Comparison

Arduino Pocket Reference vs BlueGrays

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

Head to head
About

Arduino Pocket Reference

This app provides a comprehensive reference for Arduino programming, covering core libraries, syntax, operators, and various hardware shields. It includes examples for common functionalities like mouse control, GSM communication, and LCD displays, making it a valuable tool for makers and developers.

Highlights
  • Arduino core libraries list
  • Mouse and Keyboard control examples
  • GSM communication examples
  • LiquidCrystal library functions
  • Syntax, operators, and data types
  • Various Arduino board guides
  • IO and math functions
Features
Read full description

Arduino is a tool for making computers that can sense and control more of the physical world than your desktop computer. It's an open-source physical computing platform based on a simple microcontroller board, and a development environment for writing software for the board. Our App have a list of Arduino core libraries. SOME OF THE APP CONTENTS INCLUDE Mouse ButtonMouseControl JoystickMouseControl Added Robot Library Compass JDisco Bot JHello User JInputs JLine Following JLogo JPicture Browser JRemote Control JRescue JRunaway Robot JWheel Calibration JoystickMouseControl Added GSM Library GSM Examples Make Voice Call Receive SMS Receive Voice Call Send SMS Web Client Web Server Xively Client String Xively Client GSM Tools Band Management. GSM Scan Networks. Pin Management. Test GPRS. Test Modem. Test Web Server. LiquidCrystal Library Autoscroll Blink Cursor Display Hello World Scroll Serial input SetCursor TextDirection Arduino Due Arduino Ethernet Shield Arduino Fio Programming Arduino Pro Mini Arduino Pro Arduino WiFI Shield Arduino Wireless Shield with the XBee 802.15.4 modules ArduinoBT Getting started with Arduino Esplora Guide to the Arduino Leonardo and Micro Guide to the Arduino Mini Guide to the Arduino Nano Guide to the LilyPad Arduino USB Guide to the LilyPad ArduinoEEPROM Library Ethernet library Firmata Library LiquidCrystal Library Mouse and Keyboard libraries SD Servo library Bridge Library EEPROM Library Software Serial Example Two Port Receive Software Serial Library Arithmetic Operators Bitwise Operators Boolean Operators Comparison Operators Compound Operators constants Control Structures Conversion Data Types Further Syntax Operators Pointer Access Operators Utilities Variable Scope & Qualifiers Advanced IO Analog IO Bits and Bytes Communication Digital IO Due & Zero only External Interrupts Interrupts Math Random Numbers Time Trigonometry AND MANY MORE.... Download and enjoy ! PLEASE DON'T FORGET TO RATE THE APP AND LEAVE YOUR VALUABLE COMMENTS.'

About

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.

Highlights
  • 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
Features
Read full description

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/

Screenshots

Arduino Pocket Reference4 screens
BlueGrays4 screens

Verdict

The call

The clearest difference is review sentiment: BlueGrays at 64% against Arduino Pocket Reference's 12%. BlueGrays also leads on rating (4.4 vs 2.4) and update cadence (every 6 days vs every 5 months). On price, ratings volume, 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. Arduino Pocket Reference sells 1 one-off in-app purchase and BlueGrays sells 6 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

BlueGrays holds the better App Store score, 4.4 against 2.4. Both are backed by a comparable volume of ratings — 17 and 11 respectively. Written reviews point the same way: 12% of Arduino Pocket Reference's written reviews are positive against 64% of BlueGrays's.

UpkeepUpdate frequency

Arduino Pocket Reference ships an update every 5 months, BlueGrays every 6 days. The most recent releases landed on June 2, 2026 and September 17, 2026 respectively.

Scorecard3 real differences · 7 level
Arduino Pocket Reference versus BlueGrays: the parameters behind the verdict, then further details
ParameterArduino Pocket ReferenceBlueGrays
PriceFreeFree
Rating2.4 (17 ratings)4.4 (11 ratings) — better
Positive reviews12.0% of reviews64.3% of reviews — better
Number of ratings17 — better11
Update frequencyEvery 5 monthsEvery 6 days — better
AdsYesYes
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS14.0 — better15.1
Further details — not scored
Size78 MB51 MB
Age rating4+4+
DeveloperVipin NairYunus Emre Eke

Customer experience

Arduino Pocket Reference

All ratings17 ratings
Positive35.3%
Neutral0.0%
Negative64.7%
Written reviews25 reviews
Positive12.0%
Neutral4.0%
Negative84.0%

BlueGrays

All ratings10 ratings
Positive90.0%
Neutral0.0%
Negative10.0%
Written reviews14 reviews
Positive64.3%
Neutral0.0%
Negative35.7%

In-app purchases

1 purchases

Arduino Pocket Reference

One-time1
  • Remove Advertisements$0.99
6 purchases

BlueGrays

Subscriptions2
  • Premium (Monthly)$2.991 Month
  • Premium (Yearly)$11.991 Year
One-time4
  • 5x Aylık Eğitimci Paketi$12.99
  • 10x Aylık Eğitimci Paketi$23.99
  • 5x Yıllık Eğitimci Paketi$53.99
Show 1 more
  • 10x Yıllık Eğitimci Paketi$101.99

Questions

Is Arduino Pocket Reference free?
Arduino Pocket Reference is free to download, with in-app purchases available.
Is BlueGrays free?
BlueGrays is free to download, with in-app purchases available.
Which has better reviews, Arduino Pocket Reference or BlueGrays?
BlueGrays is rated higher. Arduino Pocket Reference averages 2.4 out of 5 from 17 ratings, while BlueGrays averages 4.4 from 11 ratings.
Do Arduino Pocket Reference or BlueGrays have ads?
Both Arduino Pocket Reference and BlueGrays show ads.
Which is updated more often, Arduino Pocket Reference or BlueGrays?
Arduino Pocket Reference ships an update every 5 months, and BlueGrays every 6 days. Most recently, Arduino Pocket Reference was updated on June 2, 2026 and BlueGrays on September 17, 2026.

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