Comparison

iSolveModel 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

iSolveModel

This app offers a powerful linear programming solver for iOS devices, utilizing the simplex algorithm and an integrated MIP solver for integer variables. It's designed for students and professionals in operations research and related fields, allowing easy model creation and sharing.

Highlights
  • Linear programming solver
  • Simplex algorithm
  • Integrated MIP solver
  • Sensitivity analysis
  • iTunes File Sharing
  • Email model/solution transfer
  • Text-based model documents
Features
Read full description

Looking for a mathematical model solver running on your iPad/iPhone/iPod Touch? This is iSolveModel, an easy-to-use linear programming optimizer running on iPad as well as on iPhone and using the simplex algorithm method with pivot as the main solver engine as well as an integrated MIP solver for 0-1 variables and integer numbers. The purpose of this application is to provide a linear programming solver for the iPad/iPhone/iPod Touch community as well as for students and teachers, particularly for those in Operations Research / Operations Management / Industrial Engineering or related courses (college/undergraduate students). Features: - Number of decision variables and constraints only limited by the available memory of the device - Sensitivity analysis reports on variable coefficients and right-hand side when solving pure linear models - Documents can be transferred via iTunes File Sharing - Mathematical models and solutions can be sent by email - Model documents are text files, no proprietary format - Solution documents as HTML - Supports all device orientations Benefits: - Affordable - Easy-to-use modeling, models are like the ones in textbooks - Fast learning curve

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

iSolveModel4 screens
Power Electronics4 screens

Verdict

The call

The clearest difference is price: Power Electronics at Free against iSolveModel's $9.99. iSolveModel's advantage is in-app purchases (none vs 6). On rating, ratings volume, update cadence and ads 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

Power Electronics is free to download; iSolveModel costs $9.99 up front. Power Electronics sells 6 in-app purchases, starting at $9.99 per month. iSolveModel asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 5.0 for iSolveModel against 5.0 for Power Electronics. Both are backed by a comparable volume of ratings — 2 and 1 respectively.

UpkeepUpdate frequency

iSolveModel ships an update every 4 months, Power Electronics every 2 months. The most recent releases landed on September 12, 2026 and September 18, 2026 respectively.

Scorecard3 real differences · 7 level
iSolveModel versus Power Electronics: the parameters behind the verdict, then further details
ParameteriSolveModelPower Electronics
Price$9.99Free — better
Rating5.0 (2 ratings)5.0 (1 ratings)
Positive reviews71.4% of reviews—
Number of ratings2 — better1
Update frequencyEvery 4 monthsEvery 2 months — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationPaidFree with in-app purchases — better
DevicesiPhone, iPad — betteriPhone
Requires iOS17.117.0 — better
Further details — not scored
Size5 MB22 MB
Age rating4+4+
DeveloperMINDTechForwa Elade Wunde

Customer experience

iSolveModel

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews7 reviews
Positive71.4%
Neutral14.3%
Negative14.3%

Power Electronics

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

iSolveModel

No in-app purchases

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 iSolveModel free?
iSolveModel costs $9.99, with no in-app purchases.
Is Power Electronics free?
Power Electronics is free to download, with in-app purchases available.
Which has better reviews, iSolveModel or Power Electronics?
iSolveModel and Power Electronics are both rated 5.0 out of 5 on the App Store, from 2 and 1 ratings respectively.
Do iSolveModel or Power Electronics have ads?
Neither iSolveModel nor Power Electronics shows ads.
Which is updated more often, iSolveModel or Power Electronics?
iSolveModel ships an update every 4 months, and Power Electronics every 2 months. Most recently, iSolveModel was updated on September 12, 2026 and Power Electronics on September 18, 2026.

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