# Audio Frequency Analyzer vs Physics Toolbox Sensor Suite

The clearest difference is price: Physics Toolbox Sensor Suite at Free against Audio Frequency Analyzer's $9.99. Physics Toolbox Sensor Suite also leads on rating (4.7 vs 3.7) and update cadence (weekly vs every 8 months). Audio Frequency Analyzer's advantage is in-app purchases (none vs 1). On ads and device support there is nothing between them.

Physics Toolbox Sensor Suite is free to download; Audio Frequency Analyzer costs $9.99 up front. Physics Toolbox Sensor Suite sells 1 one-off in-app purchase. Audio Frequency Analyzer asks for nothing beyond the download.

Physics Toolbox Sensor Suite holds the better App Store score, 4.7 against 3.7. That said, the two scores are not equally well evidenced: Physics Toolbox Sensor Suite has 1.8K ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 60% of Audio Frequency Analyzer's written reviews are positive against 81% of Physics Toolbox Sensor Suite's.

Audio Frequency Analyzer ships an update every 8 months, Physics Toolbox Sensor Suite weekly. The most recent releases landed on September 26, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | Audio Frequency Analyzer | Physics Toolbox Sensor Suite |
| --- | --- | --- |
| Price | $9.99 | **Free** |
| Rating | [3.7 (3 ratings)](https://appshunter.io/ios/app/audio-frequency-analyzer/id684641742/reviews) | **[4.7 (1.8K ratings)](https://appshunter.io/ios/app/physics-toolbox-sensor-suite/id1128914250/reviews)** |
| Number of ratings | 3 | **1.8K** |
| Positive reviews | 60.0% of reviews | **80.6% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 8 months | **Weekly** |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 0 MB | 78 MB |
| Requires iOS | 26.2 | **16.0** |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [TOON,LLC](https://appshunter.io/developer/633948723) | [Chrystian Vieyra](https://appshunter.io/developer/998187453) |

## 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


### Physics Toolbox Sensor Suite

[App page](https://appshunter.io/ios/app/physics-toolbox-sensor-suite/id1128914250)

This app turns your smartphone into a scientific instrument suite, enabling measurement, recording, analysis, and export of real-time sensor data. It offers tools for kinematics, acoustics, light, magnetism, and more, suitable for students, educators, researchers, and hobbyists.

**Highlights:** Real-time sensor data measurement, Data recording and analysis, Data export functionality, Kinematics tools (accelerometer, gyroscope), Acoustics tools (sound meter, oscilloscope), Magnetism tools (compass, magnetometer), AR visualization for magnetic fields and measurements

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Upgrade to Pro | $5.99 | one-time |


## Frequently asked questions

### Is Audio Frequency Analyzer free?

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

### Is Physics Toolbox Sensor Suite free?

Physics Toolbox Sensor Suite is free to download, with in-app purchases available.

### Which has better reviews, Audio Frequency Analyzer or Physics Toolbox Sensor Suite?

Physics Toolbox Sensor Suite is rated higher. Audio Frequency Analyzer averages 3.7 out of 5 from 3 ratings, while Physics Toolbox Sensor Suite averages 4.7 from 1.8K ratings.

### Do Audio Frequency Analyzer or Physics Toolbox Sensor Suite have ads?

Neither Audio Frequency Analyzer nor Physics Toolbox Sensor Suite shows ads.

### Which is updated more often, Audio Frequency Analyzer or Physics Toolbox Sensor Suite?

Audio Frequency Analyzer ships an update every 8 months, and Physics Toolbox Sensor Suite weekly. Most recently, Audio Frequency Analyzer was updated on September 26, 2026 and Physics Toolbox Sensor Suite on October 12, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*