Supabase vs Firebase in 2026: I Used Both in Production. Here's the Truth.
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Last year I shipped two products within six months of each other. The first used Firebase. The second used Supabase. Both are in production. Both have paying customers. And I have thoughts. The Firebase vs Supabase debate online tends to collapse into tribal camps. Firebase loyalists who remember the magic of Realtime Database circa 2018. Supabase converts who found Postgres and never looked back. Both sides talk past each other because they are optimizing for different things. I am going to t