Technical Verdict & Decision Factors

PlanetScale leverages Vitess and MySQL for horizontal scalability and zero-downtime online schema changes, whereas Supabase provides a PostgreSQL-based experience with automatic APIs, authentication, and native extensions.

Scale-ups & Agile Teams

Choose PlanetScale if

Ideal for high-scale MySQL architectures requiring continuous zero-downtime schema changes and automated sharding.

Get started with PlanetScale (opens in a new tab)
Enterprise & Compliance

Choose Supabase if

Optimal for teams seeking a Firebase alternative based on PostgreSQL with built-in authentication and accelerated development.

Get started with Supabase (opens in a new tab)

Key Differentiators

  • Horizontal scalability via Vitess sharding versus native PostgreSQL
  • Zero-downtime online schema changes
  • Automatically generated REST and realtime APIs
  • Native vector support and PostgreSQL extensions
Weights 40% DX, 40% Fair Pricing, 20% PerformanceRecommended winner for this scenario:PlanetScale (7.2/10)
PlanetScale7.2/10
Supabase7.2/10
Weights 45% Security & Governance, 35% Reliability, 20% DXRecommended winner for this scenario:PlanetScale (8.9/10)
PlanetScale8.9/10
Supabase8.9/10
Weights 55% Data Portability, 25% Fair Pricing, 20% SecurityRecommended winner for this scenario:Supabase (5.3/10)
PlanetScale4.2/10
Supabase5.3/10

Side-by-Side Feature Comparison

PlanetScale vs Supabase
Datasheet
SupabaseFreemium
Commercial Model & Pricing
Base PriceContact SalesFree Tier
Pricing ModelPaidFreemium
Score4.6/5.0(1 review)4.6/5.0(1 review)
VerifiedVerifiedVerified tool: Audited technical attributesVerifiedVerified tool: Audited technical attributes
Core Features Matrix
Specific Capabilities for Serverless & Cloud Databases
Database BranchingNot availableNot available
Scale-to-ZeroNot availableNot available
Point-in-Time Recovery (PITR)Not availableCompatible
Global Read ReplicasCompatibleCompatible
Vector Search / pgvectorNot availableCompatible
Automated BackupsCompatibleCompatible
Enterprise Architecture & Security (7 Universals)
REST & GraphQL APICompatibleCompatible
SSO / SAML AuthenticationCompatibleCompatible
Self-Hosted OptionNot availableCompatible
Full Data ExportCompatibleCompatible
Role-Based Access Control (RBAC)CompatibleCompatible
Custom Domains & SSLNot availableCompatible
Immutable Audit LogsCompatibleCompatible
Architecture & Verified Specs
Compliance & Data Sovereignty
Audited Certifications
SOC2 TYPE2GDPR
SOC2 TYPE2GDPR
SSO (SAML) AvailabilityEnterprise plan onlyPaid add-on
Legal Headquarters & JurisdictionUSUS
Subject to US CLOUD ActSubject (US Extraterritorial)Subject (US Extraterritorial)
Data ResidencyUS, EUUS, EU
Open Source Telemetry & Code Sovereignty
GitHub StarsProprietary / Closed Source 114.1k
Latest Commit / VitalityProprietary / Closed SourceOct 27, 2026
SPDX LicenseProprietary / Closed SourceApache-2.0
Primary LanguageCloud / SaaSTypeScript
Minimum RAM RequiredCloud ManagedCloud Managed
Visit WebsiteTry PlanetScale (opens in a new tab)Try Supabase (opens in a new tab)

Last technical review:

Technical Scorecard Comparison
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Technical Scorecard Comparison: PlanetScale vs Supabase

PlanetScale90/100
Supabase90/100
DX & Tech Documentation
PlanetScale
95
Supabase
95
Pricing Fairness+10 pts Supabase
PlanetScale
80
Supabase
90
Security & Governance+5 pts PlanetScale
PlanetScale
90
Supabase
85
Data Portability & Sovereignty+10 pts Supabase
PlanetScale
85
Supabase
95
Performance & Reliability+15 pts PlanetScale
PlanetScale
100
Supabase
85

Time to Value & Fit by Segment: PlanetScale vs Supabase

PlanetScale

Time-to-Value:< 1 hour (Immediate)
Curve:Moderate (Standard)

Near-instantaneous deployment with minimal technical friction.

Supabase

Time-to-Value:< 1 hour (Immediate)
Curve:Moderate (Standard)

Near-instantaneous deployment with minimal technical friction.

Segment Fit Comparison

Startup & Agile Teams1 to 50 members
PlanetScale
80%
Supabase
90%
Mid-Market & Scaleup50 to 500 members
PlanetScale
90%
Supabase
80%
Corporate Enterprise500+ members
PlanetScale
95%
Supabase
70%
Pricing & Licensing Breakdown
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Billing Clauses & SSO Tax: PlanetScale vs Supabase

PlanetScale

Enterprise-Only SSO

SAML/SSO locked strictly behind the highest custom corporate tier.

Free:No permanent free tier is currently offered.
  • Costs scale with data transfer and IOPS usage, requiring careful cost projection for high-volume workloads.

Supabase

SSO as Paid Add-on

Available via independent surcharge without forcing a full Enterprise tier.

Free:Includes two free projects with limited database storage and monthly active users.
  • Overage fees can accumulate unexpectedly if database size or egress limits are exceeded.
TCO & Savings CalculatorTCO 1-3Y
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Indie / Solo (1 active user)

Solo developer or independent technical founder.

PlanetScale

Most Cost-Effective
Base Monthly Cost:$12/month
12-Month Investment:$122/year
36 Months (3 years):$366

Supabase

Base Monthly Cost:$25/month
12-Month Investment:$255/year
36 Months (3 years):$765
Estimated Financial Differential

PlanetScale: $133 USD/year ($399 USD 36 Months (3 years)).

Startup (10 active users)

Agile engineering team in validation and early traction stage.

PlanetScale

Base Monthly Cost:$270/month
12-Month Investment:$2,754/year
36 Months (3 years):$8,262

Supabase

Most Cost-Effective
Base Monthly Cost:$250/month
12-Month Investment:$2,550/year
36 Months (3 years):$7,650
Estimated Financial Differential

Supabase: $204 USD/year ($612 USD 36 Months (3 years)).

Growth (25 active users)

Scaling company with team governance and granular access control requirements.

PlanetScale

Base Monthly Cost:$675/month
12-Month Investment:$6,885/year
36 Months (3 years):$20,655

Supabase

Most Cost-Effective
Base Monthly Cost:$625/month
12-Month Investment:$6,375/year
36 Months (3 years):$19,125
Estimated Financial Differential

Supabase: $510 USD/year ($1,530 USD 36 Months (3 years)).

Scaleup (100 active users)

Established organization with enterprise security policies and mandatory SAML/SSO.

PlanetScale

Base Monthly Cost:$2,700/month
12-Month Investment:$27,540/year
36 Months (3 years):$82,620

Supabase

Most Cost-Effective
Base Monthly Cost:$2,500/month
12-Month Investment:$25,500/year
36 Months (3 years):$76,500
Estimated Financial Differential

Supabase: $2,040 USD/year ($6,120 USD 36 Months (3 years)).

Usage Billing PredictabilityWhat usage costs as you scale
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Prototype / MVP (10 GB)

Comparative projection for Storage & Compute (GB)

PlanetScale

Most Cost-Effective
Overage penalty:$0
Estimated Monthly Invoice:$20/mo
Low Risk

Supabase

Overage penalty:+$1/mo
Estimated Monthly Invoice:$26/mo
Low Risk

Base Production (50 GB)

Comparative projection for Storage & Compute (GB)

PlanetScale

Most Cost-Effective
Overage penalty:+$5/mo
Estimated Monthly Invoice:$25/mo
Low Risk

Supabase

Overage penalty:+$8/mo
Estimated Monthly Invoice:$33/mo
Low Risk

Active Growth (250 GB)

Comparative projection for Storage & Compute (GB)

PlanetScale

Most Cost-Effective
Overage penalty:+$41/mo
Estimated Monthly Invoice:$61/mo
High Risk

Supabase

Overage penalty:+$44/mo
Estimated Monthly Invoice:$69/mo
High Risk

Large Scale (1.000 GB (1 TB))

Comparative projection for Storage & Compute (GB)

PlanetScale

Most Cost-Effective
Overage penalty:+$176/mo
Estimated Monthly Invoice:$196/mo
Critical Risk

Supabase

Overage penalty:+$179/mo
Estimated Monthly Invoice:$204/mo
Critical Risk
Bidirectional Migration Friction Index (MFI)
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Bidirectional Migration Friction Index (MFI)

PlanetScaleSupabase
Smooth Migration

Migration friction: PlanetScale to Supabase

0/100

Agile transition with low operational risk and native export/API support.

Critical Factors Evaluated

Smooth path: native export support, ingestion API, and authentication parity.

SupabasePlanetScale
Smooth Migration

Migration friction: Supabase to PlanetScale

15/100

Agile transition with low operational risk and native export/API support.

Critical Factors Evaluated

  • +15 ptsTransition from a free or freemium model to a mandatory paid tier in PlanetScale.
Migration & Portability VerdictSupabase · Δ 15 pts

Migrating from Supabase to PlanetScale has significantly lower friction (15/100) than the reverse path (0/100). {from} provides easier data liberation and lower exit costs.

Technical Transition Playbook: PlanetScale to SupabaseCLI Runbook
4-stage execution protocol to switch dependencies with zero data loss and verifiable rollback.
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01

Data Extraction & Baseline Snapshot

Full export of PlanetScale datasets in audited formats (sql, csv). Secure an immutable snapshot prior to cutover.

mysqldump --host=<host> --user=<user> --password=<password> <database>
02

Schema Mapping & Contract Validation

Normalize entity identifiers, timestamps, and event payloads between PlanetScale APIs and destination schema in Supabase.

# Schema mapping & validation
npx tsx scripts/map-migration.ts --source=planetscale --target=supabase
03

Dual-Ingestion Period (Dual-Writing)

Simultaneous telemetry dispatch to PlanetScale and Supabase for 72 hours to contrast volume, integrity, and latency without downtime.

export TELEMETRY_PRIMARY="supabase"
export TELEMETRY_SECONDARY="planetscale"
04

Decommissioning & Rollback Safety

De-instrument PlanetScale SDK, archive snapshot in cold S3 storage, and confirm zero ongoing billing.

# Check decommission
curl -I "https://planetscale.com/"

Architecture Decision Record for CTOs & Tech Leads

Production-ready technical document for Notion, Confluence, or Pull Requests

Select recommended tool:
Community Sentiment & Commercial Terms
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Technical Reputation of PlanetScale

87/100 Technical Trust

Frequent Praises in Production

  • Horizontal scalability via automated sharding with Vitess and Postgres.
  • Execution of online schema changes without locking or downtime.
  • High performance powered by NVMe drives and built-in connection pooling.

Reported Production Frictions

  • No permanent free tier available for long-term experimentation.
  • Moderate learning curve when dealing with distributed database patterns.
Commercial Treatment & Vendor Lock-in:Self-Service in Dashboard

Cancellation flow is autonomous via billing portal or subscription settings.

Technical Reputation of Supabase

87/100 Technical Trust

Frequent Praises in Production

  • Full Postgres database access with complete SQL capabilities and extensions.
  • Auto-generated instant REST and realtime APIs based directly on the schema.
  • Open source architecture allowing complete self-hosting without lock-in.

Reported Production Frictions

  • Operational complexity increases when scaling complex relational queries.
  • Strict resource limits on the free tier require upgrading for production workloads.
Commercial Treatment & Vendor Lock-in:Self-Service in Dashboard

Cancellation flow is autonomous via billing portal or subscription settings.

Frequently Asked Questions: PlanetScale vs Supabase

What are the key differences between PlanetScale and Supabase?

PlanetScale leverages Vitess and MySQL for horizontal scalability and zero-downtime online schema changes, whereas Supabase provides a PostgreSQL-based experience with automatic APIs, authentication, and native extensions.

How do PlanetScale and Supabase pricing compare?

PlanetScale starts at 0/mo under paid tier, while Supabase starts at 0.00/mo with freemium billing.

When should you choose PlanetScale over Supabase?

If your priority is Cloud relational database platform for Vitess, MySQL, and Postgres built for horizontal scale., PlanetScale is the optimal choice; for Open source Firebase alternative providing a full Postgres database, authentication, and instant APIs., Supabase provides superior benefits.

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