Comparison

ROV Quiz vs Digital Electronics+

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

Head to head
About

ROV Quiz

Learn the fundamentals of ROV systems quickly with this engaging quiz app. Designed for industry professionals to share with others, it uses chapter-based quizzes to reinforce learning and improve understanding of complex topics in a short amount of time.

Highlights
  • Learn ROV system basics
  • Chapter-based quizzes
  • Reinforce learning
  • Share with colleagues and friends
  • Quick learning in 5 minutes
Read full description

This quiz application is ideal for anyone who wants to learn the basics of an ROV system in just 5 minutes. If you work in the ROV industry, you can share this app with coworkers, family members, or friends to help them better understand your work. The quiz chapters help you retain what you’ve learned.

About

Digital Electronics+

Features
Read full description

Master Digital Electronics with Fun and Engaging Quizzes! Dive into the world of Digital Electronics 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: Number Systems and Codes: - Binary, Octal, Decimal, Hexadecimal systems - Binary arithmetic - Signed numbers, 1’s and 2’s complement - Gray code, BCD, ASCII Logic Gates and Boolean Algebra: - Basic gates: AND, OR, NOT, NAND, NOR, XOR, XNOR - Truth tables and logic symbols - Boolean expressions - Laws and theorems of Boolean algebra - DeMorgan’s Theorems Simplification Techniques: - Karnaugh Maps (K-maps) - Quine-McCluskey method - Logic minimization for combinational circuits Combinational Logic Circuits: - Adders, subtractors, comparators - Multiplexers, demultiplexers - Encoders, decoders - Logic implementation using gates Arithmetic Logic Circuits: - Binary adders and subtractors (half and full) - Carry-lookahead adder - ALU basics Flip-Flops and Latches: - SR, D, JK, T flip-flops - Edge-triggered and level-triggered circuits - Master-slave configurations Sequential Logic Circuits: - Counters (asynchronous, synchronous, up/down) - Shift registers - Timing diagrams - Applications of sequential logic Clocking and Timing Analysis: - Clock signals and waveforms - Propagation delay, setup and hold time - Metastability Finite State Machines (FSMs): - Moore and Mealy machines - State diagrams and tables - Design and implementation of FSMs Memory and Storage Devices: - RAM (SRAM, DRAM), ROM, EEPROM, Flash - Memory organization and interfacing - Address decoding Programmable Logic Devices: - PLAs, PALs, GALs - Field-Programmable Gate Arrays (FPGAs) - CPLDs and their applications Digital System Design with VHDL/Verilog: - Introduction to Hardware Description Languages - Basic syntax and structure - Combinational and sequential modeling - Simulation and synthesis Data Converters: - Digital-to-Analog Converters (DACs) - Analog-to-Digital Converters (ADCs) - Performance parameters (resolution, accuracy, speed) Timing and Clock Management: - Crystal oscillators and clock generators - Phase-Locked Loops (PLLs) - Clock distribution techniques Practical Applications and Case Studies: - Digital electronics in embedded systems - Industrial automation and control - Digital communication systems - Sample real-world project implementations Features You'll Love: - Adaptive Quizzes: Questions tailored to your skill level, ensuring a personalized learning experience. - Detailed Explanations: Learn as you go with in-depth answers and references. - Timed Challenges: Test your speed and accuracy under time pressure for an extra thrill. - Progress Tracking: Keep tabs on your improvement with detailed analytics and reports. - User-Friendly Design: Intuitive interface for smooth navigation and focus. Who is it for? - Digital Electronics students preparing for exams. - Professionals brushing up on their knowledge. - Anyone interested in understanding the principles of Digital Electronics. Download now and make learning Digital Electronics enjoyable and effective! Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://forwaelade.web.app/DigitalElectronics/privacy-policy

Screenshots

ROV Quiz4 screens
Digital Electronics+4 screens

Verdict

The call

The clearest difference is in-app purchases: ROV Quiz at none against Digital Electronics+'s 6. ROV Quiz also leads on device support (5 vs 2) and iOS requirement (15.6 vs 17.0). Digital Electronics+'s advantage is update cadence (every 6 months vs every 32 months). On price and ads there is nothing between them.

Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS

CostPrice Β· In-app purchases Β· Ads Β· Monetization

Both are free to download. Digital Electronics+ sells 6 in-app purchases, starting at $9.99 per month. ROV Quiz asks for nothing beyond the download.

UpkeepUpdate frequency

ROV Quiz ships an update every 32 months, Digital Electronics+ every 6 months. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.

Scorecard4 real differences Β· 4 level
ROV Quiz versus Digital Electronics+: the parameters behind the verdict, then further details
ParameterROV QuizDigital Electronics+
PriceFreeFree
Positive reviews66.7% of reviewsβ€”
Update frequencyEvery 32 monthsEvery 6 months β€” better
AdsNoNo
In-app purchasesNo β€” betterYes
MonetizationFreeβ€”
DevicesiPhone, iPad, iPod, Mac, Apple TV β€” betteriPhone, iPad
Requires iOS15.6 β€” better17.0
Further details β€” not scored
Size105 MB24 MB
Age rating4+4+
DeveloperBARTOLI JOHANForwa Elade Wunde

In-app purchases

None

ROV Quiz

No in-app purchases

6 purchases

Digital 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 ROV Quiz free?
ROV Quiz is free to download, with no in-app purchases.
Is Digital Electronics+ free?
Digital Electronics+ is free to download, with in-app purchases available.
Do ROV Quiz or Digital Electronics+ have ads?
Neither ROV Quiz nor Digital Electronics+ shows ads.
Which is updated more often, ROV Quiz or Digital Electronics+?
ROV Quiz ships an update every 32 months, and Digital Electronics+ every 6 months. Most recently, ROV Quiz was updated on November 3, 2026 and Digital Electronics+ on October 30, 2026.

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