Contact Us

Have a question, feedback, or need assistance? Email our support team directly.

stacks@otterspark.xyz

Frequently Asked Questions

Is Stacks free to use?

Yes! Stacks offers a robust free version with unlimited timers. We also offer a Premium subscription that unlocks advanced analytics, cloud sync, and unlimited categories.

Does Stacks work on iPad?

Currently, Stacks is optimized for iPhone (iOS 17+). An iPad version is on our roadmap for late 2026.

How do I restore my purchase?

You can restore your purchase by going to Settings > Subscription and tapping "Restore Purchases".