CoupleFit is live — iOS & Android

Your goals hit different
when someone's watching.

ChallengeNow builds mobile apps that turn personal goals into shared obsessions. 16 challenges across fitness, money, food, health and culture. Find yours.

⚡ Start your challengeExplore all 16 apps ↓
Download on theApp Store
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Hundreds already in active challenges
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CoupleFit · Live
Compound Interest
Savings Race
Glow Up Challenge
Quit Smoking
10K Steps
Run Challenge
Cold Shower
No Spend
Dry Month
Chef's Table
Playlist Battle
Screen Time Battle
Body Weight Challenge
Sleep Challenge
Learn Something Challenge
Our Apps · 16 Challenges

Built for people who
compete on everything.

Every app is laser-focused on one real goal — and the person who holds you to it. Pick your obsession.

🏋️
Fitness · Live on iOS & Android

CoupleFit Challenge

Track weight and steps side-by-side. Team streaks that punish you both if one slips. Real-time charts. Confetti on milestones. The fitness app that finally makes your partner show up — because now they're on the scoreboard too.

⚖️ Weight log 👟 Auto steps 📊 Live charts 🔥 Team streak
A
Amir
🔥 24-day streak · 8,421 steps
82.4 kg
↓ 3.6 kg
S
Sara
🔥 24-day streak · 10,204 steps
64.1 kg
↓ 2.9 kg
TOGETHER · THIS MONTH
6.5 kg lost
🏃
Body & Mind · Q4 2026

Glow Up Challenge

90-day full transformation. Sleep, water, no alcohol, movement, cold showers, journaling — pick your pillars. Progress photos. Glow scores. The 90-day challenge that millions quit alone. With a rival watching? Different story.

📸 Progress photos ✅ Daily pillars 🏆 Glow score
Coming Q4 2026
💰
Finance · Q3 2026

Compound Interest Challenge

Start with £1. Double it monthly. Race a friend to £10k. Watch the most powerful force in finance work in real time — with a rival who will absolutely not let you forget if you miss a day.

📈 Daily log 🧮 Compound calc
Coming Q3 2026
🏦
Finance · Q3 2026

The Savings Race

52 weeks. £1,378. Do it alone and you'll quit in February. Do it with a partner and neither of you can. Watch the vault fill up — and your partner's bar move when yours doesn't.

🎯 Shared pots 📅 Weekly check-in
Coming Q3 2026
🚭
Health · Q4 2026

Quit Smoking Challenge

The hardest thing most people ever try to do alone — made survivable with someone quitting alongside you. Log every smoke-free day. SOS your partner when you're about to crack. Track money saved, cigarettes refused, and exactly how your body is healing — hour by hour. Willpower has a 95% failure rate. Accountability doesn't.

🗓️ Smoke-free streak 💷 Money saved 🫁 Health recovery 🔔 Craving SOS
A
Amir
🔥 47 days smoke-free
£423
saved
S
Sara
🔥 47 days smoke-free
£387
saved
TOGETHER YOU'VE REFUSED
1,880 cigarettes
The only quit app built for two. Because willpower alone has a 95% failure rate. Accountability doesn't.
Coming Q4 2026
🚶
Movement · Q4 2026

10K Steps Challenge

Hit 10,000 steps every day for 30 days. Auto-synced from your phone. Group leaderboard of up to 6 people. Miss a day and everyone sees it.

👟 Auto sync🏆 Leaderboard
Q4 2026
🏃
Running · Q4 2026

Run Challenge

Couch to 5K, 5K to 10K, or marathon prep. Log distance, time, pace. Watch your rival's weekly mileage stack up — and feel it when yours doesn't.

📍 Route log📈 Mileage
Q4 2026
🚿
Discipline · 2027

Cold Shower Challenge

30 mornings. Cold. Every one. You log it, they log it. Skip once and everyone knows. The challenge that separates people who talk about discipline from those who have it.

🧊 Daily log😤 Shame board
2027
📵
Digital · 2027

Screen Time Battle

Both of you set a daily screen time limit. Both of you log it. Whoever spends less time on their phone each week wins. Simple. Brutal. Needed.

📊 Daily usage🏆 Weekly winner
2027
🚫
Finance · 2027

No Spend Challenge

30 days. No unnecessary spending. Coffee, takeaways, impulse buys — banned. You and a partner log every temptation resisted and every slip. See exactly how much money you'd have if you just stopped.

💸 Spend log✅ Temptations💰 Saved counter
2027
🍷
Health · 2027

Dry Month Challenge

Dry January, Sober October, or any 30 days you choose. Log sleep quality, energy, and money not spent. Race a friend — who sleeps better, feels sharper, saves more. The results will genuinely surprise you.

📅 Streak😴 Sleep log💷 Saved
2027
😴
Wellness · 2027

Sleep Challenge

Both of you commit to 8 hours a night for 30 days. Log bedtime, wake time, and quality score each morning. See who actually follows through — and watch your energy, mood and focus transform over 4 weeks.

🌙 Bedtime log⭐ Quality score📈 Trends
2027
🍽️
Food & Culture · 2027

Chef's Table Challenge

One new recipe a week. Rate each other's dishes. Log restaurants visited, cuisines tried, dishes mastered. The couple who eat most adventurously win. A food diary, cooking competition, and restaurant bucket list in one.

🍳 Cook-off⭐ Ratings
2027
💪
Fitness · 2027

Body Weight Challenge

Push-ups, pull-ups, squats, planks — set a monthly rep goal and race your partner to hit it first. No gym required. Just you, the floor, and the burning knowledge that they're already ahead of you.

🔢 Rep tracker📅 Monthly goal
2027
🧠
Learning · 2027

Learn Something Challenge

Both of you pick a skill — a language, an instrument, coding, a sport — and commit to 30 minutes a day for 90 days. Log sessions, share progress, and compete for consistency. The one who shows up more, wins more.

📚 Session log⏱️ Time tracker
2027
🎵
Music & Culture · 2027

Playlist Battle

Every week, both of you build a playlist around a theme. Friends vote anonymously on whose is better. No arguments — just data. Music taste, competitive edge, and the satisfaction of being objectively right.

🎧 Weekly theme🗳️ Blind vote🏆 Season rank
2027
💧
Health · 2027

Hydration Challenge

2 litres a day. 30 days. Both of you log every glass. Your daily bar fills up in real time — and your partner's is always visible. The challenge that sounds too easy until day three when you realise you've never actually done it consistently in your life.

💧 Intake log📊 Daily bar🏆 Streak race
2027
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2 min
Install to first challenge
How it works

Zero to challenged
in under two minutes.

1

Pick your challenge

Fitness, money, food, health, music — pick the one that'll sting the most if you quit. That's the right one.

2

Passwordless login

Enter your email. Tap the link. You're in — no passwords, no account setup required to join. Under 30 seconds.

3

Invite your person

One link via WhatsApp, SMS, or email. They join in 30 seconds. You're now accountable to each other — no graceful way out.

4

Log. Watch. Win.

Log daily. See each other's numbers move in real time. Streaks that punish you both if one slips. Charts that make progress impossible to ignore.

CoupleFit · Day 24 · Both on streak 🔥
A
Amir
🔥 24-day streak · 8,421 steps
82.4 kg
↓ 3.6 kg
S
Sara
🔥 24-day streak · 10,204 steps
64.1 kg
↓ 2.9 kg
TOGETHER THIS MONTH
6.5 kg
↓ Lost together
380k steps combined
🎉 Month 1 goal crushed!
Why ChallengeNow

Built to keep you
coming back every day.

No bloat. No upsells. No dark patterns. Every feature earns its place or gets cut.

🔒

Radically private

Your health and financial data never touches an ad network. No analytics, no brokers, no dashboards sold to anyone. What you log is yours — full stop.

📴

Offline-first

Log in the gym, on a plane, underground. Everything queues locally and syncs silently the moment you reconnect. You will never lose a single entry.

👟

Native health sync

Apple Health on iOS, Health Connect on Android. Steps pulled automatically when you open the app. No manual entry, no extra permissions, no drama.

🔗

One-link invite

Your person doesn't need an account to accept. One link. Works on iOS, Android, and browser. They're in within 60 seconds, competing within 90.

📊

Charts that motivate

Weight trends, compound growth, steps, savings progress — clean, live, and updated in real time. Progress that feels viscerally real and impossible to ignore.

🔥

Streaks that sting

Team streaks require both of you. Miss a day and you both lose it. That shared consequence is the entire product. It's why it works when everything else fails.

What people say

Already winning
together.

★★★★★

"We've tried every fitness app. CoupleFit is the first one my partner uses every single day. Seeing her number move makes me log mine without fail every morning."

JM
James M.
CoupleFit · Lost 8 kg in 10 weeks
★★★★★

"The Quit Smoking Challenge is the only thing that worked for us. Knowing she'd see my streak break was more powerful than any patch or app I'd tried before."

RK
Rohan K.
Quit Smoking · 62 days smoke-free
★★★★★

"The Glow Up Challenge idea is exactly what I've been waiting for. I've tried 75 Hard three times alone and quit each time. With my best friend on the same challenge, there's no way out."

LC
Laura C.
Glow Up waitlist · Day 31 streak

Your next challenge
starts tonight.

CoupleFit Challenge is live on iOS and Android. Install it, invite someone, and log your first entry before you go to sleep.

⚡ Open the AppSee all 16 challenges ↓
Download on the
App Store
🤖
Get it on
Google Play

Questions? [email protected]