Know your why
AI-powered fitness insights that explain your progress — not just track it.
Get started free
Your data stays private
AI Insight
Your weight has been flat for 2 weeks, but body fat dropped 0.3% — you may be recomping.
Know your why
Log meals, track workouts, and get AI-powered insights that explain your progress — including what you wouldn't tell a human trainer.
For coaches
See every client's nutrition and workouts at a glance. Track adherence, flag issues early, and spend less time on admin.
Your data, your privacy
Everything you log stays between you and your AI. The more honestly you track, the more accurate your insights.
How it works
1
Log your data
Track meals, workouts, and body stats in seconds.
2
AI analyzes trends
Tandem connects your nutrition, training, and body stats over time.
3
Get personalized insights
See exactly what's driving your progress — or holding it back.
What the AI actually tells you
“Your weight has been flat for 2 weeks but body fat dropped 0.3% — you may be recomping.”
“Your protein average dropped 15g this week — this may be affecting your recovery.”
“This weight spike correlates with your cycle, not fat gain.”
Privacy
Everything you log in Tandem stays private to you, your AI, and — if you're working with one — your linked coach. We never sell your data. The more honestly you track, the more accurate your insights — so we built Tandem to be a place you can be honest.
FAQ
What does the AI actually analyze?
Your logged meals, workouts, and body stats (weight, body fat) over time — looking for trends, correlations, and changes that explain your progress.
Is my data private?
Yes. Your data is private to you, your AI, and your linked coach if you're working with one. We never sell your data.
Do I need a coach to use Tandem?
No. Tandem works on its own for self-coached users, and adds coach oversight if you're working with one.
How often does the AI generate insights?
Once a day, based on the meals, workouts, and stats you've logged.
Is it free?
Tandem is currently free.