Offline-First

6 things tagged Offline-First.

Case studies

Consumer Productivity, Mobile Writing Tools

Lexora: Building a Private, Offline Writing Keyboard for Android

Most writing assistants rely on cloud processing, which creates privacy concerns, network dependency, and delays during typing. I wanted to build a writing tool that could help people improve grammar, spelling, clarity, and tone directly inside the apps they already use, without requiring an account or sending their text to a server. The challenge was not only building a writing engine. The product also had to work as a keyboard people would genuinely choose to use every day.

  • Flutter
  • Dart
  • Kotlin
  • Android Input Method Editor

Writing

Lexora

Building Lexora: A Privacy-First Writing Keyboard That Works Offline

Lexora is an Android keyboard that helps people improve spelling, grammar, clarity, and tone wherever they write. Here is how I built its on-device writing engine, custom keyboard, and fast Android integration without sending text to a server.

Oct 2026 · 7 min read

flutter

What Shipping Many Flutter Apps Taught Me About On-Device Work, Honest Offline, and Thin Clients

Flutter is how I ship. The interesting part isn’t widgets — it’s the product bets that keep repeating: on-device compute, honest fallbacks, and thin clients for heavy backends.

Aug 2026 · 4 min read

speech

Building VocoLiss: Text-to-Speech Reading With AI That Degrades Honestly Offline

I shipped VocoLiss — turn documents into speech and study aids. The hard part was race-safe TTS highlighting and AI that falls back offline without lying when the server actually errored.

Aug 2026 · 3 min read

floor

Building FloorMind: AI Floor Plans That Stay Editable — Even Offline

I shipped FloorMind — describe a home, get a floor plan you can still edit. The hard part wasn’t the LLM. It was making “AI” return rooms and openings, with a full offline path when there’s no API key.

Aug 2026 · 3 min read

sellsnap

Building SellSnap AI: Seller Campaigns With an Offline-First Demo Path

I shipped SellSnap for small online sellers. The bet wasn’t cloud AI. It was a complete campaign flow that still works in demo mode on your phone.

Aug 2026 · 2 min read