trainedB.ai vs KronixAI
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- Real coach game assessment
- Personalized training plans
- Skill tree progress tracking
- Video-backed improvement proof
- Find and book local coaches
- Organize pickleball games
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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
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.
- 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
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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
Verdict
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
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.
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.
trainedB.ai ships an update every 5 days, KronixAI every 2 months. Both last shipped on November 13, 2026.
| Parameter | trainedB.ai | KronixAI |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (3 ratings) | 5.0 (4 ratings) |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | 3 | 4 — better |
| Update frequency | Every 5 days — better | Every 2 months |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 15.1 | 15.1 |
| Further details — not scored | ||
| Size | 63 MB | 50 MB |
| Age rating | 4+ | 17+ |
| Developer | TrainedB.ai Inc. | WESLEY WEI-FAHN HUANG |
Customer experience
trainedB.ai
KronixAI
In-app purchases
trainedB.ai
- trainedB.ai Premium$12.991 Month
- trainedB.ai Premium — Annual$99.991 Year
KronixAI
No in-app purchases









