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 Google App Engine if you need zero-server classic app deploys on gcp. For anything latency-sensitive at the edge, cold start row is the tiebreaker.
| Supabase | Google App Engine | |
|---|---|---|
| Type | Postgres platform + auth | Managed app platform |
| Free tier | 2 projects, 500MB DB | Standard free quotas per day |
| Paid pricing (indicative) | Pro from $25/mo | Pay per instance-hour, B/F classes |
| Egress | Included allowances | Metered |
| Cold start | N/A | Minutes-scale on Standard cold |
| Regions | Multi-region | Google regions |
| Best for | Postgres, auth, storage without a backend team | Zero-server classic app deploys on GCP |
Try Supabase Try Google App Engine
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