Comparison

Physics Toolbox Magnetometer vs Electronics Tools & Calculator

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

Head to head
About

Physics Toolbox Magnetometer

This app transforms your iPhone into a precise scientific instrument for measuring, visualizing, and recording magnetic fields. Explore magnetic field vectors, magnitudes, and compass headings with real-time charts and digital readouts. Ideal for educational experiments, lab work, or curious exploration.

Highlights
  • Real-time magnetic field vector and magnitude display
  • Chart, digital, and compass viewing modes
  • Data recording and CSV export
  • Adjustable sample rate (1-100 Hz)
  • Signal filters for noise reduction
  • Detection of permanent and electromagnetic fields
Features
Read full description

Measure, visualize, and record magnetic fields with precision — right from your iPhone. Physics Toolbox Magnetometer displays the magnetic field vector in x, y, and z dimensions along with total magnitude in microteslas (µT) or gauss, giving you the data you need for serious lab work or casual exploration. Three ways to view your data: - Chart — real-time graph with toggleable axes, adjustable line width, and fullscreen mode - Digital — large numeric readout for quick at-a-glance measurements - Compass — live heading with True North and Magnetic North display Built for the lab and the field: - Record and export data as CSV for analysis in other software - Adjustable sample rate from 1 to 100 Hz - Signal filters to reduce noise - Detects permanent magnets, electromagnetic fields, and background geomagnetic field Classroom-ready experiments: The magnetometer is well-suited for determining the inverse-square law for a point-source magnet, measuring the magnetic field produced by a solenoid, or capturing the periodic field variations of audio speakers and magnetic plate stirrers. Whether you are a physics student, teacher, engineer, or curious mind, Physics Toolbox Magnetometer turns your device into a capable scientific instrument.

About

Electronics Tools & Calculator

This app serves as a pocket-sized electronics lab, offering a comprehensive reference for components and circuits. It simplifies complex calculations for filters, inductors, and various circuit configurations, aiding both engineers and hobbyists in their design processes.

Highlights
  • Electronic component reference
  • Electronic circuit reference
  • Filter design calculators
  • Inductor winding calculators
  • Transformer winding calculators
  • Resistor and capacitor calculations
  • Ohm's law and power calculations
Features
Read full description

Calculate, simulate, and understand electronic circuits with more than 60 calculators, interactive tools, and illustrated engineering references. Electronics Tools & Calculator is an all-in-one toolkit for students, engineers, technicians, makers, and electronics enthusiasts. Use it to study circuit theory, select components, check designs, or troubleshoot projects with practical calculators and clear circuit visuals. MORE THAN 60 ELECTRONICS CALCULATORS Solve problems across a wide range of topics: • Ohm’s law, voltage, current, resistance, and power • Series and parallel resistors and capacitors • Four-band, five-band, and SMD resistor codes • Voltage and current dividers • DC power and ripple voltage • RC, RL, LC, and RLC circuits • LED resistor and parallel LED calculations • Capacitor and inductor charging • Star-to-delta and delta-to-star conversions ACTIVE AND PASSIVE FILTER DESIGN Design and explore: • RC, RL, and LC filters • Butterworth and Chebyshev filters • Active and passive filters • Sallen-Key active filters • Band-pass and band-reject filters • Twin-T notch filters Selected advanced calculators include response graphs, helping you visualize how component values affect circuit behavior. AMPLIFIERS AND SEMICONDUCTORS Work with practical tools for: • 555 timer astable and monostable circuits • BJT analysis, biasing, Q-point, and switching • MOSFET switching • Inverting, non-inverting, and difference amplifiers • Class A, Class B, and Class AB amplifiers • Differential amplifiers and current mirrors • LM386 audio amplifier circuits POWER, RF, AND DESIGN TOOLS Explore calculations for: • Linear regulators and heat dissipation • Buck and boost converters • Rectifiers and Zener regulators • Clippers, clampers, and voltage multipliers • PCB trace width • Air-core and multilayer inductors • Transformers • Coaxial cables and waveguides • Antenna length and skin depth • dBm, watts, and decibel conversions • Servo and stepper motors DIGITAL ELECTRONICS Study essential digital circuits with clear diagrams and truth tables: • Logic gates • Flip-flops and counters • Multiplexers and demultiplexers • Encoders and decoders • Shift registers • Common digital integrated circuits INTERACTIVE CIRCUIT TOOLS Explore circuit behavior through interactive simulations and strong visual explanations. Adjust values, examine circuit configurations, and connect formulas with practical electronic designs. ILLUSTRATED ELECTRONICS REFERENCES Access more than 30 guides covering resistors, capacitors, inductors, transformers, diodes, BJTs, MOSFETs, IGBTs, UJTs, SCRs, DIACs, TRIACs, operational amplifiers, regulators, 555 timers, sensors, digital logic, Arduino boards, and ATmega microcontrollers. The guides combine explanations, equations, circuit diagrams, pinouts, truth tables, and practical notes to connect theory with real-world applications. DESIGNED FOR FASTER WORK • Search calculators by name • Save frequently used tools to Favorites • View response graphs in selected calculators • Export results from selected tools as PDF documents • Automatically switch between light and dark appearance • Use an interface designed for phones and larger screens • Choose from 15 supported languages • Access additional features through optional Pro tools Whether you are learning electronics, designing a filter, analyzing an amplifier, or checking values at the workbench, Electronics Tools & Calculator keeps useful tools and references close at hand. Important: This app is intended for education and design assistance. Always verify calculations, component ratings, circuit requirements, and safety considerations before building or operating electronic equipment.

Screenshots

Physics Toolbox Magnetometer4 screens
Electronics Tools & Calculator4 screens

Verdict

The call

The clearest difference is review sentiment: Physics Toolbox Magnetometer at 80% against Electronics Tools & Calculator's 17%. Physics Toolbox Magnetometer also leads on rating (5.0 vs 4.0) and ads (none vs shown). Electronics Tools & Calculator's advantage is in-app purchases (none vs 1) and update cadence (every 6 weeks vs every 13 months). On price, ratings volume, monetization model 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Physics Toolbox Magnetometer sells 1 one-off in-app purchase. Electronics Tools & Calculator asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Physics Toolbox Magnetometer holds the better App Store score, 5.0 against 4.0. Both are backed by a comparable volume of ratings — 7 and 16 respectively. Written reviews point the same way: 80% of Physics Toolbox Magnetometer's written reviews are positive against 17% of Electronics Tools & Calculator's.

UpkeepUpdate frequency

Physics Toolbox Magnetometer ships an update every 13 months, Electronics Tools & Calculator every 6 weeks. The most recent releases landed on October 9, 2026 and October 13, 2026 respectively.

Scorecard6 real differences · 4 level
Physics Toolbox Magnetometer versus Electronics Tools & Calculator: the parameters behind the verdict, then further details
ParameterPhysics Toolbox MagnetometerElectronics Tools & Calculator
PriceFreeFree
Rating5.0 (7 ratings) — better4.0 (16 ratings)
Positive reviews80.0% of reviews — better16.7% of reviews
Number of ratings716 — better
Update frequencyEvery 13 monthsEvery 6 weeks — better
AdsNo — betterYes
In-app purchasesYesNo — better
MonetizationFreeFree
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS17.115.0 — better
Further details — not scored
Size17 MB63 MB
Age rating4+4+
DeveloperChrystian VieyraAnas Abubakar

Customer experience

Physics Toolbox Magnetometer

All ratings7 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews5 reviews
Positive80.0%
Neutral20.0%
Negative0.0%

Electronics Tools & Calculator

All ratings16 ratings
Positive75.0%
Neutral0.0%
Negative25.0%
Written reviews6 reviews
Positive16.7%
Neutral0.0%
Negative83.3%

In-app purchases

1 purchases

Physics Toolbox Magnetometer

One-time1
  • Pro Upgrade$2.99
None

Electronics Tools & Calculator

No in-app purchases

Questions

Is Physics Toolbox Magnetometer free?
Physics Toolbox Magnetometer is free to download, with in-app purchases available.
Is Electronics Tools & Calculator free?
Electronics Tools & Calculator is free to download, with no in-app purchases.
Which has better reviews, Physics Toolbox Magnetometer or Electronics Tools & Calculator?
Physics Toolbox Magnetometer is rated higher. Physics Toolbox Magnetometer averages 5.0 out of 5 from 7 ratings, while Electronics Tools & Calculator averages 4.0 from 16 ratings.
Do Physics Toolbox Magnetometer or Electronics Tools & Calculator have ads?
Electronics Tools & Calculator shows ads; Physics Toolbox Magnetometer does not.
Which is updated more often, Physics Toolbox Magnetometer or Electronics Tools & Calculator?
Physics Toolbox Magnetometer ships an update every 13 months, and Electronics Tools & Calculator every 6 weeks. Most recently, Physics Toolbox Magnetometer was updated on October 9, 2026 and Electronics Tools & Calculator on October 13, 2026.

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