Comparison

Undergrounds REE Review vs Electrical Engineering

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

Head to head
About

Undergrounds REE Review

Read full description

Undergrounds REE Review Center by Engr. Clibourn E. Quiapo is your ultimate companion for the Electrical Engineering Board Exam. Access expertly crafted lectures, quizzes, and mock exams based on the latest REE syllabus. Track your progress, enhance your knowledge, and boost your confidence—anytime, anywhere. Whether you're studying solo or enrolled in the center, this app is built to help you succeed. Let's pass the board, the Undergrounds way!

About

Electrical Engineering

Master electrical engineering concepts with engaging quizzes covering a wide range of topics. Ideal for students and professionals to enhance knowledge and skills in the field.

Highlights
  • Comprehensive quiz topics
  • Fundamentals of electrical engineering
  • Circuit analysis and network theorems
  • AC theory and electrical machines
  • Power systems and electronics
  • Control systems and signals
Features
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Master Electrical Engineering with our Fun and Engaging Quizzes! Dive into the world of Electrical Engineering with our comprehensive quiz app, designed to boost your knowledge, confidence, and skills. Whether you're a student, practitioner, or just exploring the field, this app is your ultimate companion for learning and growth. Topics Covered: Fundamentals of Electrical Engineering: -Basic electrical quantities (voltage, current, resistance, power) -Ohm’s Law and Kirchhoff’s Laws -Series and parallel circuits -Energy, efficiency, and power factor Electrical Materials and Components: -Conductors, insulators, and semiconductors -Resistors, capacitors, and inductors -Magnetic materials and cores -Electrical properties and losses Circuit Analysis and Network Theorems: -Mesh and nodal analysis -Thevenin’s and Norton’s theorems -Superposition and maximum power transfer -Transient and steady-state analysis Alternating Current (AC) Theory: -Sinusoidal waveforms and phasors -Impedance and admittance -Resonance in AC circuits -Power in AC systems (real, reactive, apparent) Electrical Machines: -DC machines: generators and motors -Transformers: construction and operation -Induction motors and synchronous machines -Efficiency, torque, and speed control Power Generation and Energy Systems: -Conventional energy sources (thermal, hydro, nuclear) -Renewable energy systems (solar, wind, biomass) -Power plants layout and operation -Grid integration and distributed generation Power Transmission and Distribution: -Transmission line parameters -High-voltage AC/DC transmission systems -Substations and switchgear -Power losses and voltage regulation Power Electronics: -Semiconductor power devices (diodes, MOSFETs, IGBTs) -Rectifiers, inverters, and converters -Pulse-width modulation (PWM) -Applications in drives and renewable energy Electrical Measurements and Instrumentation: -Measurement of voltage, current, and power -Transducers and sensors -Digital instruments and data acquisition -Measurement errors and calibration Control Systems Engineering: -Open-loop and closed-loop control -Transfer functions and block diagrams -PID controllers and tuning methods -Stability and frequency response Signals and Systems: -Continuous and discrete-time signals -Fourier and Laplace transforms -System linearity and time invariance -Filters and signal processing basics Electronics and Circuits: -Semiconductor theory and PN junctions -Bipolar and field-effect transistors -Amplifiers and oscillators -Analog and digital circuit design Microcontrollers and Embedded Systems: -Microprocessor and microcontroller architecture -Programming and interfacing -Sensors and actuators integration -Embedded control applications Electrical Safety and Standards: -Grounding and earthing systems -Circuit protection devices (fuses, breakers, relays) -Electrical codes and standards (IEC, IEEE, NEC) -Safety procedures and hazard prevention Emerging Technologies in Electrical Engineering: -Smart grids and IoT integration -Electric vehicles and battery systems -Artificial intelligence in power systems Who is it for? - Electrical Engineering Students preparing for the exam. - Professionals brushing up on their knowledge. - Anyone interested in understanding the principles of Electrical Engineering. Download now and make learning Electrical Engineering enjoyable and effective! Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://forwaelade.web.app/ElectricalEngineering/privacy-policy -Energy storage and wireless power transfer

Screenshots

Undergrounds REE Review4 screens
Electrical Engineering4 screens

Verdict

The call

The clearest difference is iOS requirement: Undergrounds REE Review at 15.0 against Electrical Engineering's 17.6. On price, update cadence, ads 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. Undergrounds REE Review sells 5 one-off in-app purchases and Electrical Engineering sells 6 in-app purchases, starting at $7.99 per 7 days. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Undergrounds REE Review ships an update every 3 weeks, Electrical Engineering every 2 weeks. The most recent releases landed on September 12, 2026 and September 11, 2026 respectively.

Scorecard1 real difference · 8 level
Undergrounds REE Review versus Electrical Engineering: the parameters behind the verdict, then further details
ParameterUndergrounds REE ReviewElectrical Engineering
PriceFreeFree
Rating—4.8 (6 ratings) — better
Number of ratings—6 — better
Update frequencyEvery 3 weeksEvery 2 weeks — better
AdsNoNo
In-app purchasesYesYes
Monetization—Free with in-app purchases
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.0 — better17.6
Further details — not scored
Size95 MB21 MB
Age rating17+4+
DeveloperClibourn QuiapoForwa Elade Wunde

In-app purchases

5 purchases

Undergrounds REE Review

One-time5
  • Math$0.99
  • ESAS$0.99
  • EE$0.99
Show 2 more
  • Full Enrollment$0.99
  • Refresher$0.99
6 purchases

Electrical Engineering

Subscriptions3
  • 1 Week$7.997 Days
  • 1 Month$19.991 Month
  • 1 Year$29.991 Year
One-time3
  • 1500$1.99
  • 3500$2.99
  • 9000$4.99

Questions

Is Undergrounds REE Review free?
Undergrounds REE Review is free to download, with in-app purchases available.
Is Electrical Engineering free?
Electrical Engineering is free to download, with in-app purchases available.
Do Undergrounds REE Review or Electrical Engineering have ads?
Neither Undergrounds REE Review nor Electrical Engineering shows ads.
Which is updated more often, Undergrounds REE Review or Electrical Engineering?
Undergrounds REE Review ships an update every 3 weeks, and Electrical Engineering every 2 weeks. Most recently, Undergrounds REE Review was updated on September 12, 2026 and Electrical Engineering on September 11, 2026.

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