BlueGrays vs Electronics+
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
BlueGrays
Learn electronics with interactive projects, a component catalog, and personal inventory management. Start with free projects and unlock full access to Arduino, ESP32, and IoT content with a premium subscription. Gamified learning with badges and levels keeps you motivated.
- Free starter projects
- Unlimited Arduino/ESP32/IoT projects
- Detailed circuit diagrams and code
- Component catalog with specifications
- Personal inventory management
- Gamified learning with badges and levels
- Multi-language support
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Learning electronics has never been this easy and fun with BlueGrays! Start with free projects right away, and unlock all content with Premium when you're ready. Whether you're a student or a hobbyist, BlueGrays gives you everything you need. — START FOR FREE — • Begin learning electronics with curated starter projects • Explore basic components and their specifications • Try the app and see if it's right for you — EXPLORE PROJECTS (Premium) — • Unlimited access to Arduino, ESP32, ESP8266 and IoT projects • Detailed circuit diagrams, code snippets, and video tutorials for each project • See required components and add missing ones to your inventory • Rate projects and save your favorites • Track your completed projects — COMPONENT CATALOG (Premium) — • Full access to extensive electronic component database • Detailed specifications and use cases • Filter, sort, and easily find what you need • Add components directly to your inventory — MY WORKSHOP - PERSONAL INVENTORY (Premium) — • Track the components you own • Add quantities, notes, and custom names • Check for missing components before starting a project • Edit and update your inventory anytime — BADGES & LEVELS — • Earn achievement badges as you learn • Reach Bronze, Silver, Gold, Platinum, and Diamond tiers • Track your progress across categories • Stay motivated with gamified learning! — MORE FEATURES — • Push notifications for new projects • Multi-language support (TR, EN, DE, ES, FR, IT) • Favorites and completed projects list • Personal profile and progress tracking BlueGrays is built for the maker and electronics community. Download now and start your electronics journey for free! — SUBSCRIPTION INFORMATION — • BlueGrays Premium unlocks unlimited access to all projects, the full component catalog, and the My Workshop inventory feature. • Payment is charged to your Apple ID account upon confirmation of purchase. • Subscription automatically renews unless cancelled at least 24 hours before the end of the current period. • You can manage and cancel your subscription in Settings > Apple ID > Subscriptions after purchase. • Privacy Policy: https://bluegrays.com/privacy/ • Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Electronics+
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Master Electronics with our Fun and Engaging Quizzes! Dive into the world of 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: Introduction to Electronics: -History and evolution of electronics -Basic electrical quantities -Passive components overview -Electronic system classifications Semiconductor Physics: -Intrinsic and extrinsic semiconductors -Charge carriers and doping -PN junction characteristics -Drift and diffusion currents Diodes and Applications: -Zener and Schottky diodes -Rectification circuits -Clipping and clamping -Voltage regulation Transistors (BJT & FET): -BJT operation and characteristics -FET and MOSFET operation -Biasing techniques -Small-signal models Analog Circuits: -Amplifier classes (A, B, AB, D) -Differential amplifiers -Frequency response -Feedback and stability Operational Amplifiers: -Ideal vs real op-amps -Inverting & non-inverting amplifiers -Filters using op-amps -Comparators and oscillators Digital Logic Fundamentals: -Number systems and Boolean algebra -Logic gates and truth tables -Combinational logic circuits -Sequential logic (flip-flops, registers) Microcontrollers & Embedded Systems: -Microcontroller architecture -Memory and I/O interfacing -Interrupts and timers -Embedded C programming basics Power Electronics: -AC/DC converters -DC/DC converters -Inverters and motor drives -Protection and thermal management Electronic Communication Systems: -Modulation techniques (AM, FM, PM) -Digital communication (ASK, FSK, QAM) -Multiplexing methods -Noise and signal-to-noise ratio Sensors and Instrumentation: -Temperature, pressure, motion sensors -Signal conditioning -Data acquisition systems -Calibration and error analysis Electromagnetic Theory & Transmission Lines: -Maxwell’s equations basics -Wave propagation -Impedance matching -RF transmission lines Integrated Circuits and PCB Design: -IC fabrication process -PCB layout principles -Soldering and assembly -Testing and debugging Control Systems: -Open-loop vs closed-loop control -Transfer functions -PID controllers -Stability analysis IoT & Modern Electronics Applications: -IoT architectures and protocols -Embedded connectivity (WiFi, BLE) -Cloud integration -Security in modern electronics Who is it for? - Students preparing for the exam. - Professionals brushing up on their knowledge. - Anyone interested in understanding the principles of Electronics. Download now and make learning Electronics enjoyable and effective! Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://forwaelade.web.app/Electronics/privacy-policy
Screenshots
Verdict
The clearest difference is ads: Electronics+ at none against BlueGrays's shown. BlueGrays's advantage is update cadence (every 6 days vs every 2 months) and iOS requirement (15.1 vs 17.0). On price, in-app purchases 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
Both are free to download. BlueGrays sells 6 in-app purchases, starting at $2.99 per month and Electronics+ sells 6 in-app purchases, starting at $7.99 per 7 days. Whichever you choose, the download price is not the number that matters.
BlueGrays ships an update every 6 days, Electronics+ every 2 months. The most recent releases landed on September 17, 2026 and October 1, 2026 respectively.
| Parameter | BlueGrays | Electronics+ |
|---|---|---|
| Price | Free | Free |
| Rating | 4.4 (11 ratings) — better | — |
| Positive reviews | 64.3% of reviews | — |
| Number of ratings | 11 — better | — |
| Update frequency | Every 6 days — better | Every 2 months |
| Ads | Yes | No — better |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPod | iPhone, iPad |
| Requires iOS | 15.1 — better | 17.0 |
| Further details — not scored | ||
| Size | 51 MB | 26 MB |
| Age rating | 4+ | 4+ |
| Developer | Yunus Emre Eke | Forwa Elade Wunde |
In-app purchases
BlueGrays
- Premium (Monthly)$2.991 Month
- Premium (Yearly)$11.991 Year
- 5x Aylık Eğitimci Paketi$12.99
- 10x Aylık Eğitimci Paketi$23.99
- 5x Yıllık Eğitimci Paketi$53.99
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- 10x Yıllık Eğitimci Paketi$101.99
Electronics+
- 1 Week$7.997 Days
- 1 Month$19.991 Month
- 1 Year$29.991 Year
- 1500$1.99
- 3500$2.99
- 9000$4.99
Questions
Is BlueGrays free?
Is Electronics+ free?
Do BlueGrays or Electronics+ have ads?
Which is updated more often, BlueGrays or Electronics+?
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