Stack, at a glance.

Less tapping. More time lifting.

Stack helps lifters keep their routines ready, pick up from their last session and see their strength progress. Free workout logging is available on iPhone and iPad. Stack Pro adds next-set targets, plate calculations, Lock Screen logging and other optional training tools.

Short description

Stack is a gym workout log that helps you spend less time logging and get more use from your training history. Start free, then add Stack Pro for more direction between sets.

Product facts

Name
Stack - Gym Tracker
Developer
Lauterstar Technologies, Inc.
Platforms
iPhone and iPad. Stack 2.0 requires iOS or iPadOS 26.2 or later.
Business model
Free workout logging with optional monthly, yearly or lifetime Stack Pro purchases.
Privacy
No account required to log. Optional iCloud sync, usage analytics and crash reporting. Analytics and crash reporting require an optional sharing choice and can be disabled anytime.

Press assets

Download the Stack icon · Workout screenshot · Strength screenshot

Screenshots use example data and may show Pro features. Keep their proportions intact and identify paid features when describing them.

Contact

support@lauterstar.com