Other apps deliver on a date.
We deliver on the moment.
Write it today, open it when you need it.
Write it on a strong day. Open it on a hard one. Sincere is how you show up for yourself when no one else can.
Get early access
We'll text and email you the moment Sincere hits the App Store.
Why Sincere is different
Everyone else is built around a date. We're built around a moment.
A reminder nags you about a task. A letter to your future self lands on a calendar square. But the hard day doesn't check the calendar. It just shows up. So should the words you'll need.
A date.
(reminders · calendars · future-self letters)
You pick March 4th. It arrives March 4th, whether or not that's the day you're struggling.
- Delivery pinned to a calendar, not your life
- A notification, not your own voice
- Built to nag you, or to be read back by accident
A moment.
(Sincere)
You name the moment: "when I want to quit." It waits, sealed, until life delivers that condition.
- Opens when the moment finds you, not on a square
- Your own words, returned to you
- Care, not a task. No streaks, no nagging
How it works
Three steps to show up for yourself.
Say it now
Put it into words. The things you wish someone would say to you? Say them to yourself, today, while you have them.
Name the moment
Not a date. A moment. "Open when you want to quit." "Open when you miss home." Then seal it. You won't see it again until then.
Be met, when you need it
On the day life delivers that moment, it arrives. In your own words. The person who shows up for you turns out to be you.
What you'd actually send
One you writes it. A different you opens it.
Every Sincere capsule is a bridge between two versions of you: the one who has the words right now, and the one who'll need to hear them later. Here's what crosses that gap.
Motivation
Fired-up you → Burnt-out you
"You started this for a reason you still believe in. Don't you dare quit on a Tuesday."
open when you want to quit
Sober → Drunk
Sober you → Drunk you
"Hey. Don't text them. Drink a water, go home, you'll be so glad tomorrow. I've got you."
open when you've had a few
Drunk → Sober
Drunk you → Hungover you
"You are SO loved and you danced like nobody was watching. No shame today. Big water. Proud of you."
open with your coffee tomorrow
Heartbreak
Healed you → Heartbroken you
"I know it feels like it'll never lift. It does. You're going to laugh again. I promise, because I'm you and I did."
open when your heart breaks
Big day
Calm you → Nervous you
"Breathe. You've prepared for this more than you think. Whatever happens in there, I'm proud of you for showing up."
open before the interview
Future milestone
Today's you → Next-year you
"If you're reading this, you made it a whole year. Here's where I am right now, and everything I hoped for you."
open a year from today
And so many more
Whatever future you will need to hear, say it now.
The "open when" ritual has always been for other people: partners, kids, long-distance love. Sincere brings it inward.
Your privacy, not ours
Your reflections are yours alone.
Locked to your account
Your entries are protected behind your login and can only be accessed by you. We use industry-standard security to keep your data safe in transit and at rest.
No data selling
We will never sell, share, or monetize your personal reflections. Your inner life is not a product.
You own your data
Export everything, delete everything, any time. No hoops, no waiting periods, no fine print.
Last thing
Be the person who shows up for you.
Sincere launches soon on iOS. Join the waitlist and we'll text and email you the day it's ready to download.
Save your spot
First in line when Sincere hits the App Store.