November 2026 update: since September, 72 → 77 missions, 4 investigations and 3 guided breadboard projects. Version 1.4 improves instrument controls and the oscilloscope on iPhone/iPad. Now in 7 languages: English, French, German, Spanish, Portuguese (Portugal), Traditional Chinese and Japanese. Want another language? Contact me via our website’s Support page or reply here. Offline, one-time purchase; no ads or in-app purchases. iOS/iPadOS 26+.