Comparison

ECE Reviewer (PERCApp) vs Power Electronics

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

Head to head
About

ECE Reviewer (PERCApp)

Features
Read full description

A mobile platform that can be useful for Reviewees, Students, and Instructors.

About

Power Electronics

This quiz app covers over 70 topics in power electronics, including switches, drive circuits, regulators, and various electronic components. It's designed to help users master the subject through interactive learning.

Highlights
  • Over 70 power electronics topics
  • Covers switches, drive circuits, regulators
  • Detailed component listings
  • Interactive quiz format
  • Master power electronics concepts
Features
Read full description

Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Power Electronics is a quiz app made up of over 70 different topics in Power Electronics. You can access topics such as: Power Semiconductor Switches,Drive Circuits,Rectifiers,DC–DC Linear Regulators, DC–DC Switched-Mode Converters,DC–AC Switched-Mode Converters,Design of Magnetics,Modeling of Systems,Control System Essentials, Digital Controller -Diodes -Bipolar Power Transistors -Power MOSFETs -Insulated Gate Bipolar Transistor (IGBT) -Thyristor Family -Transistor Drive Circuits -MOSFET Drive Circuits -Generic Linear Regulator -Linear Regulator Topologies -Parameters of the Linear Regulator -Analysis of a Series Regulator -Analysis of a Current Regulator -Electric bell -Three pole isolator -Not connected wires -SPST toggle switch -SPDT toggle switch -Earth ground -Chassis ground -Digital/Common ground -Bus -Resistor(IEEE) -Resistor(IEC) -Potentiometer(IEEE) -Potentiometer(IEC) -Thermistor -Variable resistor(IEC) -Variable resistor(IEEE) -Trimmer resistor -Light bulb -Non polarized capacitor -Polarized capacitor -Variable capacitor -Variable inductor -Iron core inductor -AC Voltage source -DC Voltage source -Current source -Generator -Battery cell -Control voltage source -Control current source -Ohmmeter -Zener diode -Schottky diode -PN junction diode -Photo diode -Varicap diode(Varactor) -Tunnel diode -Light Emitting diode(LED) -Electric motor -NPN Bipolar transistor -PNP Bipolar transistor -Buzzer -Loud speaker -Microphone -Analog to digital converter -Digital to analog converter -Operational amplifier -Schmitt trigger -Crystal oscillator -Dipole antenna -NOT gate (Inverter) -Antenna -AND gate -OR gate -NAND gate -NOR gate -XOR gate -D Flip-Flop -Pulse -Saw tooth -Step function -Solder bridge -Jumper -Sinusoidal generator -Pulse generator -Triangular wave generator -Basic amplifier -Center tapped transformer -Milli ammeter -Milli voltmeter -Micro ammeter -Light dependent resistor(IEC) -Light dependent resistor(IEEE) -Voltmeter -AC contactor coil -DC contactor coil -AC solenoid coil -DC solenoid coil -Iron core center tapped inductor -Ferrite core center tapped inductor -Attenuator -Current transformer -Buffer -Constant current source -Constant current diode -Circuit breaker -Center tapped inductor -DIP switch -Laser diode -Electrical interlock -Bridge rectifier -4-pole isolator -Feed through capacitor -Loop antenna -Flashing led -Normally open limit switch -Normally close limit switch -DPDT switch -DPST switch -Normally close contact -Normally open push button -Fused isolator -Contactor poles -Three phase supply -Thermal relay -Squirrel cage induction motor -Wound rotor induction motor -Rectifier -Normally open timer contact -Normally close timer contact -Emergency stop push button -Transducer -Tri state buffer -Power outlet -XNOR gate -Thyristor -Three phase induction motor -Emergency switch -Memristor -Normally open thermal relay contact -Normally close thermal relay contact -N-channel FET -P-channel FET -Cathod Ray Oscilloscope (CRO) -DC motor -Photo transistor -Photo darlington -Single phase motor -Opto-isolator(optocoupler) -Relay coil -Relay switch -Solenoid valve -Thermocouple -AC to DC converter -DC to AC converter -DC to DC converter -Cavity resonator -Ceramic resonator -Coaxial cable -Crystal microphone -Current limiting diode -Darlington transistor -Delay line -Globe valve -Butterfly valve -Gate valve -Ball valve -Star winding configuration -Delta winding configuration -Lab winding configuration -Wave winding configuration -Female contact -Male contact -Female plug -Male plug -Galvanometer -Synchronoscope -Varmeter -Tachometer -Normally open flow switch -Normally close flow switch -Normally open level sensor -Normally close level sensor -Enhancement MOSFET -Depletion MOSFET -Solar cell -Thermal switch -Solar panel -Triac -Gunn diode -Single phase motor -Thermocouple -Touch sensor -Noise source -Power factor meter

Screenshots

ECE Reviewer (PERCApp)4 screens
Power Electronics4 screens

Verdict

The call

The clearest difference is ads: Power Electronics at none against ECE Reviewer (PERCApp)'s shown. ECE Reviewer (PERCApp)'s advantage is update cadence (every 3 weeks vs every 2 months) and device support (3 vs 1). On price and in-app purchases 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. ECE Reviewer (PERCApp) sells 11 one-off in-app purchases and Power Electronics sells 6 in-app purchases, starting at $9.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

ECE Reviewer (PERCApp) ships an update every 3 weeks, Power Electronics every 2 months. The most recent releases landed on October 1, 2026 and October 6, 2026 respectively.

Scorecard4 real differences · 5 level
ECE Reviewer (PERCApp) versus Power Electronics: the parameters behind the verdict, then further details
ParameterECE Reviewer (PERCApp)Power Electronics
PriceFreeFree
Rating—5.0 (1 ratings) — better
Number of ratings—1 — better
Update frequencyEvery 3 weeks — betterEvery 2 months
AdsYesNo — better
In-app purchasesYesYes
Monetization—Free with in-app purchases
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS14.0 — better17.0
Further details — not scored
Size203 MB22 MB
Age rating4+4+
DeveloperPERCDC Learnhub Inc.Forwa Elade Wunde

In-app purchases

11 purchases

ECE Reviewer (PERCApp)

One-time11
  • 1000 Percs$0.99
  • 2,500 Percs + Bonus 100 Percs$0.99
  • 5000 Percs + Bonus 500 Percs$1.99
Show 8 more
  • 10000 Percs + Bonus 2000 Percs$2.99
  • 25000 Percs + Bonus 10000Percs$7.99
  • ELEX$14.99
  • GEAS$14.99
  • ESAT$14.99
  • 50000 Percs + Bonus 30000Percs$14.99
  • MATH$19.99
  • All Subjects$59.99
6 purchases

Power Electronics

Subscriptions3
  • 1 Month$9.991 Month
  • 6 Months$19.996 Months
  • 1 Year$29.991 Year
One-time3
  • 1500$0.99
  • 3500$1.99
  • 9000$3.99

Questions

Is ECE Reviewer (PERCApp) free?
ECE Reviewer (PERCApp) is free to download, with in-app purchases available.
Is Power Electronics free?
Power Electronics is free to download, with in-app purchases available.
Do ECE Reviewer (PERCApp) or Power Electronics have ads?
ECE Reviewer (PERCApp) shows ads; Power Electronics does not.
Which is updated more often, ECE Reviewer (PERCApp) or Power Electronics?
ECE Reviewer (PERCApp) ships an update every 3 weeks, and Power Electronics every 2 months. Most recently, ECE Reviewer (PERCApp) was updated on October 1, 2026 and Power Electronics on October 6, 2026.

Other comparisons