Showing 81–100 of 1,000 ranked alternatives.
BytePioneers s. r. o.
Track meals, transport, and eco activities
Track eco activities like meals, transport, and plastic use. Calculate saved water, land, CO2, and plastics. Set vegan, car-free, or plastic-free days in a calendar. Review monthly summaries to assess environmental impact.
Vladimir Bayatov
Idioms, verbs, and prepositions
Knowledge with quizzes on idioms, phrasal verbs, slang, irregular verbs, and prepositions. Features include randomized questions, multiplayer mode, and vocabulary expansion. Track progress and challenge friends.
Jose Bello
Track magnetic fields and detect ferromagnetic metals
Detects magnetic fields and ferromagnetic metals using the iPhone's compass. Issues a warning beep when magnetic fields are present. Identifies devices emitting radio-frequency EMF such as plugs, cell phones, and routers.
Armchair Engineering
Check commodity prices and trends
View commodity prices and price changes for 15 common items. Access historical data spanning 1 to 36 months. Customize accent colors for interface preferences. Add widgets for market insights.
Lucy Enterprises LLC
Calculate electricity costs with detailed financial analysis
Calculate levelized cost of electricity for power plants using net-present-value analysis. Input discount rates and financial incentives. View detailed breakdowns of revenue, taxes, depreciation, and CO2 tax.
Black Tech Pvt Ltd
Calculate emissions, offset impact
Calculate your by inputting data on daily activities. Offset emissions by supporting environmental projects. Track progress and receive personalized recommendations to reduce environmental impact.
World Wildlife Fund, Inc.
Explore , learn about ecosystems, and practice
Explore temperate with guided AR tours featuring interactive wildlife. Learn about forest ecosystems, threats, and sustainable management practices. Plant an augmented reality forest to visualize conservation efforts and share the experience.
Howard Hughes Medical Institute
Explore ancient Earth maps and climate data
Explore Earth's geological history by visualizing continents, oceans, and climate changes over billions of years. Adjust time scales to view past landscapes, track sea level shifts, and observe planetary transformations.
Climate Action Now (USA)
Share opinions, track impact, influence change
Share news articles and petitions related to change. Sign and share petitions. Track progress of initiatives. Receive updates on fossil fuel industry activities. Connect with other users to organize actions. Submit feedback on environmental policies.
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