Motor Power Calculator vs Sensor Multitool
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Motor Power Calculator
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The Motor Power Calculator application calculates the motor power by inputting the motor speed and the force generated by the motor. The power of the motor is calculated in seven units such as watt [W] and horsepower [PS], [HP]. Switch the two modes of the rotational motor and the linear motor at the top of the application screen. In ""ROTATIONAL MOTOR"" mode, input rotational speed and torque, and ""LINEAR MOTOR"" mode input speed and thrust(force).Units supported by this application are as follows. [Power] 7 kinds of [W], [PS], [HP], [kgf · m/s], [kcal/h], [Btu/h], [ft · lbf/s] - Rotational motor - [Rotational speed] 4 kinds of [rpm], [rps], [deg/s], [rad/s] [Torque] 9 kinds of [N · m], [cN · m], [mN · m], [kgf · m], [kgf · cm], [gf · cm], [lbf · ft], [lbf · in], [ozf · in] - Linear motor - [Speed] 2 types of [m/s] and [mm/s] [Thrust] 8 kinds of [N], [kN], [dyn], [kgf], [gf], [tf], [lbf], [pdl]
Sensor Multitool
Access real-time data from your device's built-in sensors, including accelerometer, gyroscope, magnetometer, altimeter, and compass. Choose from three sensitivity modes for raw, balanced, or smoothed data output. Ideal for makers, engineers, and hobbyists.
- Live sensor data dashboard
- Accelerometer, Gyroscope, Magnetometer, Altimeter, Compass
- Three sensitivity modes (Raw, Balanced, Smooth)
- On-device data processing
- Real-time motion, rotation, and magnetic field readings
- Altitude and pressure measurements
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Raw Sensor Multitool gives you instant, real-time access to the raw data streaming from your iPhone's built-in sensors — all in one clean dashboard. Designed for DIY makers, engineers, hobbyists, and anyone who wants to know exactly what their phone is measuring. SENSORS INCLUDED • Accelerometer — Live X, Y, Z forces in g. See gravity, tilt, and motion as raw values. Perfect for understanding how your phone moves in space. • Gyroscope — Real-time rotation rates on all three axes in rad/s. Ideal for robotics, motion tracking, and calibration projects. • Magnetometer — Raw magnetic field strength in microteslas (µT) on X, Y, Z. Detect nearby magnets, map field distortions, or calibrate compass-based projects. • Altimeter — Relative altitude change in meters and absolute barometric pressure in hPa. Zero the baseline at any time with the Reset button. • Compass — Magnetic and true heading in degrees, with a live compass rose and accuracy indicator. Instantly see if your magnetometer needs calibration. THREE SENSITIVITY MODES Tap Raw, Balanced, or Smooth at the top of the dashboard to control how data is filtered: • Raw — No filtering. Full precision. Every sensor update displayed as-is. Best for debugging and precision DIY work. • Balanced — Light smoothing with reduced decimal places. Clean and readable. The default mode. • Smooth — Heavy moving-average filter. Dramatically reduces noise. Best for steady observation and general use. DESIGNED FOR DIY PROJECTS Whether you're building a sensor logger, calibrating a magnetometer array, testing a motion-sensitive prototype, or just curious about your phone's hardware — Raw Sensor Multitool puts the data front and center, with no clutter. All sensor data is processed entirely on-device. Nothing is stored, logged, or transmitted.
Screenshots
Verdict
The clearest difference is price: Sensor Multitool at Free against Motor Power Calculator's $0.99. Sensor Multitool also leads on update cadence (every 3 weeks vs every 8 months). Motor Power Calculator's advantage is in-app purchases (none vs 3) and ads (none vs shown). On 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
Sensor Multitool is free to download; Motor Power Calculator costs $0.99 up front. Sensor Multitool sells 3 one-off in-app purchases. Motor Power Calculator asks for nothing beyond the download.
Motor Power Calculator ships an update every 8 months, Sensor Multitool every 3 weeks. The most recent releases landed on October 12, 2026 and October 5, 2026 respectively.
| Parameter | Motor Power Calculator | Sensor Multitool |
|---|---|---|
| Price | $0.99 | Free — better |
| Rating | — | 5.0 (1 ratings) — better |
| Number of ratings | — | 1 — better |
| Update frequency | Every 8 months | Every 3 weeks — better |
| Ads | No — better | Yes |
| In-app purchases | No — better | Yes |
| Monetization | — | Free with in-app purchases |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 15.6 — better | 17.0 |
| Further details — not scored | ||
| Size | 0 MB | 5 MB |
| Age rating | 4+ | 4+ |
| Developer | Kei Suefuji | Andrew Meyers |
In-app purchases
Motor Power Calculator
No in-app purchases
Sensor Multitool
- Small Donation$0.99
- Medium Donation$2.99
- Large Donation$4.99
Questions
Is Motor Power Calculator free?
Is Sensor Multitool free?
Do Motor Power Calculator or Sensor Multitool have ads?
Which is updated more often, Motor Power Calculator or Sensor Multitool?
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