Staxly

PlanetScale vs Postmark

Serverless MySQL (Vitess) and Postgres at scale
vs. Reliable transactional email with fast delivery

PlanetScale websitePostmark 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

Postmark

Free
100 emails/month forever. No credit card. Side projects and testing.
Free
Basic — 10k
10,000 emails/month. Overage $1.80/1k. Unlimited emails/day.
$15/mo
Pro — 10k
10,000 emails/month. Overage $1.30/1k. Inbound email + message streams.
$17/mo
Platform — 10k
10,000 emails/month. Overage $1.20/1k. Team collab, more domains.
$18/mo
Enterprise (>1.5M)
Custom for senders exceeding 1.5M/month.
Custom
Postmark website

Free-tier quotas head-to-head

Comparing pg-ebs-nonha-starter on PlanetScale vs free on Postmark.

MetricPlanetScalePostmark
ha0 nodes
ram mib512 MiB

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.

Postmark · 12 features

  • Activity SearchFull-text search over sent messages for 45-365 days.
  • Bounce HandlingAutomatic hard/soft bounce detection + suppression management.
  • Broadcast MessagesVia separate Broadcast Message Stream. Bulk sends with throttling.
  • DKIM + SPFOne-click verification + auto-renewal of DKIM keys.
  • Inbound EmailRoute inbound emails to your webhook. Parse attachments, threads.
  • Message StreamsIsolate transactional from marketing for separate deliverability reputation.
  • Open + Click TrackingConfigurable at template or send level.
  • Raw API Access100+ endpoints for bounces, servers, tags, templates, stats.
  • ServersMulti-tenant isolation: each "server" has its own API token + reputation.
  • TemplatesMustachio template language with variables, alias + versioning.
  • Transactional SendReliable API for password resets, receipts, notifications. Sub-10s delivery.
  • Webhook EventsDelivery, bounce, spam complaint, open, click, subscription change.

Developer interfaces

KindPlanetScalePostmark
CLIPlanetScale CLI (pscale)
SDK@planetscale/databasepostmark-dotnet, postmarker (Python), postmark-go, postmark (Node), postmark-php, postmark-rails
RESTManagement APIPostmark REST API
MCPPlanetScale MCP
OTHERMySQL Wire Protocol, Postgres Wire ProtocolInbound Email, SMTP Relay, Webhooks
Staxly is an independent catalog of developer platforms. Outbound links to PlanetScale and Postmark are plain references to their official websites. Pricing is verified against vendor pages at publication time — reconfirm before buying.

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