# Knots Jiu Jitsu — Knots Jiu Jitsu Member App

> Knots Jiu Jitsu Member App (iPhone/iPad app by Clubworx.)

- Source: https://appshunter.io/ios/app/knots-jiu-jitsu/id6450952463 (this page in markdown: same URL + `.md`)
- Developer: [Clubworx](https://appshunter.io/developer/1595530039)
- Category: Health & Fitness, Sports
- Price: Free
- Age rating: 4+
- Requires: iOS 15.1 · 174 MB
- Languages: American English
- Released: 2023-11-01
- Data updated: 2026-08-14
- User reviews in markdown: https://appshunter.io/ios/app/knots-jiu-jitsu/id6450952463/reviews.md

## What is Knots Jiu Jitsu?

20v helps martial arts dojos, gyms, studios and more to manage their clients schedules, payments, communications and more. 

The 20v Member app is designed for members/clients of 20v gyms and studios. 

20v FOR CLIENTS
You may be requested by your fitness studio to download the 20v app to access classes/bookings, make payments, track workouts, check in and receive messages. A summary of what you can do with the 20v Member app is below. 

- Book into classes, buy classes and memberships 
- View and manage payments 
- Manage bookings for the whole family from one login
- Self check into classes from app within a certain proximity of class
- View and access an online workout library or personal program*
- access martial arts grading + belt tracking information *
- receive messages via push notifications for you and your family.

IMPORTANT NOTE:
The 20v member app is a companion application for businesses that use 20v. If you are a client please contact your fitness studio for details on how to access their account. 

*Not all features are used by all fitness studios; check with your fitness studio/club/school that you wish to use the 20v member app for to understand what features are relevant to you.


## Version history (last 5 releases)

### 3.2.5 — 2026-08-07

- Performance Improvements
- Bug Fixes
- UI/UX Enhancements

### 3.2.4 — 2026-06-10

- Performance Improvements
- Bug Fixes
- UI/UX Enhancements

### 3.2.3 — 2026-06-04

- Performance Improvements
- Bug Fixes
- UI/UX Enhancements

### 3.2.2 — 2026-05-12

- Performance Improvements
- Bug Fixes
- UI/UX Enhancements

### 3.2.1 — 2026-04-02

- Performance Improvements
- Bug Fixes
- UI/UX Enhancements

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## More apps by Clubworx

- [Clubworx](https://appshunter.io/ios/app/clubworx/id1595530037)
- [The Fight Centre](https://appshunter.io/ios/app/the-fight-centre/id1610750413)
- [Alliance Australia](https://appshunter.io/ios/app/alliance-australia/id1610868158)
- [Northside Martial Arts](https://appshunter.io/ios/app/northside-martial-arts/id1611686978)
- [Onyx Mixed Martial Arts](https://appshunter.io/ios/app/onyx-mixed-martial-arts/id1611888355)
- [Phoenix Training Centre](https://appshunter.io/ios/app/phoenix-training-centre/id1611894979)

All apps by Clubworx: https://appshunter.io/developer/1595530039

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-14.*