KairTick: Love Letter to Crush

Some words don't belong in a chat bubble. Write them as a letter, send it to the person they were meant for, and let the reply come in its own time.

Some words are hard to say in passing. Some feelings deserve a letter.

KairTick is a quiet place to write to someone who matters — slowly, honestly, in your own words — and have that letter delivered to their phone. No feed, no swiping, no noise. Just paper, your words, and the person they were meant for.

HOW IT WORKS

1. Write it down Say the thing you have been carrying around for a while. Take your time — and choose, in your own time, when to sign your name. That moment is always yours.

2. Send it on its way Address the letter to their phone number (you can pick from your contacts). They get a gentle heads-up pointing them to a letter written just for them — sealed, and openable only by the number it was addressed to.

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

WHY A LETTER, NOT A TEXT?

In a world of instant replies, a letter says what no message can: I took my time for you. KairTick brings that back — warm paper, unhurried words, and the quiet of waiting for an answer.

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 won't 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

FOR THE LETTERS YOU KEEP PUTTING OFF

• A feeling you have never found the right moment for • A confession you have rewritten in your notes app a hundred times, then deleted • A letter you want to send now and sign later — it stays unsigned until you decide • A thank you, an apology, an I miss you — something that deserves more than a message • You know exactly how you feel and have no idea how to word it, and you would like a little help

YOUR WORDS, IN CAREFUL HANDS

Every letter stays sealed until it reaches the number it was written for. That 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 already know each other. Please write to someone who would be glad to hear from you.

KAIRTICK VIP

KairTick VIP is a monthly auto-renewable subscription that unlocks reading replies and writing with Cupid. It starts with a 3-day free trial and then renews at the monthly price shown in the app before you subscribe; prices vary by region. Payment is charged to your Apple ID at confirmation of purchase. The subscription renews automatically unless it is cancelled at least 24 hours before the end of the current period. You can manage or cancel it anytime in your App Store account settings.

Some feelings deserve more than a message. Write the letter.

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