# SPARKvue 4 vs Physics Toolbox Accelerometer

The clearest difference is ratings volume: SPARKvue 4 at 638 against Physics Toolbox Accelerometer's 5. SPARKvue 4 also leads on update cadence (every 2 months vs every 8 months) and iOS requirement (13.0 vs 16.0). On price, rating, review sentiment and ads there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 1.9 for SPARKvue 4 against 2.0 for Physics Toolbox Accelerometer. That said, the two scores are not equally well evidenced: SPARKvue 4 has 638 ratings behind it against 5, so its average is the more settled of the two. Written reviews are what separate them: 46% of SPARKvue 4's written reviews are positive against 38% of Physics Toolbox Accelerometer's.

SPARKvue 4 ships an update every 2 months, Physics Toolbox Accelerometer every 8 months. The most recent releases landed on October 14, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | SPARKvue 4 | Physics Toolbox Accelerometer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.9 (638 ratings)](https://appshunter.io/ios/app/sparkvue-4/id361907181/reviews) | **[2.0 (5 ratings)](https://appshunter.io/ios/app/physics-toolbox-accelerometer/id1008160133/reviews)** |
| Number of ratings | **638** | 5 |
| Positive reviews | **45.8% of reviews** | 38.5% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 8 months |
| Monetization | Free | Free |
| Size | 91 MB | 15 MB |
| Requires iOS | **13.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [PASCO scientific](https://appshunter.io/developer/361907184) | [Chrystian Vieyra](https://appshunter.io/developer/998187453) |

## What reviewers say

### SPARKvue 4

[App page](https://appshunter.io/ios/app/sparkvue-4/id361907181)

Collect, visualize, and analyze real-time sensor data for STEM education. Wirelessly connect sensors, capture images for analysis, and build custom displays. Share live data and create electronic lab journals for collaborative learning.

**Highlights:** Live sensor data collection, Wireless Bluetooth sensor connection, Multiple data display options, Built-in statistical analysis tools, Interactive lab activities, Electronic student lab journals, Live data sharing

**Features:** Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 🚀 Saved my life
- 🚀 Cured my cancer
- 🚀 Helped me get a girlfriend
- 🚀 Gave me superpowers
- 🚀 Transported me to Syria

**What reviewers complain about**

- 🐛 Crashed my computer
- 🐛 Killed my family
- 🐛 Gave me testicular cancer
- 🐛 Asked for my location
- 🐛 Turned me into a communist

**Reported bugs**

- Caused spontaneous combustion
- Erased all my data
- Triggered a nuclear meltdown
- Turned my dog into a salad bowl
- Gave me a permanent wedgie

**Requested features**

- Add free Fortnite V-Bucks
- Integrate with Tinder
- Allow users to summon demons
- Provide a self-destruct button
- Add support for teleportation


### Physics Toolbox Accelerometer

[App page](https://appshunter.io/ios/app/physics-toolbox-accelerometer/id1008160133)

This app uses your device's accelerometer to measure and graph G-Force and acceleration over time. It allows you to record and export data as a CSV file, making it useful for analyzing motion in vehicles, vibrations, and educational physics experiments.

**Highlights:** Measures G-Force and acceleration, Graphs G-Force vs. Time, Graphs Acceleration vs. Time, Records and exports data as CSV, Analyzes motion in vehicles and vibrations, Useful for classroom physics experiments

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is SPARKvue 4 free?

SPARKvue 4 is free to download, with no in-app purchases.

### Is Physics Toolbox Accelerometer free?

Physics Toolbox Accelerometer is free to download, with no in-app purchases.

### Which has better reviews, SPARKvue 4 or Physics Toolbox Accelerometer?

Physics Toolbox Accelerometer is rated higher. SPARKvue 4 averages 1.9 out of 5 from 638 ratings, while Physics Toolbox Accelerometer averages 2.0 from 5 ratings.

### Do SPARKvue 4 or Physics Toolbox Accelerometer have ads?

Neither SPARKvue 4 nor Physics Toolbox Accelerometer shows ads.

### Which is updated more often, SPARKvue 4 or Physics Toolbox Accelerometer?

SPARKvue 4 ships an update every 2 months, and Physics Toolbox Accelerometer every 8 months. Most recently, SPARKvue 4 was updated on October 14, 2026 and Physics Toolbox Accelerometer on September 23, 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.*