Comparison

DR.Lissajous 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

DR.Lissajous

Explore the visual patterns created by combining horizontal and vertical electron beam movements. Manipulate amplitudes, frequencies, and phase differences to generate unique spirograph-like curves on your screen.

Highlights
  • Create Lissajous curves
  • Simulate electron beam motion
  • Adjust amplitudes
  • Modify frequencies
  • Change phase difference
  • Generate spirograph patterns
Features
Read full description

Create Lissajous curves by combining the horizontal and the vertical motion of an electron beam on an oscilloscope. Tap the screen to get a spirograph like representation of your curve. Change the amplitudes, the frequencies and the phase difference to change the curve. http://www.youtube.com/watch?v=hN9jMaT_Zu8

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

DR.Lissajous1 screens
Electronics Tools & Calculator4 screens

Verdict

The call

The clearest difference is rating: DR.Lissajous at 4.5 against Electronics Tools & Calculator's 4.0. DR.Lissajous also leads on ads (none vs shown) and review sentiment (50% vs 17%). Electronics Tools & Calculator's advantage is update cadence (every 6 weeks vs every 23 months) and ratings volume (16 vs 2). On price, in-app purchases, 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. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

DR.Lissajous holds the better App Store score, 4.5 against 4.0. That said, the two scores are not equally well evidenced: Electronics Tools & Calculator has 16 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 50% of DR.Lissajous's written reviews are positive against 17% of Electronics Tools & Calculator's.

UpkeepUpdate frequency

DR.Lissajous ships an update every 23 months, Electronics Tools & Calculator every 6 weeks. The most recent releases landed on October 13, 2026 and October 27, 2026 respectively.

Scorecard6 real differences · 4 level
DR.Lissajous versus Electronics Tools & Calculator: the parameters behind the verdict, then further details
ParameterDR.LissajousElectronics Tools & Calculator
PriceFreeFree
Rating4.5 (2 ratings) — better4.0 (16 ratings)
Positive reviews50.0% of reviews — better16.7% of reviews
Number of ratings216 — better
Update frequencyEvery 23 monthsEvery 6 weeks — better
AdsNo — betterYes
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS9.1 — better15.0
Further details — not scored
Size41 MB63 MB
Age rating4+4+
DeveloperDaniel RothAnas Abubakar

Customer experience

DR.Lissajous

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews4 reviews
Positive50.0%
Neutral25.0%
Negative25.0%

Electronics Tools & Calculator

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

In-app purchases

None

DR.Lissajous

No in-app purchases

None

Electronics Tools & Calculator

No in-app purchases

Questions

Is DR.Lissajous free?
DR.Lissajous is free to download, with no in-app purchases.
Is Electronics Tools & Calculator free?
Electronics Tools & Calculator is free to download, with no in-app purchases.
Which has better reviews, DR.Lissajous or Electronics Tools & Calculator?
DR.Lissajous is rated higher. DR.Lissajous averages 4.5 out of 5 from 2 ratings, while Electronics Tools & Calculator averages 4.0 from 16 ratings.
Do DR.Lissajous or Electronics Tools & Calculator have ads?
Electronics Tools & Calculator shows ads; DR.Lissajous does not.
Which is updated more often, DR.Lissajous or Electronics Tools & Calculator?
DR.Lissajous ships an update every 23 months, and Electronics Tools & Calculator every 6 weeks. Most recently, DR.Lissajous was updated on October 13, 2026 and Electronics Tools & Calculator on October 27, 2026.

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