WELCOME to grit

Once you have a purchased a membership, be patient. Here’s the next steps:

  1. You will receive a e-mail from KISI, our secure door locking system. This e-mail contains the link to set up your account for your mobile “key”. You will receive an email from KISI in about 15-20 minutes after sign up.

  2. In the meantime, download our app “Grit Fitness South Berwick” on apple

    Download on Android here! ———>. “CLICK HERE

  3. Follow the instructions/Links in the e-mail to create your KISI account.

  4. You can only unlock the door by standing directly in front of it, within 3 feet. The lock symbol will turn green, you will hear the door click. The icon will say unlocked then you’ll be able to pull the door open.

Any questions email gritfitnesssb@gmail.com

or reach out via phone at 207-200-1322

Android link below

Apple Link Below

Download Kisi on Andriod here!

(Used to unlock door)

Download Kisi on Apple here!

(Used to unlock door)