Now live on Android

Apps that turn goals into
shared victories.

We build mobile challenge apps for people who do hard things together — couples, friends, teams. Track it. Log it. Win it.

🏋️ Open CoupleFit Challenge See all apps ↓
A S M J K
Join early users tracking their goals · ⭐⭐⭐⭐⭐ Built with love in Metz, France
100%
Self-hosted & private
0
Ads. Ever.
Challenges possible
1
App live — more coming
Our Apps

Built for people
who challenge each other.

Every app we build is focused on one thing: making shared goals more fun, more visible, and harder to quit.

🏋️

CoupleFit Challenge

Track weight and daily steps with your partner or group. See each other's progress in real time. The team that logs together, wins together.


⚖️ Weight tracking 👟 Pedometer sync 📊 Live charts
👟

StepsBattle

Daily step count wars with your friends. Leaderboards, streaks, and weekly prizes. Walking has never been this competitive.


🏆 Leaderboards 🔥 Streaks 👥 Teams
🔗

HabitChain

Build habits with an accountability partner. Don't break the chain. Share your streak, get notified when they do — stay locked in.


📅 Daily check-ins 🔔 Push nudges 💬 Partner chat
🧘

MindfulDuo

Couples meditation and mindfulness challenges. Sync breathing sessions, share mood check-ins, and grow calmer — together.


🫁 Breath sync 😌 Mood log 📈 Progress

From install to
first challenge in 2 min.

1

Download the app

Available on Google Play. iOS coming soon. No account needed to browse — just install and go.

2

Magic link login

No passwords. Enter your email, tap the link we send, you're in. Secure, simple, zero friction.

3

Invite your people

Share a link via WhatsApp, SMS, or email. Your partner joins in seconds and you're connected instantly.

4

Log. Track. Win.

Log daily. Watch the numbers move. Compete, support each other, and hit goals you'd never reach alone.

Why ChallengeNow

Built different.

We don't do bloat. Every feature exists because users asked for it.

🔒

Private by default

Your data lives on our server, not sold to advertisers. No third-party analytics. No tracking pixels.

📴

Works offline

Log entries even without internet. Everything syncs automatically the moment you're back online.

👟

Native pedometer

On Android, step count is read directly from Health Connect. No manual entry — it just works.

Instant updates

When we ship a new feature, it's live immediately. No app store wait, no forced updates.

🎉

Confetti moments

Hit a milestone and the app celebrates with you. Small things matter when you're grinding every day.

🌍

kg or lbs

Built for a global audience. Switch units anytime, everything converts automatically.

Built on a real stack.

Not no-code. Not a template. Engineered from scratch for performance, privacy, and longevity.

Node.js Express SQLite + WAL Capacitor Android Health Connect Cloudflare Tunnel XCP-ng Alpine Linux pm2 Magic Link Auth Service Worker Chart.js

Ready to start your
first challenge?

CoupleFit Challenge is live and free to try. Download it today and start tracking with someone who matters.

🏋️ Open the App 🤖 Google Play

Questions? Email us at [email protected]