The Climb
Build momentum, one daily task at a time.
Stage 14Boss next
Lose weight. Keep your streak.
Track your meals, weight, and activity. Build consistency with friends who keep you going.
Log your meals Scan a meal and review estimated calories and macros.
Track your weight Record weigh-ins and follow your progress over time.
Keep your streak A meal, weigh-in, or workout can keep your day going.
Keep each other going Build consistency with an accountability Group.
Know what’s on your plate.
Snap a meal and review estimated calories and macros. Keep your food log in LoseStreak or through a connected AI assistant.
See all integrations
MEAL ESTIMATE
Chicken rice bowl
680calories
Protein42g
Carbs78g
Fat18g
Meal logged
Build habits that keep you going.
Groups
Stay consistent with people who notice.
5 of 8checked in today
Leaderboards
Let your everyday effort add up.
#3
Promotion zone1,840 XP
A little friendly competition. A reason to keep moving.
LIVE CHALLENGE DAY 4 OF 7
Maya vs Amira
Running distance
MAYA18.6KM
VS AMIRA17.9KM
Maya ran 4.2 kmShe takes the lead.
Amira replied“Nice work. See you tomorrow.”
What People Are Saying
Finding motivation in everyday moments.
“The AI called out my Wednesday pizza in the verdict. In front of everyone. I've never been more motivated to meal prep in my life.”
Jake M.
Lost 8 lbs in 3 weeks
“My roommate and I have been going back and forth for 6 weeks straight. I've never been this consistent with anything fitness-related. The bets help.”
Sarah K.
6-competition win streak
“I downloaded every fitness app on the App Store. None of them worked because nobody was watching. LoseStreak fixed that problem on day one.”
Marcus T.
Down 15 lbs since January
“The verdict cards are genuinely funny. My friend group passes them around like memes. The loser never hears the end of it.”
Emma L.
Spectator & competitor
“I bet my coworker dinner that I'd out-step him for a week. I hit 14,000 steps a day. I've never walked that much in my life.”
David R.
Steps challenge winner
“The fact that my opponent can see my meals in real time changed everything. You can't cheat when someone's watching.”
Priya S.
Perfect logging streak — 30 days
“The AI called out my Wednesday pizza in the verdict. In front of everyone. I've never been more motivated to meal prep in my life.”
Jake M.
Lost 8 lbs in 3 weeks
“My roommate and I have been going back and forth for 6 weeks straight. I've never been this consistent with anything fitness-related. The bets help.”
Sarah K.
6-competition win streak
“I downloaded every fitness app on the App Store. None of them worked because nobody was watching. LoseStreak fixed that problem on day one.”
Marcus T.
Down 15 lbs since January
“The verdict cards are genuinely funny. My friend group passes them around like memes. The loser never hears the end of it.”
Emma L.
Spectator & competitor
“I bet my coworker dinner that I'd out-step him for a week. I hit 14,000 steps a day. I've never walked that much in my life.”
David R.
Steps challenge winner
“The fact that my opponent can see my meals in real time changed everything. You can't cheat when someone's watching.”
Priya S.
Perfect logging streak — 30 days
“The AI called out my Wednesday pizza in the verdict. In front of everyone. I've never been more motivated to meal prep in my life.”
Jake M.
Lost 8 lbs in 3 weeks
“My roommate and I have been going back and forth for 6 weeks straight. I've never been this consistent with anything fitness-related. The bets help.”
Sarah K.
6-competition win streak
“I downloaded every fitness app on the App Store. None of them worked because nobody was watching. LoseStreak fixed that problem on day one.”
Marcus T.
Down 15 lbs since January
“The verdict cards are genuinely funny. My friend group passes them around like memes. The loser never hears the end of it.”
Emma L.
Spectator & competitor
“I bet my coworker dinner that I'd out-step him for a week. I hit 14,000 steps a day. I've never walked that much in my life.”
David R.
Steps challenge winner
“The fact that my opponent can see my meals in real time changed everything. You can't cheat when someone's watching.”
Priya S.
Perfect logging streak — 30 days
“The AI called out my Wednesday pizza in the verdict. In front of everyone. I've never been more motivated to meal prep in my life.”
Jake M.
Lost 8 lbs in 3 weeks
“My roommate and I have been going back and forth for 6 weeks straight. I've never been this consistent with anything fitness-related. The bets help.”
Sarah K.
6-competition win streak
“I downloaded every fitness app on the App Store. None of them worked because nobody was watching. LoseStreak fixed that problem on day one.”
Marcus T.
Down 15 lbs since January
“The verdict cards are genuinely funny. My friend group passes them around like memes. The loser never hears the end of it.”
Emma L.
Spectator & competitor
“I bet my coworker dinner that I'd out-step him for a week. I hit 14,000 steps a day. I've never walked that much in my life.”
David R.
Steps challenge winner
“The fact that my opponent can see my meals in real time changed everything. You can't cheat when someone's watching.”
Priya S.
Perfect logging streak — 30 days
“My girlfriend and I compete every week now. She's won 4 out of 5. The AI's roasts of me are brutal but accurate.”
Tom W.
Couple competition addict
“I've tried MyFitnessPal, Noom, and Lose It. They all lasted about 2 weeks. LoseStreak is the only one I've stuck with because my friends won't let me quit.”
Rachel C.
Former app-hopper
“The live battle feed is addicting. I check it more than Instagram. Watching my friends' competitions play out in real time is peak entertainment.”
Alex P.
Top spectator voter
“Set a $50 bet with my gym partner on a HIIT challenge. Neither of us has ever trained harder. Money on the line hits different.”
Chris N.
HIIT challenge champion
“The Glow Up Check card comparing my Day 1 and Day 7 photos was actually shocking. I could see the difference. That's when it clicked.”
Mia H.
Weight loss competitor
“I'm a personal trainer and I've started using this with my clients. The competitive element does what motivation alone never could.”
Jordan F.
Personal Trainer, 12 active competitions
“My girlfriend and I compete every week now. She's won 4 out of 5. The AI's roasts of me are brutal but accurate.”
Tom W.
Couple competition addict
“I've tried MyFitnessPal, Noom, and Lose It. They all lasted about 2 weeks. LoseStreak is the only one I've stuck with because my friends won't let me quit.”
Rachel C.
Former app-hopper
“The live battle feed is addicting. I check it more than Instagram. Watching my friends' competitions play out in real time is peak entertainment.”
Alex P.
Top spectator voter
“Set a $50 bet with my gym partner on a HIIT challenge. Neither of us has ever trained harder. Money on the line hits different.”
Chris N.
HIIT challenge champion
“The Glow Up Check card comparing my Day 1 and Day 7 photos was actually shocking. I could see the difference. That's when it clicked.”
Mia H.
Weight loss competitor
“I'm a personal trainer and I've started using this with my clients. The competitive element does what motivation alone never could.”
Jordan F.
Personal Trainer, 12 active competitions
“My girlfriend and I compete every week now. She's won 4 out of 5. The AI's roasts of me are brutal but accurate.”
Tom W.
Couple competition addict
“I've tried MyFitnessPal, Noom, and Lose It. They all lasted about 2 weeks. LoseStreak is the only one I've stuck with because my friends won't let me quit.”
Rachel C.
Former app-hopper
“The live battle feed is addicting. I check it more than Instagram. Watching my friends' competitions play out in real time is peak entertainment.”
Alex P.
Top spectator voter
“Set a $50 bet with my gym partner on a HIIT challenge. Neither of us has ever trained harder. Money on the line hits different.”
Chris N.
HIIT challenge champion
“The Glow Up Check card comparing my Day 1 and Day 7 photos was actually shocking. I could see the difference. That's when it clicked.”
Mia H.
Weight loss competitor
“I'm a personal trainer and I've started using this with my clients. The competitive element does what motivation alone never could.”
Jordan F.
Personal Trainer, 12 active competitions
“My girlfriend and I compete every week now. She's won 4 out of 5. The AI's roasts of me are brutal but accurate.”
Tom W.
Couple competition addict
“I've tried MyFitnessPal, Noom, and Lose It. They all lasted about 2 weeks. LoseStreak is the only one I've stuck with because my friends won't let me quit.”
Rachel C.
Former app-hopper
“The live battle feed is addicting. I check it more than Instagram. Watching my friends' competitions play out in real time is peak entertainment.”
Alex P.
Top spectator voter
“Set a $50 bet with my gym partner on a HIIT challenge. Neither of us has ever trained harder. Money on the line hits different.”
Chris N.
HIIT challenge champion
“The Glow Up Check card comparing my Day 1 and Day 7 photos was actually shocking. I could see the difference. That's when it clicked.”
Mia H.
Weight loss competitor
“I'm a personal trainer and I've started using this with my clients. The competitive element does what motivation alone never could.”
Jordan F.
Personal Trainer, 12 active competitions
Start building consistency. Pro goes deeper.
Track your meals, weight, and workouts with Free. Add Pro for deeper insights and personalized support.LOSESTREAK
Free
- Meal and weight logging
- Apple Health workout sync
- Accountability Groups
- Competitions and leaderboards
LOSESTREAK PRO
Personal intelligence
- Advanced personal intelligence
- Deeper workout and Effort analysis
- Longer-term trends and recommendations
- AI Coach and personalized planning
Your Data, Protected
We handle health data. Here's how we keep it safe.
HealthKit Compliant
HealthKit data is never stored in iCloud. All health data is encrypted and handled per Apple's strict guidelines.
Encrypted Everything
All data encrypted in transit and at rest. Your weight, meals, and workouts are protected end-to-end.
Friends Only
Only friends you accept can see your data. Competition data is visible only to participants and approved spectators.
Username Discovery Only
No phone number or email contact matching. You find friends by username — nothing else is exposed.
No Health Advice
We're a competition app, not a medical app. We never give dietary advice, health warnings, or wellness recommendations.
Your Data, Your Control
Health data is read-only from Apple Health. We never write to HealthKit. Delete your account and everything goes with it.
Frequently Asked Questions
Common questions about how it works.
ONE DAY AT A TIME