A private space for you and your partner

Stay connected with your person

Daily mood check-ins, real conversations, and AI-powered insights to strengthen your relationship — all in one private space.

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👫Private between partners
🔐Secure authentication
☁️Cloud hosted
🚫No ads, no tracking

Everything you need to stay connected

Simple tools designed to bring you closer, one day at a time.

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Daily Mood Check-ins

Share how you're feeling each day with emoji-based moods. Let your partner know if you need extra support or want to celebrate.

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Real Conversations

Every mood check-in opens a private chat thread. Talk through what's on your mind without it getting lost in the noise.

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AI Relationship Coach

Get personalized advice and gentle insights from an AI trained on healthy relationship dynamics. Always private, always supportive.

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Weekly Insights

AI-generated summaries of your relationship patterns. Understand each other better with data-driven gentle observations.

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Virtual Flowers

Send your partner virtual flowers to brighten their day. Small gestures that remind them you're thinking of them.

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Mood Trends

See your emotional patterns over time. Identify what's working and where you might need to focus more attention.

See how it works

Check in, connect, and grow together — in under a minute each day.

tether.app/checkin
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Select your mood for today

Then add a note, share a song, and your partner sees it instantly.

Get started in minutes

No complicated setup. No long forms. Just you and your partner.

01

Create your account

Sign up in seconds with Google or email. Takes less than a minute.

02

Invite your partner

Share a simple code with your partner to connect your accounts.

03

Check in daily

Start each day by sharing how you're feeling. Your partner sees it instantly.

04

Grow together

Use the insights and chat to understand each other better over time.

Simple, transparent pricing

Start free, upgrade when you're ready. No surprises.

Free

$0/month

Everything you need to get started and stay connected.

  • Daily mood check-ins
  • Private chat threads
  • 5 AI coach messages/day
  • Weekly insights
  • Virtual flowers
  • Monthly insights
  • Premium AI model
  • Unlimited AI coach
Get Started Free
Most Popular

Premium

$4.99/month

For couples who want the full experience.

  • Everything in Free
  • Monthly insights
  • Unlimited AI coach
  • Premium AI model (Sonnet)
  • Unlimited emoji generations
  • Priority support
Get Started

Cancel anytime.

What couples are saying

Real conversations. Stronger connections.

“We used to go days without really talking about how we feel. Now we check in every morning. It's changed how we show up for each other.”

Sarah & Michael

Using Tether for 6 months

“The AI coach suggested we schedule one phone-free dinner per week. Sounds simple, but it was exactly what we needed.”

David & James

Using Tether for 3 months

“As someone who struggles to open up, the daily mood check-in makes it so much easier. My partner knows when I need extra support.”

Alex

Using Tether for 1 year

Frequently asked questions

Everything you need to know about Tether.

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Ready to strengthen your connection?

Start checking in with your partner today. Free forever — upgrade when you're ready.

Get Started Free — No Credit Card

Free plan available forever. Premium from $4.99/month.