Supabase vs Turnkey: Which is Better in 2026?
Choosing between Supabase and Turnkey comes down to understanding what each tool does best. This comparison breaks down the key differences so you can make an informed decision based on your specific needs, not marketing claims.
Short on time? Here's the quick answer
We've tested both tools. Here's who should pick what:
Supabase
Open source Firebase alternative
Best for you if:
- • You need data & databases features specifically
- • Open-source Firebase alternative
- • PostgreSQL with real-time subscriptions
Turnkey
Secure, non-custodial key management API for DeFi, AI, and consumer apps
Best for you if:
- • You need security features specifically
- • Provides secure, non-custodial private key management via a single API.
- • Enables embedded wallets, smart wallet signing, and onchain transaction automation.
| At a Glance |  Supabase |  Turnkey |
|---|---|---|
Starts at | FreeFree tier available | FreeFree tier available |
Best For | Data & Databases | Security |
Rating | 4.7/5 | - |
Choose Supabase or Turnkey?
Choose Supabase if
Open source Firebase alternative
- Full PostgreSQL access
- Generous free tier
- Open-source and self-hostable
- Your work is data & databases-shaped, not security-shaped
Choose Turnkey if
Secure, non-custodial key management API for DeFi, AI, and consumer apps
- Offers robust cryptographic security with non-custodial control over assets.
- Provides flexible and composable primitives for customized product builds.
- Achieves high performance with low latency and high availability for critical operations.
- Your work is security-shaped, not data & databases-shaped
| Feature | Supabase | Turnkey |
|---|---|---|
| Pricing Model | Freemium | Freemium |
| User Rating | ★4.7/5 33 reviews | No ratings yet |
| Categories | Data & DatabasesAPI Tools | SecurityDeveloper Tools |
In-Depth Analysis
Supabase
Open source Firebase alternative
Strengths
- +Full PostgreSQL access
- +Generous free tier
- +Open-source and self-hostable
- +Great developer experience
Weaknesses
- -Projects pause on free tier
- -Smaller ecosystem than Firebase
- -Less mature than alternatives
Key features
Turnkey
Secure, non-custodial key management API for DeFi, AI, and consumer apps
Strengths
- +Offers robust cryptographic security with non-custodial control over assets.
- +Provides flexible and composable primitives for customized product builds.
- +Achieves high performance with low latency and high availability for critical operations.
- +Reduces engineering time for wallet infrastructure development.
- +Supports a wide range of blockchain use cases, including DeFi, AI agents, and payments.
Weaknesses
- -Requires integration via API, which may necessitate developer resources.
- -Specific pricing details are not publicly available, requiring direct contact for quotes.
Key features
Pricing: Supabase vs Turnkey
| Plan | Supabase | Turnkey |
|---|---|---|
| Tier 1 | $0 Free | Free Free |
| Tier 2 | $25 Pro | Variable Pay as You Go |
| Tier 3 | $599 Team | $99/mo. Pro |
| Tier 4 | Custom Enterprise | Custom Enterprise |
Pricing verified from each vendor's public pricing page. Compare in detail on Supabase pricing and Turnkey pricing.
Who Should Use What?
On a budget?
Both are freemium. Compare plans on their websites.
Go with: Supabase
Want the highest-rated option?
Supabase is rated 4.7/5. Turnkey has no ratings yet.
Go with: Supabase
Value user reviews?
Supabase: 33 reviews (4.7/5). Turnkey: no ratings yet.
Go with: Supabase
3 Questions to Help You Decide
What's your budget?
Both are freemium. Pricing won't help you decide here.
What's your use case?
Supabase is a data & databases tool. Turnkey is in security. Pick the category that matches your needs.
How important are ratings?
Supabase is rated 4.7/5; Turnkey has no ratings yet.
Key Takeaways
Supabase
- Free tier available
- Our pick for this comparison
Turnkey
- Better fit for security
The Bottom Line
Supabase is our pick.
Frequently Asked Questions
Is Supabase or Turnkey better?
Supabase is rated in our evaluation. Both are freemium.
What are Supabase and Turnkey used for?
Supabase: Open source Firebase alternative. Turnkey: Secure, non-custodial key management API for DeFi, AI, and consumer apps.
What does Supabase cost vs Turnkey?
Supabase is freemium (free tier + paid plans). Turnkey is freemium (free tier + paid plans). Visit their websites for detailed pricing.