KeapSmall business CRM and automation platform
vs
PostmarkThe email delivery service that people actually like
Comparison · Email Marketing · weekly run Nov 2
Keap vs Postmark
Which one do AI engines recommend, and how do they differ on price, fit and features?
The short answer
Postmark is the stronger AI pick in Email Marketing: it has a visibility score of 1.9 versus 0 for Keap.
Choose Keap if…
- Flat tiers pricing suits your budget better than usage-based
- Straightforward tier-based pricing with no features gated behind higher packages
- Lower effective monthly cost when paying annually
- Suited to growing teams needing workflow automation, custom sales pipelines and advanced reporting
Choose Postmark if…
- You want the brand AI engines rank higher (1.9 vs 0)
- You want a free plan to start
- You need GDPR coverage
- Usage-based pricing suits your budget better than flat tiers
AI visibility side by side
Latest weekly run · Nov 2
| Metric | Keap | Postmark |
|---|---|---|
| Visibility score | 0% | 1.9% |
| Change vs last week | New | New |
| Rank in Email Marketing | #49 | #29 |
| Share of voice | 0% | 0.9% |
| Mentions this run | 0 | 5 |
| Positive in AI answers | 25% | — |
The stronger value in each row is marked with a ✓.
Visibility score trend
Weekly runs over the last 60 days
Keap 0pp · Postmark 0pp over 0 weekly runs.
Engine by engine
Postmark leads on 3 of 3 engines
ChatGPT
AI Mode
Perplexity
KeapPostmark
Head to head in AI answers
0 engine answers name both brands
0Keap ranked higher
0Postmark ranked higher
Features, pricing & fit
| Dimension | Keap | Postmark |
|---|---|---|
| Pricing model | Flat tiers | Usage-based |
| Entry price | $299 / mo | Free; paid from $15 / mo |
| Free plan | No | Yes |
| Deployment | Cloud | Cloud |
| Integrations | 5000+ | — |
| Compliance | — | GDPR |
| Support | 24/7 chat support, U.S.-based phone support, Dedicated Customer Success Manager, Help center | Contact form |
| Founded | 2001 | 2010 |
| Headquarters | Chandler, Arizona, United States | — |
| Employees | 201–500 | — |
| Funding | Debt | — |
| Best for | Growth-focused small businesses such as consultants, marketing agencies, coaches and startups that want marketing and sales automation | Developers and product teams that need reliable transactional email |
Plans side by side
Postmark
Free$0month
Basic$15month
Pro$16.5month
Platform$18month
High volumeCustomcustom
Pros and cons
Themes from the AI answers that mention each brand
Keap
- Straightforward tier-based pricing with no features gated behind higher packages
- Lower effective monthly cost when paying annually
- Suited to growing teams needing workflow automation, custom sales pipelines and advanced reporting
Postmark
- recommended for transactional email
- suited to reliable transactional email
Data collected ·ChatGPT, Perplexity, Google AI Mode·coverage 100%·next run
Cite as: SlateIndex, “Keap vs Postmark”, https://slateindex.ai/compare/keap-vs-postmark, data of Nov 2, 2026. Licence: CC BY 4.0.