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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.

Bottom line: Supabase wins this matchup. Our overall API Tools pick is ElevenLabs. Our free API Tools pick is Steampipe. Pick Turnkey if you need security.

··Methodology
Editor reviewed0 verified reviews comparedPricing checked Sep 2026

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 want full PostgreSQL access
  • You want generous free tier

Turnkey

Secure, non-custodial key management API for DeFi, AI, and consumer apps

Best for you if:

  • You want offers robust cryptographic security with non-custodial control over assets
  • You want provides flexible and composable primitives for customized product builds
At a Glance
SupabaseSupabase
TurnkeyTurnkey
Starts at
FreeFree tier available
FreeFree tier available
Best For
Data & DatabasesSecurity
Rating
4.6/5-
Free plan
Yes Yes

Choose Supabase or Turnkey?

Supabase

Choose Supabase if

Open source Firebase alternative

  • You want full PostgreSQL access
  • You want generous free tier
  • Your work is data & databases-shaped, not security-shaped
Turnkey

Choose Turnkey if

Secure, non-custodial key management API for DeFi, AI, and consumer apps

  • You want offers robust cryptographic security with non-custodial control over assets
  • You want provides flexible and composable primitives for customized product builds
  • Your work is security-shaped, not data & databases-shaped
FeatureSupabaseTurnkey
Pricing ModelFreemiumFreemium
User Rating
4.6/5
218 reviews
No ratings yet
Categories
Data & DatabasesAPI Tools
SecurityDeveloper Tools

In-Depth Analysis

SupabaseSupabase

Open source Firebase alternative

Starts at Free
Great value

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

  • +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

PostgreSQL databaseAuthenticationEdge FunctionsRealtime subscriptionsStorageVector embeddings

TurnkeyTurnkey

Secure, non-custodial key management API for DeFi, AI, and consumer apps

Starts at Free
Good value

Turnkey's pricing starts generously with a Free tier offering 100 wallets and 25 transactions, suitable for initial exploration.

Watch out

Overage fees for transactions beyond free limits

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

Embedded WalletsSmart Wallet SignerOnchain AutomationPolicy EngineNon-custodial Key ManagementSecure Enclaves (Trusted Execution Environments)

Pricing: Supabase vs Turnkey

PlanSupabaseTurnkey
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 4.6/5. Turnkey has no ratings yet.

Go with: Supabase

Value user reviews?

Supabase: 218 reviews (4.6/5). Turnkey: no ratings yet.

Go with: Supabase

3 Questions to Help You Decide

1

What's your budget?

Both are freemium. Pricing won't help you decide here.

2

What's your use case?

Supabase is a data & databases tool. Turnkey is in security. Pick the category that matches your needs.

3

How important are ratings?

Supabase is rated 4.6/5; 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 wins this matchup. Our overall API Tools pick is ElevenLabs. Our free API Tools pick is Steampipe.

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.

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