Staxly

PlanetScale vs Convex

Serverless MySQL (Vitess) and Postgres at scale
vs. The reactive database where queries are TypeScript code

PlanetScale websiteConvex website

Pricing tiers

PlanetScale

Postgres EBS single-node — PS-5
Single-node EBS, 512 MiB RAM, arm64. Entry point for Postgres.
$5/mo
Postgres EBS HA — PS-5
3-node (primary + 2 replicas), 512 MiB, arm64.
$15/mo
Vitess (non-Metal) — PS-10
Vitess MySQL sharded cluster, 1 GiB RAM.
$39/mo
Postgres Metal — M-10
3-node Metal, 1 GiB RAM + 10 GiB local storage. Much higher IOPS.
$50/mo
Vitess Metal — M-160
Vitess Metal, 16 GiB RAM + 110 GiB storage.
$609/mo
Enterprise
Custom agreements, dedicated regions, 99.99% SLA.
Custom
PlanetScale website

Convex

Starter (Free)
Free with overage via usage-based billing. Great for prototypes.
Free
Professional
$25/developer/month. Overage: $2/M function calls. Daily backups, email support, custom domains.
$25/mo
Business / Enterprise
From $2,500/month. SAML/SSO, SLA, dedicated deployments, Slack Connect support.
$2500/mo
Convex website

Free-tier quotas head-to-head

Comparing pg-ebs-nonha-starter on PlanetScale vs starter on Convex.

MetricPlanetScaleConvex
db storage gb0.5 GB
deployments40 deployments
egress gb month1 GB/month
file storage gb1 GB
function calls month1000000 calls/month
ha0 nodes
ram mib512 MiB
team members6 users

Features

PlanetScale · 12 features

  • BackupsAutomated daily backups with retention.
  • Database BranchingGit-like branches of your DB schema (not data). Create, diff, merge via deploy r
  • Deploy RequestsSchema changes in a feature branch get reviewed + auto-applied to main with zero
  • HIPAAHIPAA-compliant deployments (Enterprise).
  • Metal (NVMe)Dedicated NVMe local storage. 10x IOPS vs EBS, latency-critical workloads.
  • PgBouncer PoolerManaged PgBouncer for Postgres clusters. Optional dedicated pooler.
  • PlanetScale BoostQuery result cache with sub-ms reads.
  • Point-in-Time RecoveryRestore cluster to any point within retention window.
  • Postgres on PlanetScalePostgreSQL 15+ with the same branching + deploy-request flow. Launched 2024.
  • Query InsightsPer-query performance analytics, slow query tracking, explain plans.
  • Read-only RegionsRoute reads to the nearest region for lower latency.
  • Vitess (MySQL at scale)Horizontally-sharded MySQL (YouTube-scale) — original PlanetScale offering.

Convex · 18 features

  • ActionsNon-deterministic functions for external I/O (fetch, AI APIs, email). Cannot rea
  • AuthenticationConvex Auth (built-in) or BYO provider (Clerk, Auth0, Kinde, WorkOS). ID tokens
  • Convex AgentsAI agent framework with durable memory, threads, tool use. Works with OpenAI / A
  • Convex AuthFirst-party auth library: passwords, magic links, OAuth, phone — stored in your
  • Convex ComponentsReusable backend modules (rate limiter, workflow, aggregate, action-retrier, etc
  • Cron JobsRecurring schedules defined in convex/crons.ts. UTC, cron-style patterns.
  • Durable WorkflowsLong-running multi-step workflows with retries and at-least-once guarantees.
  • Exception ReportingAuto-capture errors to Sentry, Axiom, Datadog.
  • File StorageUpload/download via storage API. Returns storage IDs referenced in documents.
  • Full-Text SearchBM25 search index on table fields. withSearchIndex query helper.
  • HTTP ActionsExpose public HTTP endpoints for webhooks, OAuth callbacks, third-party integrat
  • Log StreamsStream function logs to Axiom, Datadog, Sentry. Pro+.
  • MutationsTransactional write functions. All reads + writes in one mutation are ACID; conf
  • Preview DeploymentsEvery Git branch gets its own isolated deployment. Integrates with Vercel/Netlif
  • QueriesDeterministic read-only TS functions. Automatically cached and re-run when under
  • Real-Time SubscriptionsuseQuery auto-subscribes; server invalidates when data a query read changes. No
  • Schedulerschedule.after / schedule.at — enqueue functions to run later. Durable, survives
  • Vector SearchNative vector index on tables. withIndex + filter fields. Up to 4096 dims.

Developer interfaces

KindPlanetScaleConvex
CLIPlanetScale CLI (pscale)Convex CLI
SDK@planetscale/databaseAndroid / Kotlin Client, iOS / Swift Client, JavaScript/TypeScript Client, Next.js Integration, Python Client, React Client (useQuery), Rust Client, Svelte Client, Vue Client
RESTManagement APIDeploy / Dashboard API, HTTP Actions
MCPPlanetScale MCP
OTHERMySQL Wire Protocol, Postgres Wire ProtocolWebSocket Subscriptions
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