio Frequency Analyzer costs $9.99 and Displayer $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Audio Frequency Analyzer holds the better App Store score, 3.7 against 3.0. Both are backed by a comparable volume of ratings — 3 and 1 respectively. Written reviews point the same way: 60% of Audio Frequency Analyzer's written reviews are positive against 0% of Displayer's.

Audio Frequency Analyzer ships an update every 8 months, Displayer every 29 months. Both last shipped on September 9, 2026.

## The numbers

| Metric | Audio Frequency Analyzer | Displayer |
| --- | --- | --- |
| Price | $9.99 | **$0.99** |
| Rating | **[3.7 (3 ratings)](https://appshunter.io/ios/app/audio-frequency-analyzer/id684641742/reviews)** | [3.0 (1 ratings)](https://appshunter.io/ios/app/displayer/id743571975/reviews) |
| Number of ratings | **3** | 1 |
| Positive reviews | **60.0% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 8 months** | Every 29 months |
| Monetization | Paid | Paid |
| Size | 0 MB | 10 MB |
| Requires iOS | 26.2 | **11.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [TOON,LLC](https://appshunter.io/developer/633948723) | [Yasuhiro Nakano](https://appshunter.io/developer/743571978) |

## What reviewers say

### Audio Frequency Analyzer

[App page](https://appshunter.io/ios/app/audio-frequency-analyzer/id684641742)

This real-time audio analyzer measures and evaluates sound environments with 1/3 octave band frequency response and FFT analysis. It supports calibration for high accuracy and is suitable for various audio testing and tuning applications.

**Highlights:** Real-time frequency spectrum response measurement (1/3 octave, 30 bands), FFT Analyzer, Observation frequency range: 20 - 23000 Hz, Calibration function for high accuracy, Supports built-in and external microphones, Snapshot and averaging functions

**In-app purchases:** none


### Displayer

[App page](https://appshunter.io/ios/app/displayer/id743571975)

This utility app enables automated video looping on your iPad and iPhone for various business and event scenarios. It offers smooth transitions and a simple interface for displaying promotional or informational videos.

**Highlights:** Automated video looping, Smooth video transitions, Business and event display, Simple one-touch playback, Ad-free experience

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Audio Frequency Analyzer free?

Audio Frequency Analyzer costs $9.99, with no in-app purchases.

### Is Displayer free?

Displayer costs $0.99, with no in-app purchases.

### Which has better reviews, Audio Frequency Analyzer or Displayer?

Audio Frequency Analyzer is rated higher. Audio Frequency Analyzer averages 3.7 out of 5 from 3 ratings, while Displayer averages 3.0 from 1 ratings.

### Do Audio Frequency Analyzer or Displayer have ads?

Neither Audio Frequency Analyzer nor Displayer shows ads.

### Which is updated more often, Audio Frequency Analyzer or Displayer?

Audio Frequency Analyzer ships an update every 8 months, and Displayer every 29 months. Most recently, Audio Frequency Analyzer was updated on September 9, 2026 and Displayer on September 9, 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.*