Postmark vs Upstash: which is cheaper?

Upstash starts at $10/mo, while Postmark starts at $15/mo in the latest snapshot.

Does Postmark or Upstash have a free plan?

Both Postmark and Upstash show a free plan in the latest snapshot, so the plan tables above are the fastest way to compare limits.

Is Postmark a good email alternative to Upstash?

Postmark is tracked in email, while Upstash overlaps for similar buyers. Use the changelog section below to compare shipping cadence before you choose.

How often is this Postmark vs Upstash comparison updated?

TrackRival refreshes pricing snapshots daily and appends new changelog entries whenever either product ships a release.

Postmark vs Upstash

A side-by-side comparison of pricing, plans, and recent product updates. Pricing data last refreshed May 14, 2026.

Postmark

Reliable transactional email.

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Category: email
Plans tracked: 4
Entry price: $15/mo
Free plan?: Yes

See full Postmark pricing & changelog →

Upstash

Serverless data for Redis and Kafka.

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Category: database
Plans tracked: 4
Entry price: $10/mo
Free plan?: Yes

See full Upstash pricing & changelog →

Plan-by-plan pricing

Postmark

Free

Postmark

Free

Test your integration with 100 emails/month
No overages allowed in this plan
Perfect for testing and side projects with low volume
Up to 10 custom sending domains
Up to 10 servers
+ 1 more

Basic

Postmark

$15/mo

Extra emails @ $1.80 / 1,000
Industry-leading deliverability rates & speed
45-day data retention
5 Custom sending domains
Unlimited emails/day
+ 1 more

Pro

Postmark

$16.5/mo

Extra emails @ $1.30 / 1,000
Customizable data retention up to 365 days (45-day default)
10 Custom sending domains
Inbound email processing
Unlimited emails/day
+ 1 more

Platform

Postmark

$18/mo

Extra emails @ $1.20 / 1,000
Customizable data retention up to 365 days (45-day default)
Unlimited Custom sending domains
Inbound email processing
Unlimited users
+ 1 more

Upstash

Free

Upstash

Free

256 MB data size
500K monthly commands
Max 1 database
Community support
10,000 max commands per second
+ 1 more

Fixed 250MB

Upstash

$10/mo

$10/month + $5 per read region
250 MB data size
50 GB monthly bandwidth
No per-command pricing
Max 100 databases
+ 1 more

Pay as You Go

Upstash

$0.2 per 100K commands
100 GB data size
Unlimited monthly bandwidth
Max 100 databases
Email support
+ 1 more

Enterprise

Upstash

Custom

Everything in Prod Pack
100K+ commands per second
Unlimited bandwidth and database count
Professional support with SLA
Dedicated resources for isolation
+ 1 more