Postmark vs Triple Whale
Side-by-side plans, pricing, and feature gates for Postmark and Triple Whale, verified . Postmark is primarily transactional email; Triple Whale is primarily marketing attribution.
Triple Whale
- Starting price
- $107.50/mo
- Free plan
- No
- Free trial
- ·
- Plans
- 3
Plans side by side
Every published plan from each vendor, with the headline monthly anchor price. Some prices scale with subscriber count or seats; full detail lives on each tool's page.
Postmark
- Free
100 emails per month, no credit card required
Free - Basic
Entry paid tier with 10,000 emails/month and 5 custom domains
$15/mo - Pro
10,000 emails/month with inbound processing and customizable retention
$16.50/mo - Platform
Unlimited domains and users with the lowest overage rate
$18/mo - High-Volume
Custom pricing for volumes above standard tiers
Custom
Triple Whale
- Growth
Standard attribution and core analytics boards
$107.50/mo - Pro
Most popular: full attribution + CDP
$279/mo - Enterprise+
Warehouse syncing and dedicated implementation
Custom
Limits at the entry paid tier
Compares Basic (Postmark) against Growth (Triple Whale). Both are the lowest-priced non-free, non-custom plan on each side.
| Limit | Postmark | Triple Whale |
|---|---|---|
| Emails / month | 10,000 | · |
When Postmark wins
- SaaS apps prioritizing receipt and notification deliverability
- Teams that need detailed inbound email parsing alongside outbound sends
- Companies that need 365-day data retention for compliance
Where Postmark is the wrong fit
- Hobby projects with bursty traffic (Mailgun's 100/day or Resend's 3,000/month are friendlier than the 100/month Free cap)
- Marketing teams (use Mailchimp or Kit)
- Buyers who want a single vendor for marketing and transactional email
When Triple Whale wins
- Shopify stores doing $1M+ GMV running paid social and Google Ads with attribution questions
- E-commerce ops teams needing multi-touch plus LTV and RFM in one tool
- Data-conscious stores wanting warehouse-grade syncing
Where Triple Whale is the wrong fit
- B2B marketers (use Customer.io or HubSpot for attribution)
- Shopify stores under $500k GMV where cost outweighs incremental insight
- Brands not on Shopify, since Triple Whale's strongest integrations are Shopify-first
Common questions
- Is Postmark cheaper than Triple Whale?
- At the entry tier, Postmark starts at Free versus Triple Whale at $107.50/mo. Postmark is cheaper at the entry. Pricing scales differently above that, so check the full plan grid.
- Does Postmark or Triple Whale have a free plan?
- Only Postmark has a permanent free plan. Triple Whale only offers a free trial.
- Are Postmark and Triple Whale in the same category?
- No. Postmark is primarily a transactional email tool; Triple Whale is primarily a marketing attribution tool. They overlap on use case but sit in different primary categories, so the comparison is between adjacent tools rather than direct competitors.
- Which has more plans, Postmark or Triple Whale?
- Postmark ships 5 plans; Triple Whale ships 3. Postmark's longer ladder gives more granular upgrade steps, which can mean smoother price escalation as your team scales.
- Where can I see alternatives to Postmark or Triple Whale?
- Each tool has a dedicated alternatives page on TierGauge with ranked options and verified pricing: /alternatives/postmark for Postmark and /alternatives/triple-whale for Triple Whale. Alternatives are derived from each tool's editor-flagged competitors plus same-category tools we track.
Postmark: https://postmarkapp.com/pricing · Triple Whale: https://www.triplewhale.com/pricing
Last verified . Pricing changes between refreshes; confirm at the vendor before purchasing.