Yes. Every feature described on this site is free right now, for both of you. There is no trial, no paywalled tier and no card required. If paid extras ever arrive they will be cosmetic — the relationship features stay free.

That is who it is built around. The whole loop is asynchronous, so nothing needs you both awake at the same time. Boosts wait for them, Talking Hearts holds your answer until they reply, streak freezes cover the days that get away from you, and both phones stay in sync without refreshing.

Exactly two. One of you starts a world and gets an invite code or link, the other joins with it, and that world is private to the pair of you. A world that already has two people in it cannot be joined.

No. The map has no GPS and no location tracking. Fog only lifts where one of you deliberately taps to pin a memory, and the town and country are looked up from the spot you tapped — never from your device.

No, and that is the point. XP only ever arrives from your partner spending their energy on you. You get 6 energy a day, so you cannot spam it — each boost has to mean something.

You lose the flame and nothing else. No XP, no levels, no trophies. If you have a streak freeze banked it is spent automatically to cover the missed day, and you only reset once you are out of freezes.

KTL runs in your browser and installs to your home screen as an app, so there is no app store step. Once installed it opens full screen and can send you push notifications.

Yes. A world holds two people and nothing is shared outside it. Map photos, love notes, Talking Hearts answers and reward history are visible only to the two of you.

One of you starts a world, sets your anniversary and shares the invite code. The other joins with it. From there you both have 6 energy, a daily chest to open, a question to answer and an empty map — the first boost usually happens within about a minute.