Comparison

BlueGrays vs VBS education

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

Head to head
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

160+ 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. 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 • 6 languages: English, Turkish, German, Spanish, French, Italian 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/

About

VBS education

Read full description

Get Personalized Learning Outcomes for everyone. An in-depth performance analysis, where you can know your strong and weak points, your all India rank, your state rank etc. You will also get a virtual tutor who is completely dedicated to bringing out the best in you. It will prioritize your concepts, chapters, topics, and questions through machine learning. Get this innovative learning experience only on Vbseducation Test Series!!

Screenshots

BlueGrays4 screens
VBS education4 screens

Verdict

The call

The clearest difference is update cadence: BlueGrays at every 4 days against VBS education's every 11 months. On price, ads, 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. BlueGrays sells 8 in-app purchases, starting at $2.99 per month and VBS education sells 10 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

BlueGrays ships an update every 4 days, VBS education every 11 months. The most recent releases landed on October 25, 2026 and September 12, 2026 respectively.

Scorecard1 real difference · 9 level
BlueGrays versus VBS education: the parameters behind the verdict, then further details
ParameterBlueGraysVBS education
PriceFreeFree
Rating4.2 (14 ratings) — better—
Positive reviews64.3% of reviews—
Number of ratings14 — better—
Update frequencyEvery 4 days — betterEvery 11 months
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchases—
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS15.1 — better15.5
Further details — not scored
Size52 MB146 MB
Age rating4+4+
DeveloperYunus Emre EkeOnline Learning

In-app purchases

8 purchases

BlueGrays

Subscriptions4
  • Premium (Monthly)$2.991 Month
  • Premium (Monthly)$4.991 Month
  • Premium (Yearly)$11.991 Year
Show 1 more
  • Premium (Yearly)$19.991 Year
One-time4
  • 5x Aylık Eğitimci Paketi$24.99
  • 10x Aylık Eğitimci Paketi$39.99
  • 5x Yıllık Eğitimci Paketi$99.99
Show 1 more
  • 10x Yıllık Eğitimci Paketi$159.99
10 purchases

VBS education

One-time10
  • Package - AQ$29.99
  • Package - AV$34.99
  • Package - AW$39.99
Show 7 more
  • Package - BA$39.99
  • Package - BC$39.99
  • Package - BB$39.99
  • Package - BD$39.99
  • Package - AY$39.99
  • Package - BF$49.99
  • Package - BG$49.99

Questions

Is BlueGrays free?
BlueGrays is free to download, with in-app purchases available.
Is VBS education free?
VBS education is free to download, with in-app purchases available.
Do BlueGrays or VBS education have ads?
Neither BlueGrays nor VBS education shows ads.
Which is updated more often, BlueGrays or VBS education?
BlueGrays ships an update every 4 days, and VBS education every 11 months. Most recently, BlueGrays was updated on October 25, 2026 and VBS education on September 12, 2026.

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