# Audio Frequency Analyzer vs Vibration Meter, seismograph

The clearest difference is price: Vibration Meter, seismograph at Free against Audio Frequency Analyzer's $9.99. Vibration Meter, seismograph also leads on rating (4.7 vs 3.7) and ratings volume (717 vs 3). Audio Frequency Analyzer's advantage is in-app purchases (none vs 1) and review sentiment (60% vs 42%). On update cadence and ads there is nothing between them.

Vibration Meter, seismograph is free to download; Audio Frequency Analyzer costs $9.99 up front. Vibration Meter, seismograph sells 1 one-off in-app purchase. Audio Frequency Analyzer asks for nothing beyond the download.

Vibration Meter, seismograph holds the better App Store score, 4.7 against 3.7. That said, the two scores are not equally well evidenced: Vibration Meter, seismograph has 717 ratings behind it against 3, so its average is the more settled of the two. Written reviews complicate that: 60% of Audio Frequency Analyzer's written reviews are positive against 42% of Vibration Meter, seismograph's, so the app with the better star average is not the one people write more warmly about.

Audio Frequency Analyzer ships an update every 8 months, Vibration Meter, seismograph every 7 months. The most recent releases landed on October 12, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | Audio Frequency Analyzer | Vibration Meter, seismograph |
| --- | --- | --- |
| Price | $9.99 | **Free** |
| Rating | [3.7 (3 ratings)](https://appshunter.io/ios/app/audio-frequency-analyzer/id684641742/reviews) | **[4.7 (717 ratings)](https://appshunter.io/ios/app/vibration-meter-seismograph/id1137580201/reviews)** |
| Number of ratings | 3 | **717** |
| Positive reviews | **60.0% of reviews** | 41.7% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 8 months | **Every 7 months** |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 0 MB | 18 MB |
| Requires iOS | 26.2 | **12.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [TOON,LLC](https://appshunter.io/developer/633948723) | [ExaMobile S.A.](https://appshunter.io/developer/506014841) |

## 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


### Vibration Meter, seismograph

[App page](https://appshunter.io/ios/app/vibration-meter-seismograph/id1137580201)

This application uses your phone's accelerometer to measure and record vibrations from various sources, including earthquakes and everyday objects. It displays ground motion on a graph and uses an instrumental intensity scale for analysis. You can also monitor and share your measurement results.

**Highlights:** Measures vibration strength, Detects seismic waves, Uses accelerometer for analysis, Displays ground motion graph, Utilizes instrumental intensity scale, Monitors and shares results

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove ads | $1.99 | one-time |


## Frequently asked questions

### Is Audio Frequency Analyzer free?

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

### Is Vibration Meter, seismograph free?

Vibration Meter, seismograph is free to download, with in-app purchases available.

### Which has better reviews, Audio Frequency Analyzer or Vibration Meter, seismograph?

Vibration Meter, seismograph is rated higher. Audio Frequency Analyzer averages 3.7 out of 5 from 3 ratings, while Vibration Meter, seismograph averages 4.7 from 717 ratings.

### Do Audio Frequency Analyzer or Vibration Meter, seismograph have ads?

Neither Audio Frequency Analyzer nor Vibration Meter, seismograph shows ads.

### Which is updated more often, Audio Frequency Analyzer or Vibration Meter, seismograph?

Audio Frequency Analyzer ships an update every 8 months, and Vibration Meter, seismograph every 7 months. Most recently, Audio Frequency Analyzer was updated on October 12, 2026 and Vibration Meter, seismograph 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.*