Nutrient estimates
When portions are uncertain, your assistant can record ranges. Membrance carries that uncertainty into nutrient totals and trends.
Health tracking through your AI assistant.
Connect your ChatGPT or Claude account to track meals, workouts and lab results. Set goals and plan from your history.
Free during beta; assistant subscriptions are separate.
Download for Android (beta)
0.0.1-dev · 107 MB · Android 8 or later
Installation instructions
- Download the app on your phone, then open the APK file from your browser's downloads.
- If Android asks for permission, open Settings and allow this browser to install unknown apps. Return to the download and tap Install. You can turn this permission off afterwards.
- Open Membrance and sign in with your existing account, or create an account on this website first.
Beta updates are installed manually: download the new version here and install it over the existing app. Keep the old app installed to retain its data.
Explore all features
Message to your assistant
“Log squats: 60 kg for 8, 8 and 6 reps. Bench: 3 × 8 at 40 kg, two reps left. Move tomorrow’s strength session to Friday.”
Workout recorded
- Squats
- 60 kg · 8 / 8 / 6 reps
- Bench press
- 40 kg · 3 × 8 reps
Bench press: about 2 reps in reserve.
Next strength session Moved to Friday
Message to your assistant
“I ate this for lunch, but only half the rice. Log it, check today’s intake against my protein target and move tomorrow’s strength session to Friday.”
Lunch recorded
Chicken, rice (½ portion), tomatoes, cucumber, lettuce and yogurt dressing.
- Energy
- 450–600 kcal
- Protein
- 35–45 g
Portions and dressing estimated.
Protein today
75–85 g of 120 g
Next strength session Moved to Friday
Message to your assistant
“Three more attempts on the blue 6b+; sent it on the last one. Add them to the same project. Compared with last month, do I need fewer tries to send 6b+ routes, and which cruxes keep coming up in my notes?”
Climbing recorded
- Blue 6b+
- Sent · 8 attempts across 3 sessions
- Median attempts to send
- 5 this month · 8 last month
- Recurring crux notes
- Feet cutting loose on overhangs
Compared 5 sends this month with 4 last month.
Message to your assistant
“I want to run 5 km under 25 minutes in 12 weeks. Use my recent runs to set milestones and plan three runs a week. Keep Tuesdays free and make next week lighter while I’m travelling.”
Goal and training plan saved
- 5 km goal
- Under 25:00 in 12 weeks
- Milestones
- Week 4: 27:30 · Week 8: 26:15
- Weekly runs
- Mon · Thu · Sun
Current best from your records: 28:40.
Travel week 20, 20 and 30 min · easy pace
Message to your assistant
“Add 3 × 8 at 40 kg to today’s bench press from Samsung Health. Compare this week’s sleep with last week and move Friday’s hard session to Sunday.”
Imported workout updated
- Bench press
- 40 kg · 3 × 8 reps
- Sleep this week
- 6 h 20 min/night
- Last week
- 7 h 10 min/night
Workout duration from Samsung Health: 32 min.
Friday’s hard session Moved to Sunday
Your assistant saves your health records and plans in Membrance. Explore them in the web or Android app.
Samsung Health
If you use Samsung Health, import sleep, steps, workouts, weight and body fat on Android. Your assistant can add missing details, such as sets and weights, and review them alongside your other records.
More health providers are coming soon.
Plans from your records
Set nutrition and training targets, compare completed workouts with your plan, and adjust the coming week.
History across assistants
Compare weeks of meals, workouts, sleep, symptoms and lab results. Your history stays in Membrance when you start a new chat or switch assistants.
How it works
Connect ChatGPT or Claude
Send a message or photo
Review your entries
Supported assistants show summary cards. The web and Android app also show charts and source details.