Launchpad

Small studio. Useful apps. Shipped from a rock in the Pacific.

Launchpad is the publisher behind Pacific Watch, Spin Spin Revolution, Summon3D, and ABA Mastery. One person, no fluff. Software built to be the kind I'd want to use.

Apps shipped
4
Founded
2023
Team
Solo
Platforms
iOS · Web

Focused apps for the people who'd actually use them.

Launchpad ships software the way I'd want it to behave: fast, opinionated, and respectful of the user's time. Each app stays narrow on purpose: one job, done well, in front of you when you need it.

No dashboards full of vanity metrics. No growth-team dark patterns. No AI banner above every feature. Just tools that do the thing, and quietly get out of the way.

Most of what's here started as a personal itch: a missing app, a workflow I couldn't find, a problem worth carrying. Building under one studio umbrella keeps the work consistent without dragging a personal name across every install screen.

Four apps. Each one earns its own page.

ABA Mastery logo
2026
New

ABA Mastery

AI-powered BCBA exam prep.

A mobile-first study companion for aspiring Board Certified Behavior Analysts: domain drills, mock exams, spaced flashcards, and an AI tutor that explains why an answer was wrong, not just that it was.

  • Adaptive readiness score, weighted by domain coverage
  • Quiz modes: domain drill, quick quiz, mock exam, weak areas
  • Original scenario-based question bank, no copyrighted BACB material
PWAReactHonoDrizzlePostgres
Pacific Watch app icon
2025-Present

Pacific Watch

Real-time Hawaii preparedness dashboard.

Earthquakes, volcanoes, surf, air quality, power outages, traffic cams. Every signal that matters in Hawaii, aggregated from a dozen-plus public APIs into one calm, glanceable view.

  • 19+ backend integrations across USGS, NWS, and Hawaii DOH
  • Color-coded threat dashboard across 8 categories
  • Live HLS traffic and scenic camera grid, 100+ feeds
Next.jsTypeScriptSupabaseLeaflet
Spin Spin Revolution logo
2026

Spin Spin Revolution

A rhythm game for your spin bike.

Connect a Bluetooth cadence sensor, pick a song, and chase RPM targets that sync to the beat. Score points for accuracy, build streaks, and battle friends in real time.

  • Bluetooth Web API integration for cadence sensors
  • Real-time multiplayer via Supabase Realtime channels
  • Community pattern library with likes, search, and sharing
Next.jsSupabaseStripeBluetooth Web API
Summon3D logo
2023-Present

Summon3D

3D printing as a service.

Upload a model, preview it, get a quote, and ship. An end-to-end SaaS for makers who want their files turned into parts without thinking about printers.

  • End-to-end order flow with Stripe checkout
  • Real-time order status and admin dashboard
  • 3D model preview on upload, scalable order pipeline
Next.jsTypeScriptPostgreSQLStripe

The door is open.

Launchpad is a one-person studio, but it isn't a closed one. Writing about an app, exploring a partnership, or have something we should build together? Reach out. I read everything.

david@daviddo.dev
Available on
Download on the App StoreThe webPWAiOS