Comparison

Slug Central 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

Slug Central

Access campus information for dining, classes, professor details, and library bookings. Plan your academic calendar, view real-time dining occupancy, and favorite locations for quick access to menus and nutritional data.

Highlights
  • Class schedules and academic calendar planning
  • Professor information and student feedback ratings
  • Library room booking and availability
  • Real-time dining occupancy and menus
  • Nutritional data for food options
  • Favorite dining locations
Features
Read full description

Stay up to date with the latest information and make the most of your campus experience at UCSC with Slug Central. Whether you're looking for the latest dining options, available classes, professor information, or library bookings, Slug Central has it all. Features include: - Classes: Access all classes currently offered as well as those offered in the past. Plan out your academic calendar by adding classes to the built in scheduler and get a preview of what to expect. Classes are color coded into open, waitlisted, and closed. Professor previews are also offered as well as student feedback ratings so you know exactly what to expect when you pick the classes you want. - Library: See all available library booking possibilities from both McHenry and S&E libraries and book the rooms you need from right within the app. Feel free to plan for later by selecting which ever date you want and watch it automatically refresh with the corresponding rooms. Select your timeframes and receive instant confirmation on your booking status as well as next steps to confirm through email. - Dining: View whichever dining options are currently serving food and decide when to leave based on the currently estimated occupancy rates. Favorite a dining location and view realtime food options right from the dashboard. Determine exactly what you've eaten based on the nutritional data offered for each availabilty such as calories and ingredients. AND MORE... The app is CONSTANTLY being updated. If you have a problem or addition you'd like to see in the app, leave your thoughts in the support area.

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

Slug Central4 screens
Power Electronics4 screens

Verdict

The call

The clearest difference is in-app purchases: Slug Central at none against Power Electronics's 6. Slug Central also leads on update cadence (fortnightly vs every 2 months) and ratings volume (3 vs 1). On price, rating, ads 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. Power Electronics sells 6 in-app purchases, starting at $9.99 per month. Slug Central 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 Slug Central against 5.0 for Power Electronics. Both are backed by a comparable volume of ratings — 3 and 1 respectively.

UpkeepUpdate frequency

Slug Central ships an update fortnightly, Power Electronics every 2 months. The most recent releases landed on October 21, 2026 and October 6, 2026 respectively.

Scorecard4 real differences · 5 level
Slug Central versus Power Electronics: the parameters behind the verdict, then further details
ParameterSlug CentralPower Electronics
PriceFreeFree
Rating5.0 (3 ratings)5.0 (1 ratings)
Number of ratings3 — better1
Update frequencyFortnightly — betterEvery 2 months
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhoneiPhone
Requires iOS17.017.0
Further details — not scored
Size52 MB22 MB
Age rating4+4+
DeveloperParth KhannaForwa Elade Wunde

Customer experience

Slug Central

All ratings3 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

Power Electronics

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

In-app purchases

None

Slug Central

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 Slug Central free?
Slug Central is free to download, with no in-app purchases.
Is Power Electronics free?
Power Electronics is free to download, with in-app purchases available.
Which has better reviews, Slug Central or Power Electronics?
Slug Central and Power Electronics are both rated 5.0 out of 5 on the App Store, from 3 and 1 ratings respectively.
Do Slug Central or Power Electronics have ads?
Neither Slug Central nor Power Electronics shows ads.
Which is updated more often, Slug Central or Power Electronics?
Slug Central ships an update fortnightly, and Power Electronics every 2 months. Most recently, Slug Central was updated on October 21, 2026 and Power Electronics on October 6, 2026.

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