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Overlay2 vs Supabase

Professional comparison and analysis to help you choose the right software solution for your needs.

Overlay2 icon
Overlay2
Supabase icon
Supabase

Overlay2 vs Supabase: The Verdict

⚡ Summary:

Overlay2: Overlay2 is a storage driver for Docker that leverages the layering filesystem of UnionFS to enable image layers and containers to share files efficiently. It improves upon the older Overlay driver with enhanced performance and stability.

Supabase: Supabase is an open source alternative to Firebase. It offers easy backend storage, authentication, and APIs for web and mobile applications. Supabase provides an interface similar to Firebase with realtime databases, authentication, storage, and more.

Both tools serve their respective audiences. Compare the features, pricing, and user ratings above to determine which best fits your needs.

Last updated: May 2026 · Comparison by Sugggest Editorial Team

Feature Overlay2 Supabase
Sugggest Score — —
Category Os & Utilities Development
Pricing — Freemium

Product Overview

Overlay2
Overlay2

Description: Overlay2 is a storage driver for Docker that leverages the layering filesystem of UnionFS to enable image layers and containers to share files efficiently. It improves upon the older Overlay driver with enhanced performance and stability.

Type: software

Supabase
Supabase

Description: Supabase is an open source alternative to Firebase. It offers easy backend storage, authentication, and APIs for web and mobile applications. Supabase provides an interface similar to Firebase with realtime databases, authentication, storage, and more.

Type: software

Pricing: Freemium

Key Features Comparison

Overlay2
Overlay2 Features
  • Union file system for layering Docker images
  • Efficient sharing of files between containers
  • Improved performance over older Overlay driver
  • More stable than previous storage drivers
  • Built-in garbage collection
Supabase
Supabase Features
  • Realtime Database
  • User Management & Authentication
  • Storage
  • APIs
  • Dashboards

Pros & Cons Analysis

Overlay2
Overlay2

Pros

  • Faster start up of containers
  • Lower storage space usage
  • Better disk I/O performance
  • More stable overlay mount
  • Easier cleanup of unused image layers

Cons

  • Increased memory usage
  • More complexity than other storage drivers
  • Not compatible with some filesystems like Btrfs
  • Still in experimental phase, not production-ready yet
Supabase
Supabase

Pros

  • Open source alternative to Firebase
  • Easy to set up
  • Scales automatically
  • Free tier available
  • Built on Postgres database

Cons

  • Less mature than Firebase
  • Limited third-party integrations
  • Not as feature rich as Firebase

Pricing Comparison

Overlay2
Overlay2
  • Not listed
Supabase
Supabase
  • Freemium

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Learn More About Each Product

Overlay2
Overlay2
Reviews, pricing & alternatives →
Supabase
Supabase
Reviews, pricing & alternatives →

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