ColdSEO
6.7#4 in blogger outreach softwareFrom $79 a monthFree planWebAPI
VisitColdSEO vs Mailshake
What both publish
| Fact | ColdSEO | Mailshake |
|---|---|---|
| Founded | 2025 | 2015 |
| Security | The privacy policy says SMTP credentials are encrypted at rest with AES-256-GCM, passwords use bcrypt cost 12, traffic is HTTPS-only, and privileged actions are logged. | The security page says Mailshake will post relevant security disclosures or advisories and directs vulnerability reports to [email protected]; the page says it was last revised December 14, 2021. |
| Support | The company lists [email protected] and a contact form; Pro and Agency customers receive priority email and chat support. | Mailshake says all plans include training and support resources, with onboarding, campaign reviews, office hours, and weekly live training also described on its site. |
ColdSEO plans
- FreeFree
- Pro$79 a month
- Agency$199 a month
Mailshake plans
- Starter$25 a month
- Starter$29 a month
- Email Outreach$45 a month
- Email Outreach$49 a month
- Sales Engagement$85 a month
- Sales Engagement$99 a month
Pick ColdSEO if…
You want what its maker publishes above — check its page for the details.
Pick Mailshake if…
Mailshake suits sales teams, sales representatives, agencies, and marketers who want to coordinate personalized email outreach with other prospecting tasks.