AI personal trainer that builds one plan for 12 sports and adapts daily to your sleep and fatigue
Your steps grow a little friend
Stage
Startup
Startup
Founded
2026
2026
Based in
ES
Not given
Pricing model
Not given
Freemium
Pricing
Free plan forever with no card needed. EntrenAI Pro: €7.99/month or €23.99/year with 7-day free trial.
Free base app. Trotlings Plus: $3.99 per month, $29.99 per year, or $49.99 once. Herd Pass: $4.99 once. Item packs: between $0.99 and $4.99, with Every place at $9.99.
Key features
One plan for 12 sports with coordination between strength and cardio
Daily adaptation based on sleep, stress and fatigue with Readiness Score
Periodization with five-week blocks and automatic deloads
Automatic plan recalibration if you miss a session
Menstrual cycle adaptation for women
Integration with Strava, Apple Health, Health Connect and wearables
Personalized nutrition and hydration guidance per session
Weekly leagues, ranking system and social features
Progress charts, race predictions and monthly reports
Creature hatches and grows based on daily steps
Lives on home screen, lock screen and Apple Watch widgets
Free daily lucky box earned through walking with displayed odds
Creature species collection book with walk journal
Herds of up to 4 people (8 with Plus/Herd Pass) sharing weekly step goals
No rankings or competitive pressure in shared goals
Friends join by link or six-letter code without sign-in or payment
Step sharing is optional and controllable at any time
Works with Apple Health step data
Rest days supported with no streaks to maintain
What makes it different
Daily adaptation to fatigue and sleep instead of fixed plans
Plan rearrangement if you miss workouts without starting over
Built on training science with rules engine, not just generative AI
No competitive rankings or guilt-based mechanics
All creatures and art generated by code, never AI-generated art
Step data stays on your phone, never sent to analytics or ranked
Rewards for consistent walking with achievements like flower locket and crown
EntrenAI
Trotlings