Watch Sensor Logger vs Ratakirja

Watch Sensor Logger turns your Apple Watch into a powerful motion and location logger. Record high-precision sensor data straight from your wrist: • Acceleration • Rotation Rate • Gravity • Attitude • GPS location Start a recording on your Apple Watch, then review your sessions on your iPhone. Every measurement is visualized with clear charts so you can spot patterns at a glance, and you can export any session as a CSV file for analysis in your favorite tools. Perfect for researchers, developers, athletes, and anyone curious about the motion of everyday life. KEY FEATURES • One-tap recording on Apple Watch • Motion sensors: acceleration, rotation rate, gravity, attitude • GPS location logging • Beautiful charts to explore your data • CSV export for spreadsheets and analysis • Manage and delete past sessions easily

Ratakirja is a privacy-first shooting logbook designed for sport shooters and reservists. Record your shooting sessions quickly at the range, maintain a trustworthy activity history, and keep your gun records organized — all stored locally on your device. No cloud accounts. No social features. Just a clear and reliable personal log. Fast session logging Log shooting sessions in seconds. Record: • date and time • range location • discipline • guns and calibers • shot counts • notes and photos Sessions can be saved as drafts or finalized when complete. Range verification made easy Ratakirja supports QR verification and signature confirmation to make instructor verification fast and reliable. At the end of a session, the instructor can confirm your log in seconds — no notebooks, no pens, no waiting. A trustworthy personal history Finalized sessions form a protected personal record. Ratakirja helps you maintain a clear history of your shooting activity and makes it easy to review sessions over time. Gun vault Maintain a structured record of your firearms. Track: • guns and calibers • permit renewal dates • maintenance reminders • usage history Activity tracking Ratakirja provides a simple overview of your activity: • shooting continuity • active months • shot totals • activity gaps These indicators help you review your progress and maintain consistent activity. Privacy first Ratakirja is designed around local data ownership. • no required accounts • no cloud dependency • encrypted backup support • your shooting history stays under your control Terms of Use: https://ratakirja.fi/terms/ Apple Standard EULA: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/