Polls & QuizzesPoll: Would You Consider Using a Smartphone App as a Backup Gyro?By Editorial Staff - Published: September 23, 20190PrintEmailFacebookTwitterLinkedin Smartphone BackupWould You Consider Using a Smartphone App as a Backup Gyro? Not on your life. Absolutely. These apps are very capable. I don’t need a backup gyro. Not aforethought, but in a pinch, yes. Would You Consider Using a Smartphone App as a Backup Gyro?Δ