Open-source Firebase alternative with Postgres database. Free tier is generous, then $25-$599/mo — but database size, bandwidth, and edge function invocations create usage-based costs.
Advertised Price
$0
/month
Estimated True Cost
$40
/month (typical usage)
Surprise Factor
N/A×
more than expected
Confidence
77%
Data source: manual
What the pricing page doesn't tell you
Pro plan includes 8GB database. Additional storage costs $0.125/GB/mo. A growing app at 50GB = $5.25/mo extra. Enterprise-scale databases get expensive.
Trigger: databaseGb > 8
+$5
/monthly
Pro includes 250GB bandwidth/mo. Additional bandwidth: $0.09/GB. High-traffic APIs or real-time subscriptions can generate 1TB+/mo = $67.50+ in overage.
Trigger: bandwidthGb > 250
+$25
/monthly
Pro includes 2M edge function invocations/mo. Additional invocations at $2 per million. Serverless-heavy architectures can generate 10M+ invocations = $16/mo extra.
Trigger: edgeFunctions > 2000000
+$10
/monthly
| Plan | Monthly | Annual (per mo) | Key Limits | Overage Rules |
|---|---|---|---|---|
Free | $0 | $0 |
| No overages |
ProPOPULAR | $25 | $25 |
|
|
Team | $599 | $599 |
|
|
Supabaseoffers a free plan, but with significant restrictions. Here's exactly what you get — and what forces you to upgrade.
⚠️ When you'll need to upgrade:
Most teams outgrow the free plan within 1-3 months. The first paid tier (Pro) costs $25/mo.
Compare cheaper options in Database & Spreadsheet ranked by true cost, not advertised price.
See Supabase Alternatives →Enter your usage to get a personalized Supabase cost estimate.
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