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Letter Beta

2022
2 mins


ganesh kumar

i'm ganesh kumar. design engineer. i build with mycelium, figma, typescript, and whatever's in between since 2018 & believe the best interfaces are the ones you forget you're using... read about the work and team i'm after

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Letter Beta is a mobile app where strangers could anonymously send each other messages of kindness. I built it solo during 2020 lockdown when social media felt more toxic than ever.

The idea was simple: what if we had a digital space designed to spread kindness instead of outrage? Users could write anonymous requests for kindness and reply to others with compassion. No usernames, no profiles, no social pressure.

Letter app interface showing kindness messages
The main interface with soft colors and space for real human connection. No likes, no followers, just kindness flowing between strangers.

Before launching publicly, I invited close friends to test the alpha version. Their responses made all those late coding nights worth it:

Early user feedback from Letter alpha testers
Alpha testers’ responses... these messages gave me the energy to keep building. When people say your work made their day better, you know you’re onto something special.

After 8 months of development, Letter launched on the Amazon Appstore. 2,400+ downloads in the first month, 87% user satisfaction rating, and messages like “This app made me believe in human goodness again.”

Figma prototype screens of Letter app
From Figma prototype to real app... hundreds of design iterations to get the flow just right. Each screen designed to make vulnerability feel safe.
Letter app tab bar icons and interface elements
playful icons designed to feel warm and approachable... every detail mattered in creating a space that felt safe for vulnerability
Letter app mail stamp designs
collectible stamps celebrating small acts of kindness... turning every sent letter into a tiny achievement worth celebrating
Letter app reporting and moderation interface
thoughtful moderation keeping the space safe... spam filters and reporting flows designed to be clear without feeling heavy-handed

Check out Letter on the Amazon Appstore.

Letter banner overview

Ps. The oceanic color palette and gentle envelope animations still make me smile. Sometimes the simplest interactions create the most meaningful connections.

Topics:

mobile app0-1 designiOSandroid