Comparison

BJJLINK vs ChlngeAI

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

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.

Highlights
  • Track training progress
  • Manage training history
  • View class schedules
  • Receive academy announcements
  • Track attendance
Features
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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.

About

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

BJJLINK4 screens
ChlngeAI4 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

BJJLINK ships an update weekly, ChlngeAI every 4 weeks. The most recent releases landed on September 25, 2026 and September 19, 2026 respectively.

Scorecard1 real difference · 9 level
BJJLINK versus ChlngeAI: the parameters behind the verdict, then further details
ParameterBJJLINKChlngeAI
PriceFreeFree
Rating3.9 (14 ratings) — better—
Positive reviews75.0% of reviews—
Number of ratings14 — better—
Update frequencyWeekly — betterEvery 4 weeks
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS15.115.1
Further details — not scored
Size37 MB58 MB
Age rating4+12+
DeveloperMixed Martial Arts Group LimitedBravsca Software LLC

In-app purchases

None

BJJLINK

No in-app purchases

None

ChlngeAI

No in-app purchases

Questions

Is BJJLINK free?
BJJLINK is free to download, with no in-app purchases.
Is ChlngeAI free?
ChlngeAI is free to download, with no in-app purchases.
Do BJJLINK or ChlngeAI have ads?
Neither BJJLINK nor ChlngeAI shows ads.
Which is updated more often, BJJLINK or ChlngeAI?
BJJLINK ships an update weekly, and ChlngeAI every 4 weeks. Most recently, BJJLINK was updated on September 25, 2026 and ChlngeAI on September 19, 2026.

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