Your AI fitness and
nutrition coach.
Built on real research. Personalised to your goals. Edwin learns your profile, tracks your phase, and updates its recommendations as new science drops — so your plan is never out of date.
How it works
Tell Edwin your goals
A short onboarding chat collects your profile — phase, macros, preferences, and restrictions. No forms.
Get your personalised plan
Recipes built around your exact macros, workout guidance for your phase, and coaching on demand.
Edwin stays current
When new research changes a recommendation, Edwin updates your plan and publishes a Methodology article explaining why.
One platform. Four nodes.
Each node is a focused tool. Connect the ones you need. Everything shares your profile.
Recipe Generator
AI recipes built around your exact macros and preferences.
Workout App
Exercise tracking, plans, and programming guidance.
Science Library
Plain-English research, updated weekly.
AI Coach
Unlimited coaching chat powered by Claude Sonnet.
Science Library
New research every week. Edwin updates your plan when the science changes.
Protein Targets in a Caloric Deficit: What the Latest Meta-Analyses Say
Higher protein intakes during a deficit preserve more lean mass than previously recommended thresholds.
Creatine Timing: Does It Matter When You Take It?
Post-workout timing shows a small but consistent advantage over pre-workout or random timing.
Sleep and Muscle Recovery: What 7 Hours Really Does
Sub-7-hour sleep measurably impairs protein synthesis and anabolic hormone output — even in trained athletes.
Edwin shows its work.
Every time new research changes a recommendation, Edwin publishes a Methodology article explaining what changed, why, and who it affects. Your plan has a paper trail. No other fitness app does this.
See methodology articles →Pricing
Simple, transparent pricing
Build your plan. Pay only for what you use.
Free
No credit card required
- ✓3 recipe generations / month
- ✓Science library — methodology & study index
- ✓Last month's most popular article
- ✓First 100 words of every article
- ✕Node access
- ✓Edwin chat17.5K Edwin tokens / mo
Starter
1 node included · +$5/mo per extra node
- ✓Unlimited recipe generations
- ✓Unlimited access to one nodeChoose: Meals or Workout
- ✓Edwin chat79K Edwin tokens / mo
- ✓Science library — summary access
- ✕All nodes
- ✕AI Coach (Sonnet)
Premium
All nodes included
Everything in Starter, plus
- ✓Unlimited recipe generations
- ✓Unlimited access to all nodes
- ✓Edwin chat79K Edwin tokens / mo
- ✓Science library — full access
- ✓All node add-ons included
- ✕AI Coach (Sonnet) — add-on below
Add-ons
AI Coach
Sonnet-powered coaching that knows your stats, active phase, logged meals, lab results, and the full science library. Ask it anything.
Requires Premium
Family Plan
Add up to 3 household members to your Premium account. Share node access, recipes, meal plans, and health data.
Requires Premium
Extra nodes — Starter only
Science library — standalone
Summary access
$5 / mo
$45 / yr
Full access
$8 / mo
$72 / yr
FAQ
Have more questions?