v0 by Vercel vs Supabase

v0 by Vercel

Supabase

v0 by Vercel · 14 features

• Component Blocks — Pre-built blocks (pricing tables, hero, forms, etc.) to drop into apps.
• Database Actions — Provision Neon/Supabase/Vercel Postgres from v0.
• Deploy to Vercel — One-click deploy with auto-env-vars.
• GitHub Sync — Two-way sync with real repos. Commit from v0 or edit in repo.
• Image-to-App — Drop a screenshot or Figma → generate matching UI.
• Iterative Chat — Conversational refinement — "make it dark mode" etc.
• MCP Server — Agent access to v0 via Model Context Protocol.
• Next.js 15 App Router — Output targets latest Next.js.
• Project Chats — Related chats grouped into projects.
• Prompt-to-App — Describe in prose → get a full Next.js app.
• shadcn/ui built-in — Component library preselected — consistent DS.
• v0 API — Programmatic access via API key (Premium).
• Vercel AI SDK Integration — Generated apps often include AI SDK scaffolding.
• Visual Design Mode — WYSIWYG editing of generated components.

Supabase · 24 features

• Authentication — Complete JWT-based auth: passwords, magic links, OTP, OAuth, SSO, phone, MFA.
• Backups & PITR — Automatic daily backups + Point-in-Time Recovery (WAL-G). 14-day default PITR wi…
• Compute Instances — Upgradeable DB compute: Micro, Small, Medium, Large. Affects CPU, RAM, and conne…
• Connection Pooling — Supavisor pooler: Session mode (persistent) and Transaction mode (serverless). D…
• Cron Jobs — Scheduled recurring jobs via pg_cron. Trigger DB functions, edge functions, or H…
• Custom Domains — Configure custom hostname for API endpoints with SSL certificate management.
• Database Webhooks — Async HTTP callbacks on INSERT/UPDATE/DELETE via pg_net extension.
• Edge Functions — TypeScript (Deno runtime) functions deployed globally at the edge. Supports secr…
• Full-Text Search — PostgreSQL native FTS: to_tsvector, to_tsquery, GIN indexes, fuzzy matching, wei…
• Image Transformations — On-the-fly resize, crop, quality (20-100), WebP auto-format. Smart CDN caching. …
• Log Drains — Route all stack logs to HTTP, Datadog, Loki, Sentry, S3, OTLP, or Axiom. Up to 2…
• Metrics API — ~200 Prometheus-compatible Postgres metrics. OpenTelemetry export to Datadog, Gr…
• Network Restrictions — CIDR allowlist for database access. Multiple IP ranges supported. Pro+ plan.
• OAuth 2.1 Server — Use Supabase Auth as OAuth provider. Custom Access Token Hooks for claim injecti…
• pgvector — Store and search vector embeddings in Postgres. Supports HNSW/Flat indexes, cosi…
• PostgreSQL Database — Full PostgreSQL per project: SQL editor, table editor, CSV import, 50+ extension…
• PostgreSQL Extensions — 50+ pre-installed extensions: uuid-ossp, pgvector, pg_cron, plv8, pgtap, pg_net,…
• Preview Branches — Ephemeral or persistent DB branches for isolated testing. Git integration, auto-…
• Queues — Exactly-once message queues built on pgmq. Stored in Postgres with configurable …
• Read Replicas — Async read-only replicas in multiple regions. Geo-routing, replication lag monit…
• Realtime — WebSocket subscriptions for DB changes (INSERT/UPDATE/DELETE), broadcast, and pr…
• Row Level Security — SQL-native access control; policies auto-filter rows based on auth.uid() / auth.…
• SSL Enforcement — Require TLS for all DB connections. Configurable: required, preferred, disabled.
• Storage — Files, Analytics (Iceberg), and Vector buckets with global CDN (285+ cities) and…