Comparison

Electronic Circuits Calculator vs AVR Projects

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

Head to head
About

Electronic Circuits Calculator

This comprehensive electronics toolkit offers over 130 interactive calculators, circuit tools, and guides. It's designed for users of all levels, from beginners to professionals, to assist with learning, prototyping, and quick calculations in electronics engineering.

Highlights
  • Over 130 interactive calculators
  • Circuit tools and guides
  • Step-by-step explanations and formulas
  • Ideal for learning and prototyping
  • Light and dark mode support
  • Available in 14 languages
Features
Read full description

Electronic Circuits Calculator is your ultimate electronics toolkit β€” featuring over 130 calculators, circuit tools, and guides for beginners and professionals alike. Perfect for electronics enthusiasts, students, hobbyists, and engineers alike, Electronic Circuits Calculator Pro is a powerful reference tool covering essential electronics concepts, components, and circuit design. Whether you're just getting started or need a quick calculation on the go, this app has you covered. Available in 14 Languages: β€’ English, French, German, Indonesian, Italian, Japanese, Polish, Portuguese, Russian, Simplified Chinese, Spanish, Turkish, Ukrainian, and Vietnamese β€” study in your native language! Key Features: β€’ Interactive calculators for circuits β€’ Step-by-step explanations and formulas β€’ Ideal for learning, prototyping, or quick checks β€’ Light and dark mode support Covered Topics: Basic calculators β€’ Ohm's law β€’ Power, voltage and current β€’ Resistive voltage divider β€’ Wheatstone Bridge β€’ RC circuit time constant β€’ Battery life β€’ Additional resistor for voltmeter β€’ Shunt resistor for ammeter. Resistors β€’ Resistor color codes β€’ SMD resistor codes β€’ EIA-96 encoding β€’ Selection of standard resistor values β€’ Series/Parallel connection of resistors β€’ E-series Capacitors β€’ Ceramic disc capacitor codes β€’ Film capacitor codes β€’ Capacitor operating voltage codes β€’ Color codes of film capacitors β€’ SMD capacitor codes β€’ Series connection of capacitors β€’ Parallel connection of capacitors Inductors β€’ Inductor color codes β€’ SMD inductor codes β€’ Parallel/series connection of inductors Diodes β€’ Diodes β€’ Rectifier diodes β€’ Signal diodes β€’ Schottky diodes β€’ Tunnel diodes β€’ Varicaps β€’ Zener diodes Transistors β€’ Bipolar transistors β€’ MOSFETs β€’ JFET transistors β€’ Unijunction transistors β€’ Bipolar transistors with insulated gate. β€’ Darlington transistor pair Thyristors β€’ Thyristors β€’ Lockable thyristors β€’ IGCT thyristors Power supplies β€’ AC parameters β€’ Half-wave rectifier β€’ Full-wave rectifier β€’ Bridge rectifier β€’ Quenching capacitor β€’ Internal resistance of the power supply β€’ Symmetrical voltage doubling rectifier circuit β€’ Three-phase half-wave rectifier β€’ Three-phase bridge rectifier β€’ Voltage multiplier Voltage and current regulators β€’ Voltage regulator on LM317 β€’ Bipolar voltage regulator for LM317 and LM337 β€’ Current source on LM317 β€’ Zener diode reference voltage source β€’ Temperature compensated reference voltage source β€’ TL431 regulator β€’ TL431 regulator with additional transistor Light Emitting Diodes β€’ Resistor for one LED β€’ Resistor for serial/parallel connection of LEDs β€’ 7 segment LED display β€’ Decoder for 7- segment displays CD4511 Photocells β€’ Photodiodes β€’ Photoresistors β€’ Phototransistors β€’ Optocouplers Operational amplifiers β€’ Gain of non-inverting op-amp β€’ Gain of inverting op-amp β€’ Inverting opΒ  β€’ amp with T-bridge in feedback. β€’ Inverting summing op-amp β€’ Differential op-amp β€’ Voltage integrator β€’ Voltage differentiator β€’ Voltage comparator High frequency circuits β€’ Capacitor reactance β€’ Inductor reactance β€’ Convert gain to decibels β€’ Convert dBm to watts β€’ T β€’ Attenuator β€’ Pi attenuator β€’ L β€’ Attenuator β€’ Bridge T β€’ attenuator β€’ Capacitive AC voltage divider β€’ Inductive voltage divider β€’ Frequency and wavelengths Filters β€’ RC low-pass filter β€’ RC high-pass filter β€’ RC bandpass filter β€’ RL low-pass filter β€’ RL high-pass filter β€’ LC low-pass filter β€’ LC high-pass filter Multivibrators β€’ Self- oscillating Multivibrator β€’ Monostable multivibrator β€’ Bistable multivibrator β€’ Multivibrator with diodes 555 Timer β€’ Astable mode β€’ Monostable mode β€’ Bistable mode β€’ Schmitt trigger β€’ Connecting LEDs β€’ Light detector β€’ Relay control Logics β€’ AND. OR, NOT, NAND, NOR, XOR, XNOR β€’ Combination Circuits The application is being actively developed and supplemented with new calculators. Keep for updates!

About

AVR Projects

Features
Read full description

AVR Projects is an app for those who are learning AVR Microcontroller programming, and it contains demo projects for makers, electronic enthusiast and engineering students. It focuses on ATmega328p, which is a microcontroller IC on Arduino Uno, and Atmel (Microchip) Studio IDE. * Learn AVR Microcontroller Programming with example codes in Embedded written on Atmel Studio IDE, Proteus simulation files, circuit diagrams and descriptions. * Easy to access sensors and ICs’s datasheets. More projects will be added soon!

Screenshots

Electronic Circuits Calculator4 screens
AVR Projects4 screens

Verdict

The call

The clearest difference is in-app purchases: Electronic Circuits Calculator at none against AVR Projects's 10. AVR Projects's advantage is ads (none vs shown) and update cadence (daily vs every 2 months). On price, device support and iOS requirement there is nothing between them.

Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS

CostPrice Β· In-app purchases Β· Ads Β· Monetization

Both are free to download. AVR Projects sells 10 one-off in-app purchases. Electronic Circuits Calculator asks for nothing beyond the download.

UpkeepUpdate frequency

Electronic Circuits Calculator ships an update every 2 months, AVR Projects daily. The most recent releases landed on September 24, 2026 and October 12, 2026 respectively.

Scorecard3 real differences Β· 5 level
Electronic Circuits Calculator versus AVR Projects: the parameters behind the verdict, then further details
ParameterElectronic Circuits CalculatorAVR Projects
PriceFreeFree
Positive reviews0.0% of reviewsβ€”
Update frequencyEvery 2 monthsDaily β€” better
AdsYesNo β€” better
In-app purchasesNo β€” betterYes
MonetizationAd-supportedβ€”
DevicesiPhone, iPadiPhone, iPad
Requires iOS16.0 β€” better17.0
Further details β€” not scored
Size21 MB20 MB
Age rating4+4+
DeveloperALG Software LabZaw Win Myat

In-app purchases

None

Electronic Circuits Calculator

No in-app purchases

10 purchases

AVR Projects

One-time10
  • R2R Ladder DAC$0.99
  • Sawtooth Waveform$0.99
  • Triangular Waveform$0.99
Show 7 more
  • Sine Waveform$0.99
  • Ammeter AVR$0.99
  • 4x3 Matrix Keypad$0.99
  • Ohm Meter AVR$0.99
  • Voltmeter AVR$0.99
  • TM1637 Interfacing with AVR$0.99
  • Graphic LCD Interfacing$0.99

Questions

Is Electronic Circuits Calculator free?
Electronic Circuits Calculator is free to download, with no in-app purchases.
Is AVR Projects free?
AVR Projects is free to download, with in-app purchases available.
Do Electronic Circuits Calculator or AVR Projects have ads?
Electronic Circuits Calculator shows ads; AVR Projects does not.
Which is updated more often, Electronic Circuits Calculator or AVR Projects?
Electronic Circuits Calculator ships an update every 2 months, and AVR Projects daily. Most recently, Electronic Circuits Calculator was updated on September 24, 2026 and AVR Projects on October 12, 2026.

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