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About
Download the Ultimate Ninjas App today to book and schedule your classes, camps, parties, open gym and events! From this mobile App, you can view class, camp, party, open gym and event schedules and sign up/book. Ensure you have selected the right location: Chicago or Elmhurst.
Optimize your time and maximize the convenience of signing up from your device!
Download this App today!
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What's New in Ult Ninjas
8.801.0
August 22, 2026
This release is mostly under-the-hood: smoother checkout and more reliable check-in. We'll keep quietly making things better.
