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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!
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What's New in Ult Ninjas
8.802.0
September 8, 2026
This release is mostly us cleaning up after ourselves — a liability waiver that wasn't displaying properly, plus a few other things we've quietly tightened up behind the scenes. Quiet progress, delivered with a little humility.
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