Head-to-head, indicative as of Oct 2026. Prices change — always confirm on the vendor page.
Quick read: pick Supabase if your workload is postgres, auth, storage without a backend team and its included egress fits your traffic shape; pick Semrush if you need keyword research, rank tracking, and competitor audits. For anything latency-sensitive at the edge, cold start row is the tiebreaker.
| Supabase | Semrush | |
|---|---|---|
| Type | Postgres platform + auth | SEO & marketing suite |
| Free tier | 2 projects, 500MB DB | Limited free tools |
| Paid pricing (indicative) | Pro from $25/mo | Pro ~$139.95/mo (~$117/mo billed annually) |
| Egress | Included allowances | n/a (SaaS) |
| Cold start | N/A | n/a |
| Regions | Multi-region | Global data |
| Best for | Postgres, auth, storage without a backend team | Keyword research, rank tracking, and competitor audits |
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Last reviewed 2026-10-02 · NinjaOps SEO grid · DevOps blog