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