Comparison

BlueGrays vs Orbite Physique‑Chimie

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

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/

About

Orbite Physique‑Chimie

Features
Read full description

Orbite — Physique-Chimie intelligente Apprendre. Comprendre. Maîtriser. Orbite transforme la manière d’étudier la Physique-Chimie au lycée. Conçue pour les élèves de Seconde, Première et Terminale, l’application propose une expérience immersive, interactive et rigoureusement alignée sur les programmes officiels français. Plus qu’un simple outil de révision, Orbite est un véritable laboratoire pédagogique numérique. UNE STRUCTURE CLAIRE ET EFFICACE Chaque chapitre comprend : • Concepts clés synthétiques • Notions détaillées • Formules essentielles • Capacités officielles attendues • Erreurs fréquentes et pièges classiques • Liens transversaux entre chapitres Objectif : construire une compréhension solide et durable. CARTES MENTALES INTERACTIVES Explorez les chapitres grâce à des cartes mentales dynamiques : • Navigation fluide • Connexions visuelles entre les notions • Organisation spatiale intuitive • Interaction tactile naturelle Une approche visuelle qui structure la pensée scientifique. SIMULATIONS SCIENTIFIQUES Manipulez, testez, observez : • Visualisation de phénomènes physiques • Paramètres ajustables en temps réel • Compréhension des relations mathématiques • Expérimentation virtuelle sécurisée La théorie devient concrète. RÉVISION ACTIVE ET CIBLÉE • Capacités attendues au Bac clairement identifiées • Mise en évidence des erreurs typiques • Synthèses structurées par chapitre • Progression cohérente du programme Orbite accompagne l’élève vers l’autonomie et la maîtrise. CONFORME AUX PROGRAMMES FRANÇAIS Contenus alignés sur : • Seconde • Première spécialité Physique-Chimie • Terminale spécialité Adapté aux élèves en France et dans le réseau AEFE à l’étranger. UNE EXPÉRIENCE MODERNE • Interface fluide et élégante • Navigation intuitive • Optimisé pour iPhone et iPad • Design pensé pour la concentration Conçu par un professeur agrégé de Physique-Chimie, Orbite associe rigueur scientifique et innovation pédagogique. Orbite n’est pas une encyclopédie. C’est un outil de compréhension.

Screenshots

BlueGrays4 screens
Orbite Physique‑Chimie4 screens

Verdict

The call

The clearest difference is price: BlueGrays at Free against Orbite Physique‑Chimie's $4.99. BlueGrays also leads on iOS requirement (15.1 vs 26.2). Orbite Physique‑Chimie's advantage is in-app purchases (none vs 6) and ads (none vs shown). On 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

BlueGrays is free to download; Orbite Physique‑Chimie costs $4.99 up front. BlueGrays sells 6 in-app purchases, starting at $2.99 per month. Orbite Physique‑Chimie asks for nothing beyond the download.

Scorecard4 real differences · 6 level
BlueGrays versus Orbite Physique‑Chimie: the parameters behind the verdict, then further details
ParameterBlueGraysOrbite Physique‑Chimie
PriceFree — better$4.99
Rating4.4 (11 ratings) — better—
Positive reviews64.3% of reviews—
Number of ratings11 — better—
Update frequencyEvery 6 days—
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPodiPhone, iPad
Requires iOS15.1 — better26.2
Further details — not scored
Size51 MB13 MB
Age rating4+4+
DeveloperYunus Emre EkeGolden Pages

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
None

Orbite Physique‑Chimie

No in-app purchases

Questions

Is BlueGrays free?
BlueGrays is free to download, with in-app purchases available.
Is Orbite Physique‑Chimie free?
Orbite Physique‑Chimie costs $4.99, with no in-app purchases.
Do BlueGrays or Orbite Physique‑Chimie have ads?
BlueGrays shows ads; Orbite Physique‑Chimie does not.

Other comparisons