Composable Commerce Applets: Pay-Per-Feature Toolkit that Replaces Heavy Apps
8/10
Demand Score
App bloat inflates costs and slows sites, hurting conversion and SEO; merchants need immediate savings without losing features.
7/10
Blue Ocean
Competition Level
$19-199
Price/Month
Predicted customer spend
10 days
Time to MVP
Difficulty: Hard
The Problem
Expensive and clunky third-party solutions
Competitor Landscape
- Vitals (multi-app suite)
- AppHub/Shop Circle bundles
- Bold Commerce suite
- Rebuy (recommendations)
- PageFly/Shogun for UX changes
Must-Have Features for MVP
Library of function-first applets with shared runtime
One-click migration from popular apps with config import
Performance budget guardrails and RUM telemetry
Automatic conflict detection and resolution
Usage-based billing per enabled applet
Versioned rollbacks per module
A/B testing to validate impact on conversion
Marketplace for third-party applets vetted for performance
⚠️ Potential Challenges
- Parity with edge-case behaviors of legacy apps
- Shopify Functions limitations for certain logic
- Theme compatibility and CSS conflicts
- Stateful migrations from third-party apps
Risk Level: Minimal
🎯 Keys to Success
- Reduce app subscription spend by 30%+ in month one
- Improve LCP/CLS and conversion rates measurably
- <100ms added JS per page consistently
- High retention via module expansion over time
- Near-zero breakage during migrations
Ready to Build This?
This hard-difficulty project could be your next micro-SaaS success.