90 Day Workout Tracker Body Builder is a free iPhone app developed by Jared Grant. It is a universal companion app designed for those following a 90-day weightlifting routine. The app focuses solely on weightlifting and provides an easy way to track progress throughout the 90 days.

The latest update for iOS 16 includes added support for iCloud Backup and Sync, allowing users to automatically back up and sync their data across multiple Apple devices. The app is optimized for iPhone and iPad retina displays in both portrait and landscape mode.

Users can select their workout level intensity, choosing between "Tone" or "Bulk". The app also offers a disable Auto-Lock feature, keeping it open during use. Additionally, there is a Sessions feature that allows users to start the 90-day routine again and keep track of previous session data.

The app provides the ability to import previous session data as a starting point and includes options to delete all data or just the current session data. Users can also take monthly photos to visually track their transformation progress and record monthly measurements.

Overall, 90 Day Workout Tracker Body Builder is a comprehensive app for weightlifters looking to track their progress and stay motivated throughout a 90-day routine.