BJJLINK vs ChlngeAI
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
BJJLINK
This app helps Jiu Jitsu practitioners track their training progress and manage their history. For students at affiliated academies, it also provides access to class schedules, announcements, and attendance tracking.
- Track training progress
- Manage training history
- View class schedules
- Receive academy announcements
- Track attendance
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A utility app built for Jiu Jitsu practitioners around the world. Designed to support your training journey, it offers tools to track progress, manage your training history, and stay organized on and off the mats. For students at academies using BJJLINK Admin+, this app also serves as the member portal—giving access to class schedules, announcements, attendance tracking, and more. Whether you're training at home or part of a BJJLINK-connected academy, this app is built to support and connect your Jiu Jitsu journey.
ChlngeAI
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Same workout. Now let's see who wins. CHLNGE is the only gym app where AI builds your session, you log it at gym speed — and a friend runs the exact same workout, head to head. No mismatched stats. No excuses. One leaderboard. Built for people who train with intention and want structure without the spreadsheet homework. CHALLENGE FRIENDS ON THE SAME WORKOUT Send any session to a friend as a head-to-head challenge — same exercises, same targets, fair scoring across total volume, strength, and completion. Settle it apples-to-apples. ONE TAP TO TRAIN Walk in knowing exactly what to do. CHLNGE generates a complete, personalized workout in seconds — built around your goals, your schedule, your equipment, and your training history. GYM-SPEED LOGGING Log weight, reps, and RPE in a tap. See your last performance on every exercise, run rest timers, swap exercises, and get notified when you hit a PR. Stay in flow between sets — not staring at your phone. CHAT TO ADJUST (PRO) Squat rack taken? Thirty-five minutes instead of sixty? Knee not cooperating? Tell your coach what changed and the workout adapts instantly — no rebuilding, no losing your program. TRAIN AROUND INJURIES Your injuries and limitations are part of your profile, and every workout is built to respect them — with substitutions offered whenever a movement doesn't fit. COACH CREWS Follow APEX, FORGE, or SPARK — AI coach crews that post workouts and weekly challenges to your feed. Pick the training personality that matches yours. FREE & PRO Train free with crew workouts, gym-speed logging, and challenges. CHLNGE Pro is your personal AI coach: 30 workout generations a month, chat adjustments, unlimited history and tracked exercises, and advanced analytics. CHLNGE Pro: $9.99/month or $99.99/year (auto-renewing). Payment is charged to your Apple ID account. Manage or cancel anytime in your device subscription settings. Terms of Use (EULA): https://chlnge.com/terms Privacy Policy: https://chlnge.com/privacy
Screenshots
Verdict
The clearest difference is update cadence: BJJLINK at weekly against ChlngeAI's every 4 weeks. On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
BJJLINK ships an update weekly, ChlngeAI every 4 weeks. The most recent releases landed on September 25, 2026 and September 19, 2026 respectively.
| Parameter | BJJLINK | ChlngeAI |
|---|---|---|
| Price | Free | Free |
| Rating | 3.9 (14 ratings) — better | — |
| Positive reviews | 75.0% of reviews | — |
| Number of ratings | 14 — better | — |
| Update frequency | Weekly — better | Every 4 weeks |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 15.1 | 15.1 |
| Further details — not scored | ||
| Size | 37 MB | 58 MB |
| Age rating | 4+ | 12+ |
| Developer | Mixed Martial Arts Group Limited | Bravsca Software LLC |
In-app purchases
BJJLINK
No in-app purchases
ChlngeAI
No in-app purchases









