BlueGrays vs C++ Programming Pro
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
BlueGrays
Explore over 200 electronics projects with code, diagrams, and video guides. Build custom IoT devices controlled via your phone. Features include component guides, calculators, and pinout maps.
- 200+ Arduino, ESP32, Pico projects
- Ready-to-upload code and circuit diagrams
- IoT device control from phone
- 125+ component guides
- 18 electronics calculators
- Pinout maps for boards
- Project Finder based on owned parts
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200+ Arduino, ESP32 and Raspberry Pi Pico projects, each with ready-to-upload code, a circuit diagram, the parts list and a video walkthrough. Tell BlueGrays which parts you own and it shows the projects you can build right now. Plus 125+ component guides, 18 electronics calculators and pinout maps for the boards. NEW: IOT, CONTROL FROM YOUR PHONE • Build your own device with an ESP32 or Raspberry Pi Pico W and manage it from your phone • Switch a lamp, watch temperature and humidity live and see the values on a chart • Ohmi writes the code: pick a template, wire it up, upload • 8 ready templates: lamp, room station, RGB strip, door sensor, plant watering, motion counter, servo curtain • 1 device on the free plan, up to 10 with Premium PROJECTS • Arduino projects, ESP32 projects and Raspberry Pi Pico projects in one place • Step-by-step guide: parts, circuit, code and testing • Wokwi simulation videos in new projects: watch the circuit run before you build it • Rate projects, save favorites and track the ones you complete WHAT CAN I BUILD WITH MY PARTS • Workshop: save the components you own, with quantities • See the projects you can build with your parts and the ones missing the fewest • Project Finder: answer a few questions and get an Arduino, ESP32 or Pico project that fits you 18 ELECTRONICS TOOLS • Resistor color code and SMD code decoder • Ohm's law, LED resistor, series/parallel resistor and voltage divider calculators • 555 timer, op-amp gain, RC time constant and battery life • Capacitor code, inductor code, series/parallel capacitors and standard values • LED voltages, transistor table and logic gates • Save your calculations and share the results PINOUT • Pin maps for Arduino, ESP32 and Raspberry Pi Pico boards • Tap a pin to see what it does and what it is good for COMPONENT CATALOG • 125+ components: sensors, modules, motors, displays and more • Specs, use cases and the projects each component appears in • Add components to your Workshop straight from their page BADGES AND LEVELS • Earn badges as you learn and reach Bronze, Silver, Gold, Platinum and Diamond tiers FOR EDUCATORS • Bulk Premium code packs of 5 and 10 for your class MORE • Blog: step-by-step electronics guides on bluegrays.com • 10 languages: English, Turkish, German, Spanish, French, Italian, Japanese, Portuguese, Indonesian, Russian PREMIUM Starter projects and the basic tools are open to everyone. BlueGrays Premium unlocks all projects, the full component catalog, Workshop, every tool and the pinout maps. 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/
C++ Programming Pro
Master C++ programming with interactive lessons, quizzes, and comprehensive code examples. This app caters to both beginners and experienced developers, offering a structured learning path and a handy reference tool.
- Step-by-step C++ lessons
- Interactive quizzes with 200+ questions
- Code examples and reference
- Favorites and full-text search (Pro)
- Covers all core and advanced C++ topics
- Available in 10 languages
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Learn C++ Quickly and Effectively! C++ Programming Pro is your all-in-one solution to master C++ — from beginner to advanced. Whether you're just starting out or looking to sharpen your skills, this app is designed to make learning C++ fast, easy, and interactive. No prior programming knowledge is required. Beginners can build a solid foundation, while experienced developers can use it as a powerful reference packed with code examples. Key Features: • Step-by-step lessons covering all core C++ concepts • Interactive quizzes with 200+ questions—perfect for exams and interviews • Updated content and quizzes with every version Available in 10 Languages: • English, French, German, Italian, Japanese, Portuguese, Russian, Simplified Chinese, Spanish, and Vietnamese — study in your native language! The Pro version offers additional features, including: • Favorites feature: Allows users to save topics and access them quickly. • Full-text search: Enables quick navigation across all app content. Topics Covered: • Data types • Operations • Control structures • Cycles • Arrays • Functions • Scope • Storage classes • Pointers • Functions and pointers • Strings • Structures • Enumerations • Object-oriented programming • Dynamic memory allocation • Advanced OOP • Operator overloading • Inheritance • Generic programming • Preprocessor • Exceptions handling Whether you're preparing for a coding interview or diving into C++ for the first time, C++ Programming Pro gives you the tools to succeed.
Screenshots
Verdict
The clearest difference is review sentiment: BlueGrays at 64% against C++ Programming Pro's 0%. BlueGrays also leads on price (Free vs $4.99) and update cadence (every 4 days vs every 2 months). C++ Programming Pro's advantage is in-app purchases (none vs 10). On 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
BlueGrays is free to download; C++ Programming Pro costs $4.99 up front. BlueGrays sells 10 in-app purchases, starting at $2.99 per month. C++ Programming Pro asks for nothing beyond the download.
BlueGrays ships an update every 4 days, C++ Programming Pro every 2 months. The most recent releases landed on November 8, 2026 and November 4, 2026 respectively.
| Parameter | BlueGrays | C++ Programming Pro |
|---|---|---|
| Price | Free — better | $4.99 |
| Rating | 4.2 (14 ratings) — better | — |
| Positive reviews | 64.3% of reviews — better | 0.0% of reviews |
| Number of ratings | 14 — better | — |
| Update frequency | Every 4 days — better | Every 2 months |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Freemium — better | Paid |
| Devices | iPhone, iPod | iPhone, iPad, Mac — better |
| Requires iOS | 15.1 — better | 17.0 |
| Further details — not scored | ||
| Size | 57 MB | 13 MB |
| Age rating | 4+ | 4+ |
| Developer | Yunus Emre Eke | ALG Software Lab |
Customer experience
BlueGrays
C++ Programming Pro
In-app purchases
BlueGrays
- Premium (Monthly)$2.991 Month
- Premium (Yearly)$11.991 Year
- Premium (Yearly)$19.991 Year
- Lifetime Premium · Special$49.99
- Lifetime Premium$79.99
- 50x Monthly Educator Pack$219.99
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- 5x Lifetime Educator Pack$399.99
- 10x Lifetime Educator Pack$749.99
- 50x Yearly Educator Pack$889.99
- 50x Lifetime Educator Pack$949.99
C++ Programming Pro
No in-app purchases
Questions
Is BlueGrays free?
Is C++ Programming Pro free?
Do BlueGrays or C++ Programming Pro have ads?
Which is updated more often, BlueGrays or C++ Programming Pro?
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