SpiceDB vs Supabase: Pricing and Ratings Compared (2026)
Entry prices and free plans as read on each vendor's pricing page, and user ratings as published on review sites, for SpiceDB and Supabase side by side. This page compares data; it is not a hands-on review.
On the data: On the data below the two are close or not directly comparable, so we do not name a winner for this pair.
Short on time? Here's the quick answer
Based on published vendor pricing and features and on public review data, here's who should pick what:
SpiceDB
Stop building authorization, start building value with battle-tested permissions infrastructure.
Best for you if:
- • You want eliminates the need for custom authorization development, saving engineering time
Supabase
Open source Firebase alternative
Best for you if:
- • You want full PostgreSQL access
| At a Glance | SpiceDB | Supabase |
|---|---|---|
Starts at | Free plan | Free plan, paid from $25/mo, billed monthly Pro plan |
Category | Security Data & Databases | Data & Databases Low-Code Backend |
Rating | n/a | 4.6/5 G2 4.6 · Capterra 5.0 233 reviews |
Free plan | Yes | Yes |
Watch out for | n/a | Free projects pause after 7 days of inactivity: your app goes offline until someone visits it again. Not suitable for any production use, only for development and demos |
Choose SpiceDB or Supabase?
Choose SpiceDB if
- You want eliminates the need for custom authorization development, saving engineering time
- You want offers battle-tested infrastructure with industry-leading reliability
- You work in security, not data & databases
Choose Supabase if
- You want full PostgreSQL access
- You want generous free tier
- You work in data & databases, not security
In-Depth Analysis
SpiceDB
Stop building authorization, start building value with battle-tested permissions infrastructure.
SpiceDB offers a very generous free open-source tier, making it accessible for developers and small projects.
Strengths
- Pro: Eliminates the need for custom authorization development, saving engineering time.
- Pro: Offers battle-tested infrastructure with industry-leading reliability.
- Pro: Supports highly complex and granular permission models without custom code.
- Pro: Scales to handle billions of objects and millions of users from day one.
- Pro: Provides strong consistency guarantees for data integrity and security.
Weaknesses
- Con: Requires understanding of Zanzibar-based authorization models.
- Con: Enterprise features and dedicated support are part of higher-tier paid plans.
Key features
Supabase
Open source Firebase alternative
Supabase is the open-source Firebase alternative that developers actually want to use, Postgres database, authentication, storage, edge functions, and real-time subscriptions in one platform.
Watch out
Free projects pause after 7 days of inactivity: your app goes offline until someone visits it again. Not suitable for any production use, only for development and demos
Strengths
- Pro: Full PostgreSQL access
- Pro: Generous free tier
- Pro: Open-source and self-hostable
- Pro: Great developer experience
Weaknesses
- Con: Projects pause on free tier
- Con: Smaller ecosystem than Firebase
- Con: Less mature than alternatives
Key features
Plans and prices: SpiceDB vs Supabase
| Tool | Plans and prices | Source |
|---|---|---|
| SpiceDB |
| authzed.com/pricing read Sep 29, 2026 |
| Supabase |
| supabase.com/pricing read Nov 1, 2026 |
Prices as read on each vendor's own pricing page on the date shown. Plans are listed per tool and are not matched against the other tool's plans: a plan name or price in one column says nothing about the same row in the other. Details on SpiceDB pricing and Supabase pricing.
Key Takeaways
SpiceDB
- Choose if you want stop building authorization, start building value with battle-tested permissions infrastructure
Supabase
- Choose if you want open source Firebase alternative
What the data shows
On the data below the two are close or not directly comparable, so we do not name a winner for this pair.
- Only Supabase has a published user rating (4.6/5 from 233 reviews); SpiceDB has none we can show.
- Supabase starts at $25/mo, billed monthly; SpiceDB has no public paid plan price on file.
- Both have a free plan.
Criteria: user rating (only above 20 reviews on both sides, gap of 0.2 or more), entry price (only on the same billing basis), free plan. How we rate
Frequently Asked Questions
How do SpiceDB and Supabase compare in 2026?
On the data below the two are close or not directly comparable, so we do not name a winner for this pair. Only Supabase has a published user rating (4.6/5 from 233 reviews); SpiceDB has none we can show. Supabase starts at $25/mo, billed monthly; SpiceDB has no public paid plan price on file. Both have a free plan.
What are SpiceDB and Supabase used for?
SpiceDB: Stop building authorization, start building value with battle-tested permissions infrastructure. Supabase: Open source Firebase alternative.
What does SpiceDB cost vs Supabase?
SpiceDB has no public paid-plan price on file. Supabase's cheapest paid plan is Pro at $25/mo, billed monthly; it also has a free plan. Prices read on the vendors' pricing pages, latest check Nov 1, 2026.
What's the main difference between SpiceDB and Supabase?
SpiceDB's main strength: eliminates the need for custom authorization development, saving engineering time. Supabase's main strength: full PostgreSQL access.