PocketBase vs Postmark
Open-source backend in a single Go binary
vs. Reliable transactional email with fast delivery
Pricing tiers
PocketBase
Self-Hosted
MIT-licensed single binary. Run on any VPS / Docker / bare metal. No usage caps — only limited by your server.
$0 base (usage-based)
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
Free-tier quotas head-to-head
Comparing self-hosted on PocketBase vs free on Postmark.
| Metric | PocketBase | Postmark |
|---|---|---|
| No overlapping quota metrics for these tiers. | ||
Features
PocketBase · 12 features
- Access Rules — Record-level access rules (filter expressions) referencing @request and @collect…
- Admin Dashboard — Built-in web UI for schema + data management.
- Auth — Email+password, OAuth2 (Google, GitHub, Facebook, Apple, Discord, Microsoft, etc…
- Backups — Built-in backup/restore with S3 upload option.
- Built-in Mailer — SMTP integration for verification, password reset, magic link emails.
- Collections — Schema-defined record types with fields, validations, and record/admin/auth acce…
- Embedded JS Engine — JavaScript VM (goja) lets you write hooks in JS without recompiling.
- Extend as Go Library — Embed PocketBase in a larger Go app, add custom routes and events.
- File Storage — Local filesystem or S3-compatible storage with access rules.
- Hooks — Server-side Go or JavaScript hooks that run on CRUD events (OnRecordBeforeCreate…
- Migrations — JS/Go migration scripts applied on startup.
- Realtime Subscriptions — SSE-based subscriptions to collection changes.
Postmark · 12 features
- Activity Search — Full-text search over sent messages for 45-365 days.
- Bounce Handling — Automatic hard/soft bounce detection + suppression management.
- Broadcast Messages — Via separate Broadcast Message Stream. Bulk sends with throttling.
- DKIM + SPF — One-click verification + auto-renewal of DKIM keys.
- Inbound Email — Route inbound emails to your webhook. Parse attachments, threads.
- Message Streams — Isolate transactional from marketing for separate deliverability reputation.
- Open + Click Tracking — Configurable at template or send level.
- Raw API Access — 100+ endpoints for bounces, servers, tags, templates, stats.
- Servers — Multi-tenant isolation: each "server" has its own API token + reputation.
- Templates — Mustachio template language with variables, alias + versioning.
- Transactional Send — Reliable API for password resets, receipts, notifications. Sub-10s delivery.
- Webhook Events — Delivery, bounce, spam complaint, open, click, subscription change.
Developer interfaces
| Kind | PocketBase | Postmark |
|---|---|---|
| SDK | Go API (extend as library), pocketbase (Dart), pocketbase (JS SDK) | postmark-dotnet, postmarker (Python), postmark-go, postmark (Node), postmark-php, postmark-rails |
| REST | REST API | Postmark REST API |
| OTHER | Admin Dashboard, Realtime SSE | Inbound Email, SMTP Relay, Webhooks |
Staxly is an independent catalog of developer platforms. Outbound links to PocketBase and Postmark are plain references to their official websites. Pricing is verified against vendor pages at publication time — reconfirm before buying.
Want this comparison in your AI agent's context? Install the free Staxly MCP server.