Supabase significantly outpaces Convex in community adoption with 107,982 stars compared to 12,371 stars on GitHub. This 8.7x difference suggests Supabase has a much larger and more active community. In terms of developer contributions, Supabase has 13,546 forks, indicating strong developer engagement.

Convex and Supabase are moving at much the same rate, adding 204 stars and adding 1,523 stars respectively over the last 30 days (+1.7% vs +1.4%). Neither is pulling away from the other on momentum alone.

Both projects show recent activity, with Convex last updated 12 hours ago and Supabase 4 hours ago.

Both tools share common technology foundations, being built with JavaScript, CSS, Bash, Typescript, JSX, Python, Next.js, C, Rust, Objective-C, Vue, Kotlin, SvelteKit. However, they differ in their additional technology choices: Convex uses Golang, Ruby, MATLAB, Remix while Supabase leverages SCSS, Swift, Elixir, Tanstack Start, Dart.

Supabase has been in development longer, starting 7 years ago, compared to Convex which began 2 years ago. This 4.5-year head start suggests Supabase may have more mature features and established processes.

Supabase is licensed under Apache-2.0, while Convex's license terms are not publicly specified.

Both tools serve similar use cases in Backend-as-a-Service (BaaS).

Both Convex and Supabase offer self-hosting capabilities, giving you full control over your data and infrastructure.