ShareBrain: Notes for Couples
Share what’s on your mind
Free · In‑App Purchases · Designed for iPad. Not verified for macOS.
“This looks fun”
“Can you remember this?”
“That thing from earlier is still on my mind”
“Do we still have this…?”
Small thoughts that sit quietly in the back of your mind.
Not important enough to send a message.
But too important to forget.
Too small for a todo list.
ShareBrain is an app that lets you share those little thoughts with your partner — in real time.
Connect your minds
Your thoughts and your partner’s thoughts,
side by side on one screen.
No read pressure. No need to reply.
Just the quiet presence of what’s on each other’s mind.
Features
Just drop a thought
Share instantly with a single line of text. No tags, no images
Real-time sync
Your partner sees it the moment you post
Gentle notifications
Get notified when something new is shared
Mark as resolved
Clear things out when done, keep things organized
Private for two
Invite-only space just for you and your partner
Quick reactions
Respond easily with simple reactions
Perfect for
Couples who spend their days apart
People who often think “Did I already say that?”
Anyone who can’t keep up with todo apps
A new way to stay connected — mind to mind.
Start using ShareBrain today.
Privacy Policy＆Term Of Use
https://binbingin.com/apps/sharedbrain/
LICENSED APPLICATION END USER LICENSE AGREEMENT:
https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Ratings & Reviews
- This app hasn’t received enough ratings or reviews to display an overview.
・Added the ability to select bubble colors as a pro feature
・Improved performance
The developer, Seima Kurisu, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Not Linked to You
The following data may be collected but it is not linked to your identity:
- Usage Data
- Diagnostics
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- Seima Kurisu
- Size
- 31.1 MB
- Category
- Lifestyle
- Compatibility
Requires iOS 17.0 or later.
- iPhone
Requires iOS 17.0 or later. - iPad
Requires iPadOS 17.0 or later. - Mac
Requires macOS 14.0 or later and a Mac with Apple M1 chip or later.
- iPhone
- Languages
- English and Japanese
- Age Rating
4+
- 4+
- Contains
Advertising
- In-App Purchases
Yes
- ShareBrain Yearly Plan $14.99
- ShareBrain Monthly Plan $1.99
- Copyright
- © 2026 Seima Kurisu