KeapSmall business CRM and automation platform
vs
MailgunTransactional Email API Service For Developers
Comparison · Email Marketing · weekly run Nov 2
Keap vs Mailgun
Which one do AI engines recommend, and how do they differ on price, fit and features?
The short answer
Mailgun is the stronger AI pick in Email Marketing: it has a visibility score of 0.9 versus 0 for Keap.
Choose Keap if…
- AI answers describe it more positively (25% vs 0% positive)
- 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
Choose Mailgun if…
- You want the brand AI engines rank higher (0.9 vs 0)
- You want a free plan to start
- You need SOC 2 Type II or ISO/IEC 27001 or ISO 27701 or GDPR compliant or HIPAA compliant or PCI-compliant SAQ-A merchant coverage
- Usage-based pricing suits your budget better than flat tiers
AI visibility side by side
Latest weekly run · Nov 2
| Metric | Keap | Mailgun |
|---|---|---|
| Visibility score | 0% | 0.9% |
| Change vs last week | New | New |
| Rank in Email Marketing | #49 | #36 |
| Share of voice | 0% | 0.2% |
| Mentions this run | 0 | 1 |
| Positive in AI answers | 25% | 0% |
The stronger value in each row is marked with a ✓.
Visibility score trend
Weekly runs over the last 60 days
Keap 0pp · Mailgun 0pp over 0 weekly runs.
Engine by engine
Mailgun leads on 3 of 3 engines
ChatGPT
AI Mode
Perplexity
KeapMailgun
Head to head in AI answers
0 engine answers name both brands
0Keap ranked higher
0Mailgun ranked higher
Features, pricing & fit
| Dimension | Keap | Mailgun |
|---|---|---|
| Pricing model | Flat tiers | Usage-based |
| Entry price | $299 / mo | Free; paid from $15 / mo |
| Free plan | No | Yes |
| Deployment | Cloud | Cloud, hosted in US and EU regions |
| Integrations | 5000+ | — |
| Compliance | — | SOC 2 Type II, ISO/IEC 27001, ISO 27701, GDPR compliant, HIPAA compliant, PCI-compliant SAQ-A merchant |
| Support | 24/7 chat support, U.S.-based phone support, Dedicated Customer Success Manager, Help center | Knowledge Center, Documentation, Ticket support, Chat support on higher plans |
| Founded | 2001 | 2010 |
| Headquarters | Chandler, Arizona, United States | — |
| Employees | 201–500 | 201–500 |
| Funding | Debt | Growth investment (Thoma Bravo) · $51M raised |
| Best for | Growth-focused small businesses such as consultants, marketing agencies, coaches and startups that want marketing and sales automation | Developers and engineering teams that need to send transactional and marketing email through an API |
Plans side by side
Mailgun
Free$0month
Basic$15month (10,000 emails included)
Foundation$35month (50,000 emails included)
Scale$90month (100,000 emails included)
EnterpriseCustomcustom
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
Mailgun
- recommended for sending larger volumes programmatically
Data collected ·ChatGPT, Perplexity, Google AI Mode·coverage 100%·next run
Cite as: SlateIndex, “Keap vs Mailgun”, https://slateindex.ai/compare/keap-vs-mailgun, data of Nov 2, 2026. Licence: CC BY 4.0.