Google Opal launched as a curiosity. Describe an app in plain English, get a working AI mini-app. It was cool for prototyping but too limited for real products.
That just changed. Twice.
First, Google added autonomous agent steps to Opal in February. Then came cross-session memory. And now there's an App Store on the roadmap where creators can publish and monetize their mini-apps.
Here's why this matters for anyone building AI products.
What Opal Does Now
Opal (opal.google) is a free Google Labs experiment that turns natural language into working AI mini-apps. You describe what you want — "a research assistant that scans 10 tech news sites and emails me a daily brief" — and Opal builds the visual workflow automatically.
The new agent step means the mini-app doesn't just follow a fixed script. It adapts, asks questions, and picks tools based on context. And with memory, it remembers you from session to session.
Think of it as the no-code version of what Antigravity does for developers.
The Memory Upgrade Changes Everything
Before memory, Opal mini-apps were stateless. Every interaction started from zero. You couldn't build anything that learned preferences or built on previous work.
Now they remember. User names, design preferences, running shopping lists, brand guidelines — stored across sessions.
A Video Hooks Brainstormer Opal can store your brand identity once and generate tailored content forever. A Client Onboarding Opal can remember each client's preferences across multiple sessions.
That's the difference between a toy and a tool.
The Coming App Store
This is the part that matters for revenue. Google has an Opal App Store on the roadmap — a marketplace where creators can publish and monetize their mini-apps.
Think Shopify App Store, but for AI mini-apps built entirely in natural language.
First-mover advantage is real here. When the store opens, the creators with polished, useful mini-apps already in the wild will own the category. The barrier to entry is zero (Opal is free). The barrier to being found early is low — there's virtually no competition yet.
3 Ways to Monetize Opal Right Now
1. Lead magnets. Build a free mini-app that solves a specific problem for your ideal customer. The AI Agent Audit — upload your current tool stack, get a custom automation report. Feeds into your paid services.
2. Product packs. Bundle 5-10 mini-apps for a specific niche and sell them on Gumroad or your own marketplace. The Solopreneur's Opal Toolkit — 10 mini-apps for automating client onboarding, content repurposing, email triage, lead scoring, and reporting.
3. Build-to-order services. Offer custom Opal mini-app as a service. Most businesses don't know Opal exists. Show them a working prototype of their exact workflow in 30 minutes and you've got a sale.
Why Now
Zero competition. Free platform. A marketplace roadmap. And an agent memory upgrade that turns prototypes into products.
The window between platform launch and marketplace saturation is the most valuable time to build. Opal is in that window right now.