BlueGrays vs Arduino Modules Pro
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/
Arduino Modules Pro
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This app is a comprehensive reference for digital and analog sensors compatible with Arduino boards. It provides detailed descriptions, wiring diagrams, setup instructions, and practical code examples to help you easily integrate sensors and modules into your projects. Whether you’re building home automation, robotics, IoT applications, or DIY electronics, Arduino Modules Pro simplifies the process of learning, connecting, and coding with Arduino. Available in 14 Languages: • English, French, German, Indonesian, Italian, Japanese, Polish, Portuguese, Russian, Simplified Chinese, Spanish, Turkish, Ukrainian, and Vietnamese — study in your native language! Key Features: • Clear circuit diagrams and step-by-step connection guides • Ready-to-use Arduino sketches with explanations • Works with Arduino Uno, Nano, and Mega boards • Designed for both beginners and advanced users • Favorites feature – save and quickly access important topics • Full-text search – quickly find any module or sensor Sensors & Modules Covered: • Distance measurement modules • Temperature & humidity sensors • Pressure & temperature sensors • Light, vibration, and motion sensors • Infrared and magnetic field modules • Touch and gas sensors • Soil moisture & water sensors • LED modules and matrices • LCD and OLED displays • Buttons and joysticks • Sound modules • Motors and relays • Accelerometers & gyroscopes • Real-time clock modules • And many more… Why Choose Arduino Modules Pro? • Learn faster with structured guides • Get working projects quickly with example code • Improve your Arduino skills with real-world applications • Suitable for hobbyists, students, and professionals alike "Arduino" and all other mentioned trade names are trademarks of their respective owners. This app is an independent educational product and is not affiliated with, endorsed by, sponsored by, or associated with Arduino or any other company.
Screenshots
Verdict
The clearest difference is price: BlueGrays at Free against Arduino Modules Pro's $4.99. BlueGrays also leads on update cadence (every 6 days vs every 2 months). Arduino Modules Pro's advantage is in-app purchases (none vs 6) and ads (none vs shown). On device support and iOS requirement 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
BlueGrays is free to download; Arduino Modules Pro costs $4.99 up front. BlueGrays sells 6 in-app purchases, starting at $2.99 per month. Arduino Modules Pro asks for nothing beyond the download.
BlueGrays ships an update every 6 days, Arduino Modules Pro every 2 months. The most recent releases landed on September 17, 2026 and September 16, 2026 respectively.
| Parameter | BlueGrays | Arduino Modules Pro |
|---|---|---|
| Price | Free — better | $4.99 |
| 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 | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPod | iPhone, iPad, Mac — better |
| Requires iOS | 15.1 — better | 16.0 |
| Further details — not scored | ||
| Size | 51 MB | 31 MB |
| Age rating | 4+ | +4 |
| Developer | Yunus Emre Eke | ALG Software Lab |
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
Arduino Modules Pro
No in-app purchases
Questions
Is BlueGrays free?
Is Arduino Modules Pro free?
Do BlueGrays or Arduino Modules Pro have ads?
Which is updated more often, BlueGrays or Arduino Modules Pro?
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