Updated for 2026

SupabasevsCloudflare D1

Not sure which fits your workflow in 2026? Compare pricing, features, and trade-offs — then switch tools below to explore more options in this category.

Category
Tool A
Tool B

dev-database

Supabase

Supabase is an open-source BaaS platform launched in 2020 by Supabase Inc. It entered GA in 2024 and has become a top backend choice for the AI era and Vibe Coding. A Postgres-first platform with auth, storage, realtime, and vector capabilities—often seen as an open-source Firebase alternative.

Visit Supabase

dev-database

Cloudflare D1

Cloudflare D1 is a native serverless SQL database first released in Alpha in May 2022 and entering GA in April 2024. It is a serverless SQLite for Workers/edge applications, emphasizing low-latency SQL close to users.

Visit Cloudflare D1

Basics

FeatureSupabaseCloudflare D1
Released20202022
CompanySupabaseCloudflare
CountryUnited StatesUnited States
Region / AvailabilityMulti-region (global)Global edge (Cloudflare network)

Pricing comparison

PlanSupabaseCloudflare D1
Modelfreemiumusage
Free tierYesYes
Starts at$25/mo$0/mo
Plan 1Free: Free500 MB database size，1 GB file storage，Unlimited API requests，50,000 monthly active usersFree: FreeFree tier with 5GB total storage, 5 million row reads/day, and 100,000 row writes/day — very generous.
Plan 2Pro: $25/moFor production applications with the power to scale. 100 GB file storage，100,000 monthly active users，8 GB disk size per projectWorkers Paid: Usage-basedMonthly includes 5 GB storage, 25 billion row reads, and 50 million row writes.
Plan 3Team: $599/moDesigned for team collaboration, it adds features such as single sign-on, backup control, and industry authentication.Exceeding the free quota: Usage-based$0.75/GB-month, $0.001/million row reads, $1.00/million row writes.

Feature checklist

FeatureSupabaseCloudflare D1
Open Source✓https://github.com/supabase/supabase✗
Self-host Option✓✗
ACIDFull ACID via underlying PostgresACID within a SQLite database
Index SupportPostgres indexes + pgvector / full-text optionsSQLite B-tree indexes
ConcurrencyStrong MVCC concurrency from PostgresLimited writers; edge-friendly read fan-out
ScalabilityManaged scale + read replicas; branching for previewsGlobal edge placement; not unlimited write scale
SQL Support✓✓
Postgres Compatible✓✗
Serverless Database✓✓
Vector Search✓✗
Realtime✓✗
Built-in Auth✓✗
Blob / File Storage✓✗ (Supports R2 object storage within the Cloudflare ecosystem.)https://developers.cloudflare.com/r2/
Edge Compatible✓✓
AI SQL / NL Query✓✗
AI Schema Assist✓✗
AI Agent / MCP✓✗
Team Collaboration✓✓
Use CasePostgres-backed BaaS with auth, storage, realtime, and vectorsEdge SQLite for Cloudflare Workers and low-latency SQL near users

Pros & cons

Supabase

  • Full Postgres with rich SQL ecosystem
  • Auth, storage, realtime in one platform
  • Self-host or managed cloud
  • Operational complexity grows with scale
  • Edge latency depends on region choice
  • Not the lightest option for tiny apps

Cloudflare D1

  • Ultra-low latency at the edge
  • Tight Workers / Pages integration
  • Simple SQLite mental model
  • Cloudflare's full-stack closed-loop ecosystem (seamless integration of Workers, Pages, R2 storage, and KV).
  • SQLite limits vs full Postgres
  • No built-in auth/storage suite
  • Replication / multi-region story still evolving

Dimension scores

Editorial 0–10 scores across shared dimensions — higher is better for that axis.

DimensionSupabaseCloudflare D1
Capability
9.0
7.5
Privacy
8.5
7.0
Value
8.5
9.0
Depth
8.5
6.5
Ecosystem
9.0
8.5
DX
9.0
8.0
CapabilityPrivacyValueDepthEcosystemDX
  • Supabase
  • Cloudflare D1

FAQ

Is Supabase better than Cloudflare D1? (2026)

It depends on workflow. Supabase emphasizes open-source firebase alternative built on postgres with auth, storage, and realtime. Cloudflare D1 emphasizes serverless sqlite database that runs on cloudflare’s global edge network. Use the feature checklist above for your stack.

Which use cases fit Supabase vs Cloudflare D1?
  • Supabase: Postgres-backed BaaS with auth, storage, realtime, and vectors
  • Cloudflare D1: Edge SQLite for Cloudflare Workers and low-latency SQL near users
What are the main differences between Supabase and Cloudflare D1?
  • Open Source: Supabase (yes) vs Cloudflare D1 (no)
  • Self-host Option: Supabase (yes) vs Cloudflare D1 (no)
  • ACID: Supabase (Full ACID via underlying Postgres) vs Cloudflare D1 (ACID within a SQLite database)
  • Index Support: Supabase (Postgres indexes + pgvector / full-text options) vs Cloudflare D1 (SQLite B-tree indexes)
  • Concurrency: Supabase (Strong MVCC concurrency from Postgres) vs Cloudflare D1 (Limited writers; edge-friendly read fan-out)
How do Supabase and Cloudflare D1 compare on pricing?

Supabase pricing overview:

  • Has a free tier
  • Pricing model: freemium
  • Starting from ~$25/mo
  • Plan Free: Free
  • Plan Pro: $25/mo
  • Plan Team: $599/mo

Cloudflare D1 pricing overview:

  • Has a free tier
  • Pricing model: usage-based
  • Starting from ~$0/mo
  • Plan Free: Free
  • Plan Workers Paid: Usage-based
  • Plan Exceeding the free quota: Usage-based

Always verify current prices on the vendor site before buying.

Do Supabase and Cloudflare D1 offer a free tier?
  • Supabase: Has a free tier
  • Cloudflare D1: Has a free tier
Are Supabase and Cloudflare D1 open source?
  • Supabase: yes
  • Cloudflare D1: no
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Related alternatives

Supabase alternatives

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Disclaimer:Not Financial or Investment Advice, Educational/Dev Tool Comparison Only. Information may change; always verify pricing on the vendor site before purchasing.