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Independent directory. VektorIndex is not affiliated with or sponsored by any listed vendor. All specifications are sourced from official vendor documentation.

Head-to-Head Specification Audit

Sansan vs Supabase

Japanese Enterprise Sales Teams · Japan

CRM

Sansan

Japanese Enterprise Sales Teams · Japan

Visit Sansan

Database & Backend

Supabase

Open Source Firebase Alternative · Global

Visit Supabase

Specification Matrix

MetricSansanSupabase
Starting PriceCustomBetter$25/mo
API Rate Limit100 req/min500 req/minBetter
Target CountryJapanGlobal
CategoryCRMDatabase & Backend
ComplianceAPPI, ISO27001SOC2, GDPR, HIPAA-Enterprise
Hosting RegionsJP-TokyoEU-West, US-East, AP-Southeast
Native Integrations4 listed6 listedBetter

Sansan — Key Specs

  • The de-facto business card digitisation platform in Japan — used by 8,000+ enterprises
  • AI extracts data from meishi (名刺) in both Japanese and English
  • Integrates with Salesforce — maps Japanese relationship hierarchy
  • APPI-compliant data management for Japanese enterprise buyers

Supabase — Key Specs

  • PostgreSQL with RLS, Edge Functions, Realtime, Auth, Storage
  • pgvector extension: vector similarity search without Pinecone
  • SOC 2 Type II, GDPR DPA (EU data residency available)
  • Free tier: 500MB database + 2GB storage forever

Frequently Asked Questions

What is cheaper, Sansan or Supabase?+

Sansan starts at $0/mo, which is lower than Supabase at $25/mo.

Which tool is better for compliance — Sansan or Supabase?+

Sansan additionally supports APPI, ISO27001. Supabase additionally supports SOC2, GDPR, HIPAA-Enterprise.

Which has a higher API rate limit — Sansan or Supabase?+

Supabase has a higher API rate limit at 500 requests per minute. Sansan: 100 req/min. Supabase: 500 req/min.

Which tool is better suited for Japan?+

Sansan is evaluated for Japanese Enterprise Sales Teams in Japan with hosting regions: JP-Tokyo. Supabase has hosting regions: EU-West, US-East, AP-Southeast. For data residency in Japan, check each vendor's data processing agreements.

Data last verified: 10 July 2026

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