GrappleOS

GrappleOS

Train. Check in. Progress.

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Free

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Details

  • Released
  • Updated
  • August 11, 2026
  • August 22, 2026

Background Location Access

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About

GrappleOS is the operating system for Brazilian Jiu-Jitsu gyms and the athletes who train there. FOR ATHLETES • See your gym schedule, favorite classes, and announcements. • Check in with GPS, a gym QR code, or your athlete QR code. • Track weekly goals, streaks, achievements, and a detailed training history. • Join gym and platform challenges, climb leaderboards, and celebrate milestones. • Connect with Mat Friends, share selected training activity, and control your public profile. • Keep a private training journal and tournament record, or import public Smoothcomp competition history without sharing your password. • Manage memberships, waivers, belt progression, and multiple gym affiliations. FOR GYM OWNERS AND STAFF • Run rosters, classes, attendance, schedules, announcements, challenges, waivers, and invitations. • Review attendance trends and class comparisons with interactive reports. • Configure branding, check-in settings, membership plans, staff access, and athlete communications. • Connect your own Stripe account for member billing while keeping gym funds and banking under your control. Built for the daily rhythm of BJJ: show up, train hard, run the academy, and track the work.
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What's New in GrappleOS

1.0.4

August 22, 2026

New in 1.0.4: • Message athletes at your gym privately—friendship is no longer required. • Use the prominent Ask for a round action on Social, or send a round request from an existing private conversation. • See gym-wide Mat Activity from athletes at your academy. • Momentum standings now explain credited sessions, weekly goals, and the path to the next position more clearly. • Improved notifications, privacy controls, blocking, legal-consent handling, and general reliability.

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