For him. Backed by Gottman research.

Stop walking on eggshells.
Start walking in tune.

The relationship app built for him. Know what phase she's in, what she needs, and what to say. Every day.

Download InTune → See how it works →
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iOS
she's on day 24 5 days until her period
9:41 5G
Her Cycle
24
DAY OF 28
Luteal Phase
Winding Down
Energy
Decreasing
Mood
Sensitive
If you've ever

You've been
here before.

i.

Asked "what's wrong?" and gotten "nothing" back.

ii.

Said the wrong thing at the worst time.

iii.

Tried to fix her mood and made it worse.

iv.

Forgotten that her energy changes every week.

v.

Wondered what you did wrong when you didn't do anything.

There's a better way →
Meet InTune

She doesn't have
to be a mystery.

InTune tells you what phase she's in, how she's likely feeling, and exactly what to do (and not do) that week. Built on 40+ years of Gottman relationship research.

Try InTune free →
Her Cycle

Know what's coming.
5 days out.

Track her cycle in one tap. See the phase, the trajectory, and what she's most likely feeling on any given day. No more being blindsided.

  • 4 phases mapped to mood, energy, and sensitivity
  • Period predictions 5 days out
  • Daily context for what's actually going on
Get the playbook →
24
DAY OF 28
Luteal Phase
Winding Down

Next period: ~May 14 (5 days)

Wingman

Your relationship coach.
In your pocket.

Ask anything, anytime. Wingman is an AI coach trained on Gottman research that knows where she is in her cycle and gives you specific, tactical answers. Not generic advice.

  • Phase-aware coaching, not generic dating tips
  • Backed by 40+ years of relationship science
  • Available 24/7 when you need it most
Meet your Wingman →
W
Wingman
Luteal · Day 24
She's been quiet all night. What do I do?
She's in luteal phase. Quiet often means she's processing, not pulling away.

Try sitting next to her without an agenda. Don't ask her to talk. Just be present. Physical proximity without expectations.
Avoid: "what's wrong?" That can feel like pressure.

Try: "I'm here if you want to talk. Or just sit."
Daily Plan

A daily prompt that
actually means something.

Open the app, get one move for the day. Matched to her phase. Specific enough to actually do. Small consistent effort beats grand gestures.

  • One specific action per day, no overwhelm
  • Date ideas matched to her energy that week
  • Streaks that track showing up, not perfection
Show up daily →
TODAY
TONIGHT · LUTEAL
Movie night with her favorite genre

Matched to her luteal phase. Comfort over ambition. Cancel the dinner reservation if you have one.

See the plan
Be extra reliable, follow through on everything
She's more emotional, that's biology
Don't try to fix her mood, just be there
Send to Her

Make her feel seen.
With one tap.

Generate beautiful, personal cards she'll actually save. Phase-aware suggestions, signed by you. The kind of thing that ends up in her group chat.

  • 8 starter messages, plus write your own
  • Personalized with both your names automatically
  • Square or story format for any platform
Send your first card →
For you,
I was just thinking how lucky I am to have you.
— Seth
May 9, 2026
Seth Hood, founder of InTune
Why I built this

I kept getting
blindsided.

One week she's high energy and down for anything. The next she's drained, sensitive, and just needs to be held. Same girl. Same week from now. I had no idea what was happening.

Turns out it's all biology. And it's actually predictable. Her hormones shift four times a month, and once you know the pattern, you can stop reacting and start showing up.

I built InTune because I wanted to be the partner she could count on, not the guy who keeps walking into buzzsaws he didn't see coming. The science was already there. The app for guys wasn't.

— Seth
Founder, InTune
The science

Backed by 40+ years of relationship research from the Gottman Institute.

The same framework couples therapists have used for decades, translated into daily action you can actually take.

40+
Years of relationship research
94%
Predictive accuracy of Gottman's relationship model
7
Principles for making relationships work
Get the science →
Common questions

Honest answers.

No. InTune is built for him, on purpose. There are dozens of cycle apps for women already. This is the first one designed for the partner who wants to show up better, with daily coaching and tactical advice instead of period tracking.
You can input her cycle dates manually based on what you observe or what she shares with you. Most guys start with a rough estimate and refine over the first two months as the patterns become obvious.
That's up to you. Some guys keep it private. Others share openly and find their partner appreciates that they're putting in the work. Both work. The app doesn't notify her or message her, ever.
No. Cycle context is the foundation, but the value is in the daily coaching, the AI Wingman, the phase-matched action plans, and the appreciation cards. Cycle data alone doesn't change relationships. Knowing what to actually do does.
Free for 7 days. After that, it's a subscription. Cancel anytime from the App Store. Less than the cost of being wrong about her mood once.

Stop guessing.
Start showing up.

The relationship you want is closer than you think. It just takes the right tools and showing up daily.

Download InTune →
7 days free Cancel anytime iOS
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