Comparison

Pi AR vs BlueGrays

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

Head to head
About

Pi AR

Explore the Raspberry Pi and circuits in augmented reality. This guide helps you set up your Pi and learn to build basic circuits, like blinking an LED. It's a hands-on way to understand electronics.

Highlights
  • Augmented reality Raspberry Pi exploration
  • Circuit building guide
  • LED blinking tutorial
  • Interactive learning experience
  • Educational companion
Features
Read full description

This is Pi AR, an entirely new way to learn about the Raspberry Pi and circuits. Place a Raspberry Pi in Augmented Reality and explore its features while you set yours up. Afterward, learn how to build a simple circuit to blink an LED. * This app is only a guide, and the user is solely responsible for property damage or personal harm.

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

Pi AR3 screens
BlueGrays4 screens

Verdict

The call

The clearest difference is rating: Pi AR at 5.0 against BlueGrays's 4.4. Pi AR also leads on in-app purchases (none vs 6) and ads (none vs shown). BlueGrays's advantage is ratings volume (11 vs 1). On price, review sentiment 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 6 in-app purchases, starting at $2.99 per month. Pi AR asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Pi AR holds the better App Store score, 5.0 against 4.4. That said, the two scores are not equally well evidenced: BlueGrays has 11 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 67% of Pi AR's written reviews are positive against 64% of BlueGrays's.

Scorecard6 real differences · 4 level
Pi AR versus BlueGrays: the parameters behind the verdict, then further details
ParameterPi ARBlueGrays
PriceFreeFree
Rating5.0 (1 ratings) — better4.4 (11 ratings)
Positive reviews66.7% of reviews — better64.3% of reviews
Number of ratings111 — better
Update frequency—Every 6 days
AdsNo — betterYes
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS11.0 — better15.1
Further details — not scored
Size34 MB51 MB
Age rating4+4+
DeveloperEOS Innovations LLCYunus Emre Eke

Customer experience

Pi AR

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews3 reviews
Positive66.7%
Neutral0.0%
Negative33.3%

BlueGrays

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

In-app purchases

None

Pi AR

No in-app purchases

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 Pi AR free?
Pi AR is free to download, with no in-app purchases.
Is BlueGrays free?
BlueGrays is free to download, with in-app purchases available.
Which has better reviews, Pi AR or BlueGrays?
Pi AR is rated higher. Pi AR averages 5.0 out of 5 from 1 ratings, while BlueGrays averages 4.4 from 11 ratings.
Do Pi AR or BlueGrays have ads?
BlueGrays shows ads; Pi AR does not.

Other comparisons