Perform basic calculations in portrait mode and scientific calculations in landscape. Use root, power, factorial, exponential, division, logarithm, and trigonometric functions. Features a flat UI design similar to built-in iOS apps.
Perform complex mathematical calculations using scientific functions and simple arithmetic. Calculate percentages, taxes, and financial figures. Save and share results with others. Syncs with iPad and iPhone.
Guide with 5–7 breaths per minute to reduce stress and improve focus. Track progress over time. Set reminders for sessions. Sync with Apple Health to monitor wellness metrics.
Perform calculations, convert units of measurement, and switch between different calculation modes. Input values, select formulas, and view results. Track history and manage multiple calculation sessions.
Track cryptocurrency, precious metals, and fiat currencies with real-time data from exchanges like Coinbase, Binance, and Kraken. Monitor portfolio value, set price alerts, and view market trends.
Access exclusive digital content and search the 10-year archive of past O, The Magazine issues. Read articles, watch videos, and explore special features. Subscribe for monthly access and manage account settings.
Convert units across 20 categories with over 400 options, including mixed units like feet and inches. Add widgets for quick access. View conversion history and share results.
Read in-depth articles on travel, gear, automotive, and lifestyle topics. Explore profiles of notable figures. Access curated content on health, food, and design. Subscribe for premium features and exclusive stories.
Share a link to play social games with friends and receive instant responses on your story. View messages as they come in. VIP members see hints about senders, use night mode, and access exclusive games. Subscription available for $4.99 weekly.