Postmark vs Turso
Reliable transactional email with fast delivery
vs. Edge SQLite — libSQL at the speed of light
Pricing tiers
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
Turso
Free
100 DBs, 5 GB storage, 500M row reads/mo, 10M row writes/mo. No credit card.
Free
Developer
Unlimited DBs, 9 GB storage, 2.5B reads, 25M writes.
$5/mo
Scaler
24 GB storage, 100B reads, 100M writes. Teams + DPA support. Price is annual-billed.
$25/mo
Pro
50 GB storage, 250B reads, 250M writes. Teams, DPA, SSO, BYOK, HIPAA, SOC2, priority support. Annual billed.
$417/mo
Enterprise
White-glove support + unlimited usage + dedicated infra.
Custom
Free-tier quotas head-to-head
Comparing free on Postmark vs free on Turso.
| Metric | Postmark | Turso |
|---|---|---|
| databases | — | 100 DBs |
| row reads month | — | 500000000 reads/month |
| row writes month | — | 10000000 writes/month |
| storage gb | — | 5 GB |
Features
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.
Turso · 11 features
- Branching — Create DB branches from a primary for staging/test envs.
- BYOK Encryption — Bring your own encryption key (Pro+).
- Edge Routing — Requests route automatically to the nearest replica group.
- Embedded Replicas — Client-side local SQLite file that syncs from the primary — reads are <1ms local…
- libSQL — Turso's open-source SQLite fork with HTTP, WebSocket, and multi-writer support.
- libSQL Server (sqld) — Self-hostable server component. Runs libSQL as a service.
- Multi-Database — Create thousands of DBs cheaply — perfect for per-tenant / per-customer isolatio…
- Point-in-Time Restore — Rollback DB to any moment within backup window.
- Scheduled Backups — Automated point-in-time backups.
- SQLite Compatibility — Drop-in SQLite — same SQL dialect, same file format.
- Teams & RBAC — Org-level access control for Scaler+ tiers.
Developer interfaces
| Kind | Postmark | Turso |
|---|---|---|
| CLI | — | Turso CLI |
| SDK | postmark-dotnet, postmarker (Python), postmark-go, postmark (Node), postmark-php, postmark-rails | go-libsql, @libsql/client, libsql-experimental (Python), libsql-rs, libsql-swift |
| REST | Postmark REST API | libSQL HTTP, Platform API |
| MCP | — | Turso MCP |
| OTHER | Inbound Email, SMTP Relay, Webhooks | libSQL WebSocket, SQLite wire protocol |
Staxly is an independent catalog of developer platforms. Outbound links to Postmark and Turso 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.