The nutrition app built around social accountability
Snap a photo for instant macros, then keep a streak with your gym partner that only counts on the days you both log.
Free to start. Pro unlocks deeper nutrition analysis.
Longer on hard things, just because someone was in it with you
Stanford researchers found that people who simply felt they were working together stuck with challenging tasks 48% to 64% longer than people working alone. The task never changed. Only the sense that somebody else was there.
Stanford, across five experiments on social cues and motivation
Tracking made effortless, consistency made shared
Snap a photo, watch the rings fill
Point your camera at the plate. GymBro reads what is on it and logs calories, protein, carbs, fat and sugar in seconds, including mixed and layered meals. Every number stays editable, so a bad guess takes two taps to fix.
Bring the people you already train with
Add your gym partner and you both see each other's logs, workouts and progress. Consistency stops being a private promise you can quietly break at 9pm on a Wednesday.
See the month, not just the day
Every day lands as a hit, a cheat day or a miss, with your completion rate and best streak up top. Cheat tokens let you plan a night off without breaking the run. Your partner sees the same calendar, which is the whole point.
We built the app we kept failing to stick with
GymBro started at UC Irvine out of a pattern our founder kept repeating: set goals with friends, train hard for three weeks, then watch everyone drift off separately. The apps we used were built for one person. When motivation faded, nothing held anyone to anything.
So we built the opposite. Accountability is the core of the product rather than a share button bolted on at the end, paired with AI nutrition tracking fast enough that logging a meal takes seconds instead of becoming a chore you resent.
We are a small team shipping quickly, with paying members already on Pro telling us what to fix next.
Careers
A small founding team in Irvine, remote-friendly. Join now and you own a surface area, not a ticket queue.
Mobile engineer
Own the logging flow end to end, from camera to macro breakdown.
ML / nutrition engineer
Improve photo-to-macro accuracy on portions, mixed meals and messy plates.
Growth & community
Bring real gym communities onto GymBro and keep them talking to us.
Nothing here fits but you still want in? Send what you have built to contact@gymbroweb.com.
Support
How accurate is photo tracking?
The model estimates calories and macros from a photo, and it is an estimate rather than a lab measurement. Mixed meals and hidden ingredients are the hard cases. Every value is editable, and correcting one takes a couple of taps.
Do I need a gym partner to use it?
No. GymBro works as a solo tracker. It works considerably better with at least one person who can see your logs, which is why the invite is the first thing we show you.
What does Pro add?
Pro adds deeper nutrition analysis and the more advanced tracking features on top of the free tier. Current pricing and the full feature list live in the app.
Who can see my logs?
Only the people you connect with. Partners are added by invitation, you choose what each one sees, and you can remove a partner at any time.
Can I export or delete my data?
Yes. Email us from the address on your account and we will export your history or delete your account and its data.
Something is broken. What do I do?
Email support with your device, what you were doing and a screenshot if you have one. Reports from early members go straight to the people writing the code.
Contact us
We are a small team. Expect a reply within two business days.