Physics Toolbox Sensor Suite vs CSiUnits
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Physics Toolbox Sensor Suite
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.
- 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
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Whether you’re a student, educator, researcher, or hobbyist, Physics Toolbox transforms your smartphone’s built-in sensors into a powerful suite of scientific instruments. Easily measure, record, analyze, and export real-time data for a variety of uses—from classroom experiments to cutting-edge research. KINEMATICS G-Force Meter Linear Accelerometer Gyroscope Inclinometer Motion Visualizer (LiDAR-tracked position and velocity) ACOUSTICS Sound Meter Tone Detector Tone Generator Oscilloscope Spectrum Analyzer Spectrogram LIGHT Light Meter Color Detector Proximeter Stroboscope MAGNETISM Compass Magnetometer Magna-AR (AR visualization of magnetic field vectors) OTHER Barometer GPS - latitude, longitude, altitude, speed, direction, number of satellites Ruler-AR (AR-estimated measurements) COMBINATION Multi Record Roller Coaster GAME Play (data-verified challenges)
CSiUnits
This application provides a comprehensive tool for converting units across various scientific disciplines and everyday needs. It offers over 70 conversion options, catering to professionals, students, and anyone requiring precise unit transformations.
- Multiple one-time conversion lists
- Conversions for lifestyle and science
- Over 70 conversion options
- Numeric value input
- Converted values to all possible units
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CSiUnits is an app that helps in conversion of units. Target Users: • Individuals who need simple to complex unit conversion • Engineers, consultants and various professionals • Students and faculty Key Features: • Multiple one time conversion list • Conversions for various lifestyle needs and branches of science • More than 70 conversions to choose from Key Input: • Numeric value to be converted • Selected primary unit Key Output: • Converted values to all possible units
Screenshots
Verdict
The clearest difference is in-app purchases: CSiUnits at none against Physics Toolbox Sensor Suite's 1. CSiUnits also leads on iOS requirement (9.0 vs 16.0). Physics Toolbox Sensor Suite's advantage is review sentiment (81% vs 50%) and ratings volume (1.8K vs 4). On price, rating, ads and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Physics Toolbox Sensor Suite sells 1 one-off in-app purchase. CSiUnits asks for nothing beyond the download.
On the App Store both sit at effectively the same score — 4.7 for Physics Toolbox Sensor Suite against 4.8 for CSiUnits. That said, the two scores are not equally well evidenced: Physics Toolbox Sensor Suite has 1.8K ratings behind it against 4, so its average is the more settled of the two. Written reviews are what separate them: 81% of Physics Toolbox Sensor Suite's written reviews are positive against 50% of CSiUnits's.
Physics Toolbox Sensor Suite ships an update weekly, CSiUnits monthly. The most recent releases landed on October 12, 2026 and September 17, 2026 respectively.
| Parameter | Physics Toolbox Sensor Suite | CSiUnits |
|---|---|---|
| Price | Free | Free |
| Rating | 4.7 (1.8K ratings) | 4.8 (4 ratings) — better |
| Positive reviews | 80.6% of reviews — better | 50.0% of reviews |
| Number of ratings | 1.8K — better | 4 |
| Update frequency | Weekly — better | Monthly |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Free — better |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 16.0 | 9.0 — better |
| Further details — not scored | ||
| Size | 78 MB | 13 MB |
| Age rating | 4+ | 4+ |
| Developer | Chrystian Vieyra | Computers and Structures, Inc. |
Customer experience
Physics Toolbox Sensor Suite
CSiUnits
In-app purchases
Physics Toolbox Sensor Suite
- Upgrade to Pro$5.99
CSiUnits
No in-app purchases
Questions
Is Physics Toolbox Sensor Suite free?
Is CSiUnits free?
Which has better reviews, Physics Toolbox Sensor Suite or CSiUnits?
Do Physics Toolbox Sensor Suite or CSiUnits have ads?
Which is updated more often, Physics Toolbox Sensor Suite or CSiUnits?
Other comparisons
