Comparison

Physics Toolbox Sensor Suite vs Bubble Level

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

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.

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
Read full description

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)

About

Bubble Level

Transform your device into a precise spirit level and inclinometer. Features innovative face-down measurement, dual bullseye and tubular levels, and audio/haptic feedback for accurate alignment in various projects.

Highlights
  • Face-down precision mode
  • Dual bullseye and tubular levels
  • Audio and haptic zero feedback
  • Relative zero and calibration
  • Angle lock/hold
  • Digital angle readout
Features
Read full description

Turn your phone into a professional, high-precision spirit level and inclinometer! Whether you are hanging picture frames, aligning a TV wall mount, leveling a tripod, or tackling carpentry and DIY projects, Bubble Level: Spirit & Angle delivers workshop-grade precision with a sleek, modern interface. --- WHY CHOOSE THIS BUBBLE LEVEL? --- • INNOVATIVE FACE-DOWN PRECISION MODE Tired of inaccurate measurements caused by bulky rear camera bumps? Simply place your phone face-down on its 100% flat front glass, tap the 3-second or 5-second countdown timer, and let the app measure. An intuitive phone-back diagram highlights the corner or side to raise. • DUAL BULLSEYE & TUBULAR LEVELS - 360° Bullseye Level: Measures 2D surface inclination in all directions simultaneously with realistic fluid damping physics. - Tubular Spirit Vial: Classic horizontal level for single-axis edge leveling, shelf alignment, and corner checks. • AUDIO & HAPTIC ZERO FEEDBACK Hear a crisp audio tone and feel a subtle vibration tick the exact millisecond you reach perfect 0.0° level. No need to squint at the screen when working in tight, dark, or awkward spaces. • RELATIVE ZERO & CALIBRATION Calibrate against any angled reference surface to measure relative slopes, bevels, and pitch angles with a single tap. • ANGLE LOCK / HOLD Freeze your live measurement on screen so you can easily inspect readings after pulling the phone away from awkward corners. --- COMMON USE CASES --- • Home & Decor: Picture frames, mirrors, wall-mounted TVs, shelves, and wall art. • Carpentry & DIY: Tables, furniture assembly, tiling, and cutting guides. • Photography & Video: Leveling tripods, camera rigs, and gimbals. • Camping & RV: Leveling RVs, travel trailers, camping tables, and portable stoves. --- KEY FEATURES --- • High-precision accelerometer & gyroscope calculation engine • Crisp digital angle readout down to 0.1° accuracy • Sound & haptic vibration feedback at 0.0° balance • Face-Down measurement with countdown timer (bypasses camera bumps) • Relative zero angle calibration • Clean, eye-friendly dark titanium design • Sensor measurements are processed on your device. See our privacy policy for advertising data use. • Optional one-time In-App Purchase to remove all ads permanently Download Bubble Level: Spirit & Angle today for fast, reliable, and hassle-free leveling!

Screenshots

Physics Toolbox Sensor Suite4 screens
Bubble Level4 screens

Verdict

The call

The clearest difference is ads: Physics Toolbox Sensor Suite at none against Bubble Level's shown. Physics Toolbox Sensor Suite also leads on ratings volume (1.8K vs 2). Bubble Level's advantage is rating (5.0 vs 4.7). On price, update cadence, in-app purchases and monetization model 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Physics Toolbox Sensor Suite sells 1 one-off in-app purchase and Bubble Level sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Bubble Level holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: Physics Toolbox Sensor Suite has 1.8K ratings behind it against 2, so its average is the more settled of the two.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly weekly. The most recent releases landed on October 29, 2026 and October 24, 2026 respectively.

Scorecard3 real differences · 7 level
Physics Toolbox Sensor Suite versus Bubble Level: the parameters behind the verdict, then further details
ParameterPhysics Toolbox Sensor SuiteBubble Level
PriceFreeFree
Rating4.7 (1.8K ratings)5.0 (2 ratings) — better
Positive reviews80.8% of reviews—
Number of ratings1.8K — better2
Update frequencyWeeklyWeekly
AdsNo — betterYes
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS16.015.0 — better
Further details — not scored
Size79 MB8 MB
Age rating4+4+
DeveloperChrystian VieyraTianyu Lu

Customer experience

Physics Toolbox Sensor Suite

All ratings1,819 ratings
Positive93.8%
Neutral2.9%
Negative3.4%
Written reviews125 reviews
Positive80.8%
Neutral8.0%
Negative11.2%

Bubble Level

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

1 purchases

Physics Toolbox Sensor Suite

One-time1
  • Upgrade to Pro$5.99
1 purchases

Bubble Level

One-time1
  • Remove Ads$1.99

Questions

Is Physics Toolbox Sensor Suite free?
Physics Toolbox Sensor Suite is free to download, with in-app purchases available.
Is Bubble Level free?
Bubble Level is free to download, with in-app purchases available.
Which has better reviews, Physics Toolbox Sensor Suite or Bubble Level?
Bubble Level is rated higher. Physics Toolbox Sensor Suite averages 4.7 out of 5 from 1.8K ratings, while Bubble Level averages 5.0 from 2 ratings.
Do Physics Toolbox Sensor Suite or Bubble Level have ads?
Bubble Level shows ads; Physics Toolbox Sensor Suite does not.
Which is updated more often, Physics Toolbox Sensor Suite or Bubble Level?
Physics Toolbox Sensor Suite ships an update weekly, and Bubble Level weekly. Most recently, Physics Toolbox Sensor Suite was updated on October 29, 2026 and Bubble Level on October 24, 2026.

Other comparisons