Now Available on the App Store
BJJ Training Journal & Social App
Track your Jiu-Jitsu journey. Log sessions, review techniques, check in at your gym, and connect with training partners. Built by a practitioner, for practitioners.
The App
Log techniques, coaches, training partners, and notes after every session. Attach photos, videos, or audio recordings, and organize your entries with tags in your personal Library.
Check in at your gym and track your mat time with location-verified sessions.
Follow training partners, share sessions, and stay connected with your BJJ community.
Review your training history, streaks, and stats over time.
Earn badges for consistency, milestones, and dedication on the mats.
Visualize your training schedule and review past sessions by date.
Legal
Last updated: April 15, 2026
Sub Sessions ("the App") is operated by TJ Cabrera ("we," "us," or "our"). This Privacy Policy explains how we collect, use, and protect your information when you use the Sub Sessions mobile application.
We collect the following types of information:
Sub Sessions uses the following third-party services, each with their own privacy policies:
We do not sell your personal information. We do not share your data with third parties except as required to operate the services listed above, or as required by law.
Your training posts and check-ins are visible to users who follow you (mutual followers). Profile information such as your username, belt rank, and gym are visible to other users of the app.
Your data is retained as long as your account is active. You may delete your account and associated data at any time by contacting us at the support email below.
Sub Sessions is not directed at children under the age of 13. We do not knowingly collect personal information from children under 13.
You have the right to access, correct, or delete your personal data. To make a request, contact us at tjcabrera88@gmail.com.
We may update this Privacy Policy from time to time. We will notify you of significant changes by updating the date at the top of this page. Continued use of the app after changes constitutes acceptance of the updated policy.
If you have questions about this Privacy Policy, please contact us at tjcabrera88@gmail.com.
Help
Have a question, found a bug, or want to request a feature? We'd love to hear from you.
tjcabrera88@gmail.com