# Physics Toolbox Sensor Suite vs Pocket Seismograph

The clearest difference is in-app purchases: Pocket Seismograph at none against Physics Toolbox Sensor Suite's 1. Pocket Seismograph also leads on iOS requirement (13.0 vs 16.0). Physics Toolbox Sensor Suite's advantage is update cadence (weekly vs every 3 months). On price, ads and device support there is nothing between them.

Both are free to download. Physics Toolbox Sensor Suite sells 1 one-off in-app purchase. Pocket Seismograph asks for nothing beyond the download.

Physics Toolbox Sensor Suite ships an update weekly, Pocket Seismograph every 3 months. The most recent releases landed on November 9, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Physics Toolbox Sensor Suite | Pocket Seismograph |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (1.8K ratings)](https://appshunter.io/ios/app/physics-toolbox-sensor-suite/id1128914250/reviews)** | — |
| Number of ratings | **1.8K** | — |
| Positive reviews | 80.8% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Weekly** | Every 3 months |
| Monetization | Free with in-app purchases | — |
| Size | 80 MB | 23 MB |
| Requires iOS | 16.0 | **13.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Chrystian Vieyra](https://appshunter.io/developer/998187453) | [lapnito.cz s.r.o.](https://appshunter.io/developer/1577358577) |

## What reviewers say

### 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, measuring sound, light, magnetism, and motion. It's ideal for students, educators, researchers, and hobbyists to record, analyze, and export real-time scientific data.

**Highlights:** Measure sound, light, magnetism, and motion, Record, analyze, and export real-time data, Includes G-Force Meter, Accelerometer, Gyroscope, Features Sound Meter, Oscilloscope, Spectrum Analyzer, Light Meter, Color Detector, Stroboscope, Compass, Magnetometer, AR visualization, Barometer, GPS, AR Ruler

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

**In-app purchases (1)**

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


### Pocket Seismograph

[App page](https://appshunter.io/ios/app/pocket-seismograph-vibration/id6766446046)

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

**In-app purchases:** none


## Frequently asked questions

### Is Physics Toolbox Sensor Suite free?

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

### Is Pocket Seismograph free?

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

### Do Physics Toolbox Sensor Suite or Pocket Seismograph have ads?

Neither Physics Toolbox Sensor Suite nor Pocket Seismograph shows ads.

### Which is updated more often, Physics Toolbox Sensor Suite or Pocket Seismograph?

Physics Toolbox Sensor Suite ships an update weekly, and Pocket Seismograph every 3 months. Most recently, Physics Toolbox Sensor Suite was updated on November 9, 2026 and Pocket Seismograph on November 5, 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.*