Comparison

trainedB.ai vs KronixAI

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

Head to head
About

trainedB.ai

This app provides personalized pickleball training plans based on real coach assessments. Track your skill progression and prove your improvement with detailed evaluations and a visual skill tree. It also helps organize games and find local coaches.

Highlights
  • Real coach game assessment
  • Personalized training plans
  • Skill tree progress tracking
  • Video-backed improvement proof
  • Find and book local coaches
  • Organize pickleball games
Features
Read full description

Get better at your sport, one skill at a time. trainedB.ai turns practice into progress you can see. Take an assessment, find the one skill that will move your game most, and work on it with short, focused drills. Your skill tree grows as you improve, and a retest shows what changed. TRAIN ON YOUR OWN OR WITH A COACH - Focus on one skill at a time, with a weekly practice plan and streaks - Log practice, matches and tournaments - Book lessons and video reviews with real coaches - Upload game film and get it reviewed PLAY WITH YOUR PEOPLE - Join clubs and events, and find games with your crew - Share Proof of Work cards of your sessions TRAINEDB.AI PREMIUM Players can subscribe to trainedB.ai Premium (monthly, auto-renewing) for more focus picks, longer history and more media. Payment is charged to your Apple Account. The subscription renews unless cancelled at least 24 hours before the end of the current period. Manage or cancel in your Apple Account settings. Trained by pros. Powered by AI. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Terms of Use: https://www.trainedb.ai/terms Privacy Policy: https://www.trainedb.ai/privacy

About

KronixAI

This AI-powered health companion integrates sleep, fitness, nutrition, and lifestyle data to provide personalized insights and recommendations. It analyzes your history and learns your patterns to offer actionable advice for a longer, stronger life.

Highlights
  • AI-powered health and fitness tracking
  • Integrates sleep, fitness, nutrition, and lifestyle data
  • Personalized insights based on biological aging science
  • Cross-pillar intelligence for interconnected health factors
  • Conversational interface for logging and questions
  • Daily readiness and trajectory scores
  • Visual dashboards and trend analysis
Read full description

KronixAI is the AI health companion built for a longer, stronger life Most health apps track one thing. KronixAI tracks everything that matters — sleep, fitness, nutrition, and the lifestyle factors around them — and uses AI to reason across all of it at once. When your gym performance drops, KronixAI connects it to a week of short deep sleep and Monday's late, heavy dinner. Come back from a trip, and it works out how to fix your jet lag without derailing your training. Few apps are as personalized — or as attuned to your goals and schedule — as this. WHAT MAKES KRONIXAI DIFFERENT Longevity lens — every insight is framed through the science of biological aging: metabolic health, inflammation, cellular repair, mitochondrial function, hormonal balance. Centralized health data — one app for every pillar plus your injury state, and one AI that sees all of it. Cross-pillar intelligence — automatically explains how last night's sleep affected today's session, how your nutrition is slowing an injury's recovery, or how a big night out is showing up in your HRV. It remembers — your whole history is on tap ("what was I benching in April?", "how has my sleep trended this year?"), and it learns your personal baselines and patterns — like how travel affects your sleep — instead of judging you against population averages. Conversational by default — log data, ask questions, and get recommendations in plain language. Snap a photo of a meal and the macros are estimated for you. Daily scores and insights — wake up to a readiness score for today, a long-term trajectory score, and the single highest-impact thing to do — generated fresh each morning from your data. Visual dashboards — rich charts and trends for every pillar; watching your deep sleep, squat progression, or protein intake over time is core to the experience, right alongside the chat. Agentic — the AI doesn't just answer; it logs your data, edits entries, builds and saves training programs and meal plans, and takes action for you. WHAT IT TRACKS Sleep — stages, HRV, resting heart rate (via Apple Health) Fitness — per-set strength data, volume, and progression; Apple Watch workouts Nutrition — meals, macros, and meal timing Injury & resilience — injury sites, pain over time, and rehab/prehab consistency Body composition — weight, body fat, and muscle mass Life — activities, travel, illness, and factors like alcohol, stress, and cycle that affect the rest Built for wherever you're starting from — brand new to exercise, an experienced lifter optimizing, improving at a sport, fixing your sleep, or simply investing in a healthier future. KronixAI is powered by Claude, Anthropic's AI. Your health data is used solely to generate your insights and is never sold. Not a substitute for professional medical advice.

Screenshots

trainedB.ai4 screens
KronixAI4 screens

Verdict

The call

The clearest difference is in-app purchases: KronixAI at none against trainedB.ai's 2. trainedB.ai's advantage is update cadence (every 5 days vs every 2 months). On price, rating, ratings volume and ads 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. trainedB.ai sells 2 in-app purchases, starting at $12.99 per month. KronixAI asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 5.0 for trainedB.ai against 5.0 for KronixAI. Both are backed by a comparable volume of ratings — 3 and 4 respectively.

UpkeepUpdate frequency

trainedB.ai ships an update every 5 days, KronixAI every 2 months. Both last shipped on November 13, 2026.

Scorecard2 real differences · 8 level
trainedB.ai versus KronixAI: the parameters behind the verdict, then further details
ParametertrainedB.aiKronixAI
PriceFreeFree
Rating5.0 (3 ratings)5.0 (4 ratings)
Positive reviews—100.0% of reviews
Number of ratings34 — better
Update frequencyEvery 5 days — betterEvery 2 months
AdsNoNo
In-app purchasesYesNo — better
MonetizationFreeFree
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS15.115.1
Further details — not scored
Size63 MB50 MB
Age rating4+17+
DeveloperTrainedB.ai Inc.WESLEY WEI-FAHN HUANG

Customer experience

trainedB.ai

All ratings3 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

KronixAI

All ratings4 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews2 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

2 purchases

trainedB.ai

Subscriptions2
  • trainedB.ai Premium$12.991 Month
  • trainedB.ai Premium — Annual$99.991 Year
None

KronixAI

No in-app purchases

Questions

Is trainedB.ai free?
trainedB.ai is free to download, with in-app purchases available.
Is KronixAI free?
KronixAI is free to download, with no in-app purchases.
Which has better reviews, trainedB.ai or KronixAI?
trainedB.ai and KronixAI are both rated 5.0 out of 5 on the App Store, from 3 and 4 ratings respectively.
Do trainedB.ai or KronixAI have ads?
Neither trainedB.ai nor KronixAI shows ads.
Which is updated more often, trainedB.ai or KronixAI?
trainedB.ai ships an update every 5 days, and KronixAI every 2 months. Most recently, trainedB.ai was updated on November 13, 2026 and KronixAI on November 13, 2026.

Other comparisons