Nairda Programming vs BlueGrays
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Nairda Programming
This educational tool enables users to program robots using a visual interface. It supports various hardware components like motors, sensors, and LEDs, and connects via Bluetooth. Ideal for learning robotics and coding concepts.
- Graphical programming interface
- Robot hardware control (servos, DC motors, LEDs)
- Sensor integration (digital, analog, ultrasonic)
- Bluetooth 4 connectivity
- Project programming on device
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Nairda robot programming is a tool that allows you to program robots with servos, DC motors and LEDs in addition to digital, analog and ultrasonic sensors using a friendly graphical interface from your device via bluetooth 4. Nairda Premium (optional auto-renewable subscription): unlimited Nairda AI requests, and your subscription follows your account to any device. - Price: US$3.99 per month (MX$79.00 per month in Mexico). The amount you will be charged, in your own currency, is shown in the app before any purchase. - Length: 1 month. Billed to your Apple ID and renewed automatically for US$3.99 per month unless you cancel at least 24 hours before the end of the current period. - A 1 week free trial is included before that first charge. - Manage or cancel the subscription at any time in your App Store account settings. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://nairda.com.mx/privacy.html
BlueGrays
This app provides over 160 hands-on projects for Arduino, ESP32, and Raspberry Pi Pico, complete with code, diagrams, and video guides. It helps users discover projects based on the parts they own and offers a suite of electronics tools and component guides.
- 160+ microcontroller projects
- Ready-to-upload code
- Circuit diagrams and video walkthroughs
- Project discovery based on owned parts
- 125+ component guides
- 18 electronics calculators
- Pinout maps for popular boards
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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/
Screenshots
Verdict
The clearest difference is rating: Nairda Programming at 5.0 against BlueGrays's 4.2. Nairda Programming also leads on review sentiment (100% vs 64%) and in-app purchases (none vs 10). BlueGrays's advantage is ratings volume (14 vs 1). On price, update cadence, ads 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
Both are free to download. BlueGrays sells 10 in-app purchases, starting at $2.99 per month. Nairda Programming asks for nothing beyond the download.
Nairda Programming holds the better App Store score, 5.0 against 4.2. That said, the two scores are not equally well evidenced: BlueGrays has 14 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 100% of Nairda Programming's written reviews are positive against 64% of BlueGrays's.
Nairda Programming ships an update every 3 days, BlueGrays every 4 days. The most recent releases landed on November 3, 2026 and November 4, 2026 respectively.
| Parameter | Nairda Programming | BlueGrays |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | 4.2 (14 ratings) |
| Positive reviews | 100.0% of reviews — better | 64.3% of reviews |
| Number of ratings | 1 | 14 — better |
| Update frequency | Every 3 days — better | Every 4 days |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Freemium |
| Devices | iPhone, iPad, iPod, Mac — better | iPhone, iPod |
| Requires iOS | 15.6 | 15.1 — better |
| Further details — not scored | ||
| Size | 107 MB | 56 MB |
| Age rating | 4+ | 4+ |
| Developer | Adrian Alvarez Galicia | Yunus Emre Eke |
Customer experience
Nairda Programming
BlueGrays
In-app purchases
Nairda Programming
No 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
Questions
Is Nairda Programming free?
Is BlueGrays free?
Which has better reviews, Nairda Programming or BlueGrays?
Do Nairda Programming or BlueGrays have ads?
Which is updated more often, Nairda Programming or BlueGrays?
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