Comparison

Electronic Circuits Calc Pro vs PreciseLight

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

Head to head
About

Electronic Circuits Calc Pro

Features
Currently charting
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Electronic Circuits Calc Pro is your ultimate electronics toolkit — 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. Key Features: • Interactive calculators for circuits • Step-by-step explanations and formulas • Ideal for learning, prototyping, or quick checks • Full-text search for instant access to any topic • Designed for both light & dark modes Available in 14 Languages: • English, French, German, Indonesian, Italian, Japanese, Polish, Portuguese, Russian, Simplified Chinese, Spanish, Turkish, Ukrainian, and Vietnamese — study in your native language! Categories Included: Basic calculators • Ohm's Law • Power, voltage and current • Resistive voltage divider • Wheatstone Bridge • RC circuit time constant • Battery Life • Additional resistor for voltmeter • Shunt resistor for ammeter Resistors • Resistor color codes • SMD resistor codes • EIA-96 Encoding • Standard values finder for resistor • Series resistors • Parallel resistors • E series Capacitors • Ceramic disc capacitors codes • Film capacitors codes • Capacitor working voltage codes • Film capacitors colour codes • SMD Tantalum electrolytic capacitors codes • Series capacitors • Parallel capacitors Inductors • Inductor color codes • SMD inductors codes • Series inductors Diodes • Diodes • Rectifier diodes • Signal diodes • Schottky diode • Tunnel diode • Varicap • Zener diode Transistors • Bipolar transistors • Metal-Oxide-Semiconductor Field-Effect Transistor • Junction Field-Effect Transistor • Unijunction transistor • Insulated gate bipolar transistor • Darlington transistor pair Thyristors • Thyristors • Gate Turn-Off Thyristor • TRIAC • DIAC • IGCT thyristor • MOS-Controlled Thyristor • Programmable unijunction transistor PowerSupplies • AC parameters and rectified value • Half-wave rectifier • Full-wave rectifier • Bridge rectifier • Capacitive power supply • Power source internal resistance • Symmetrical voltage doubling rectifier circuit • Three-Phase Half-Wave Rectifier • Three-phase bridge rectifier • Voltage multiplier Voltage and current regulators • LM317 Voltage regulator calculator • Bipolar voltage regulator for LM317 and LM337 • LM317 Current Source calculator • Zener reference voltage source • Thermally compensated voltage reference • Calculation of the stabilizer on TL431 • The TL431 stabilizer with additional transistor LED • Introduction of LEDs • LED Single Resistor calculator • LED Series Resistor calculator • LED Parallel Resistor calculator • 7-segment LED display • Decoder (driver) for 7-segment displays CD4511 Photocells • Photodiode • Photoresistor • Phototransistor • Optocoupler OP • Non-Inverting OP Amplifer Gain calculator • Inverting OP Amplifier Gain calculator • Inverting amplifier with T-bridge in feedback • Inverting summing OP Amplifier • Differential OP amplifier • OP Voltage integrator • OP Voltage Differentiator • OP Voltage comparator Frequency • Capacitor reactance • Reactance of an inductance coil • Gain conversion to decibels • dBm to Watts conversion • T-Attenuator • Pi-Attenuator • L-Attenuator • Bridged T-Attenuator • Capacitive AC Voltage Divider • Inductive Voltage Divider • Frequency and wavelengths Filters • RC Pass Filter • RC Band pass filter • RL filter • LC Pass Filter Timers • Astable multivibrator • Monostable (waiting) multivibrator • Bistable multivibrator • Multivibrator with additional diodes • NE555 Astable Multivibrator • NE555 Monostable Multivibrator Logic gates: - AND. OR, NOT, NAND, NOR, XOR, XNOR The application is being actively developed and supplemented with new calculators. Keep for updates!

About

PreciseLight

Features
Read full description

Precisely control your iPhone flashlight from 0–100%. PreciseLight makes it easy to set the perfect brightness, then save it as a preset or favorite for one-tap access. A clean, single-screen design keeps everything fast and simple—ideal for night use, emergencies, and everyday lighting.

Screenshots

Electronic Circuits Calc Pro4 screens
PreciseLight4 screens

Verdict

The call

The clearest difference is price: PreciseLight at Free against Electronic Circuits Calc Pro's $4.99. Electronic Circuits Calc Pro's advantage is chart position (#193 vs unranked). On ads, in-app purchases, device support and iOS requirement 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

PreciseLight is free to download; Electronic Circuits Calc Pro costs $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Scorecard2 real differences · 5 level
Electronic Circuits Calc Pro versus PreciseLight: the parameters behind the verdict, then further details
ParameterElectronic Circuits Calc ProPreciseLight
Price$4.99Free — better
Update frequencyEvery 6 weeks—
AdsNoNo
In-app purchasesNoNo
Best chart rank#193 — better—
DevicesiPhone, iPad, Mac — betteriPhone, iPod
Requires iOS16.015.1 — better
Further details — not scored
Size19 MB27 MB
Age rating4+4+
DeveloperALG Software LabTAKAAKI KAWABATA

In-app purchases

None

Electronic Circuits Calc Pro

No in-app purchases

None

PreciseLight

No in-app purchases

Questions

Is Electronic Circuits Calc Pro free?
Electronic Circuits Calc Pro costs $4.99, with no in-app purchases.
Is PreciseLight free?
PreciseLight is free to download, with no in-app purchases.
Do Electronic Circuits Calc Pro or PreciseLight have ads?
Neither Electronic Circuits Calc Pro nor PreciseLight shows ads.

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