KairTick: Love Letter to Crush

Write a mysterious letter to the one who makes your heart skip.

KairTick is a quiet place to write a love letter to your crush - slow, honest, in your own words - and have it hand-delivered to their phone. No feeds, no swiping, no noise. Just paper, your words, and the person they are meant for. Send it anonymously and let your words make their heart skip first.


HOW IT WORKS

1. Pen your thoughts
Write down what you have been meaning to say. Take your time - and choose, in your own time, when to sign your name. That moment is always yours.

2. The letter takes flight
Address it to their phone number (you can pick from your contacts). They will receive a gentle heads-up guiding them to a letter written just for them - sealed, and openable only by the number it is addressed to.

3. Wait for an echo
If your words move them, they can write back. From there, a slow, heartfelt conversation begins - one message at a time.


WHY A LETTER, NOT A TEXT?

In a world of instant messages, a letter says something no text ever can: I took my time for you. KairTick brings back that feeling - warm paper, unhurried words, and the quiet joy of waiting for a reply.


WHAT'S INSIDE

- Letter paper that feels real - a warm, classic writing space that turns your words into something worth keeping
- A clue on the envelope - leave a hint only they would understand, so they know this letter could only come from someone who knows them
- Echoes - when they write back, their reply finds its way to you
- Cupid, your writing companion - when the words will not come, Cupid helps you say what you mean. Call it AI, call it rizz; it still comes out sounding like you
- A space for two - once you have named each other, continue in a quiet chat built for just the two of you


LETTERS WORTH WRITING

- Your crush, the one you have been meaning to tell for a long time - the right moment just never came
- Words you have rewritten in your notes app a hundred times, then deleted
- An anonymous letter now, your name later - it stays unsigned until you decide
- A thank you, an apology, an I miss you - something that deserves more than a text
- You know exactly how you feel and would like a little help finding the words


YOUR WORDS, IN CAREFUL HANDS

Every letter stays sealed until it reaches the number it was written for. Their number is used to deliver your letter, kept safe, and never shared with anyone else. Whether and when to sign your name is entirely up to you.

Cupid is powered by a third-party AI service. The first time you open it, we tell you exactly what would be sent and ask for your consent - and KairTick works fully without it.

KairTick is made for people who know each other - please write to someone who would be glad to hear from you.


MEMBERSHIP

KairTick membership is a monthly auto-renewing subscription that unlocks reading replies and writing with Cupid. It starts with a 3-day free trial, then renews at the monthly price shown before you subscribe; prices vary by region. Cancel anytime in your Google Play settings — cancel before the trial ends and you are not charged.


Some feelings deserve a little mystery. Write the letter.

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