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The beep test (also known as the pacer test and shuttle run test) is a standard fitness test used by professionals to test cardiovascular fitness. The beep test involves running back and forth between two markers at an increasing pace as indicated by audio beeps. Your fitness level will then be calculated based on how long you can keep the pace.
This app performs a Multi-Stage Fitness Test (also known as the Beep Test or Bleep Test). Pace shuttle runs in time with the beeps, which increase in speed every minute. Keep going until you can no longer keep up. The software displays the current level and other useful information, including speed and cumulative distance, and records your scores so that you can track your fitness over time. On completion of the test, an approximate VO2 max score is calculated for each runner. Share your scores via email, SMS, Twitter, Facebook, etc. Supports multiple simultaneous runners (useful for sports coaches who wish to test several athletes at the same time).
This free iOS app requires iOS 4.0 or later. Available on Android for $2.49.