Circuitry vs EcObjective

Circuitry is a hands-on logic game that makes Boolean algebra, logic gates, and digital circuits easier to understand. Build circuits by connecting AND, OR, XOR, NOT, and other gates, then experiment with different inputs to see how signals travel through your design. Work through 22 progressively challenging problems to unlock new components. Then use Playground Mode to create and test circuits of your own. Features: - 22 logic-circuit problems - Interactive circuit building and simulation - 36 different circuit components - Playground Mode for creating your own circuits

Know your carbon footprint in 5 minutes. Reduce it with personalized, science-backed actions. Ecobjective is the carbon footprint tracker that respects your privacy. Calculate your environmental impact, get a personalized reduction plan, and track your progress — all without creating an account or sharing your data. ▸ UNDERSTAND YOUR IMPACT Answer a few simple questions about your transport, home, and diet. Our science-based calculator gives you an accurate breakdown of your annual carbon footprint in minutes — not hours. See exactly where your emissions come from: - Transport (car, flights, public transit) - Home (energy, heating, appliances) - Diet (meat consumption, food waste, local vs imported) - Consumption (shopping habits, electronics) ▸ GET A PERSONALIZED PLAN Not all climate actions are equal. Ecobjective analyzes your profile and recommends the actions that will have the biggest impact for YOUR lifestyle. Each objective shows you: - Exact CO2 savings (in kg/year) - Effort level (Easy, Medium, Challenging) - Cost (Free to €€€) - Practical tips to get started No generic advice. No guilt trips. Just clear, actionable steps ranked by impact. ▸ AI COACHING WHEN YOU NEED IT Stuck? Our AI coaches help you overcome obstacles and stay motivated. Five specialized coaches cover: - Overall footprint strategy - Transport alternatives - Home energy optimization - Diet and food choices - Objective planning Unlike generic AI chatbots, our coaches only recommend actions from our curated, science-verified catalog. No made-up statistics. No hallucinated advice. ▸ TRACK YOUR PROGRESS Log completed actions and watch your footprint shrink over time. See your cumulative impact grow as you build sustainable habits. ▸ PRIVACY BY DESIGN We believe your environmental data is personal. That's why Ecobjective: - Requires NO account creation - Stores all data locally on your device - Never collects or sells your information - Offers optional iCloud sync (private database only) Your footprint. Your data. Your device. ▸ SCIENCE-BASED, NOT GUESSWORK Our calculator uses peer-reviewed emission factors and country-specific data. Every calculation is versioned and deterministic — you can trust the numbers. Unlike apps that scan your bank transactions or make rough estimates, Ecobjective asks the right questions and does the math properly. ▸ PRICING Ecobjective is free to download and use. Calculate your footprint, browse objectives, and track completions — all free. Optional subscription unlocks: - Extended AI coaching (200 messages/month) - More frequent plan regeneration - Support continued development --- Start your climate journey today. Five minutes is all it takes to understand your impact — and the first step toward reducing it. Download Ecobjective. Know your footprint. Take action. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/