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SPECIFICTION
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Mailpro vs SignalPost

Mailpro

mailpro.com

SignalPost

signalpost.email

Side by side

FigureMailproSignalPost
Price from$15/mo$19/mo
Free plan——
Free trialYesYes
Open source——
WebYesYes
WindowsYes—
macOSYes—
LinuxYes—
iOSYes—
AndroidYes—
APIYesYes
Plans published34
Spec score · Email marketing tools9.1 (#12)7.9 (#99)
Spec score · Email Marketing Software8.8 (#21)7.7 (#132)
A/B testingYesYes
AutomationAutomations support predefined workflows, triggers, actions and custom conditions; Flex excludes advanced automations while Pro includes them.Automations support triggers, delays, conditions, percentage splits, email, tag and webhook actions, testing, run logs, reordering, and pause or resume controls.
Email automationYesYes
Free planYesNo
IntegrationsOfficial integrations include WordPress, Shopify, PrestaShop, Magento, Zapier, Make and n8n, alongside CRM and form connectors.The site says users can connect supported CRM, commerce, and analytics tools, and use API access and webhooks; it does not name specific integrations on the opened page.
Monthly send limit100010000
SegmentationContacts can be organized with lists, tags, custom fields and behavior or location based segments.Yes

Plans

Mailpro

  • TRIALFree
  • FLEX$15, paid once
  • PRO$15 a month

Mailpro pricing →

SignalPost

  • Starter$19 a month
  • Growth$49 a month
  • Pro$99 a month
  • Agency$249 a month

SignalPost pricing →

In their own words

Mailpro

Mailpro is a web-based email marketing service from a company founded in 2001 and headquartered in Geneva, Switzerland. It provides email automation, audience segmentation, and A/B testing for organizing campaigns, targeting groups, and comparing message versions. Landing pages are not included. The listed monthly send limit is 1,000 emails. Plans are named Trial, Pro, and Flex: Trial lasts 30 days, Pro covers 1,000 emails per month, and Flex provides 5,000 credits. The pricing note mentions a free plan and a 30-day trial, while the product facts identify no free plan and list the trial as available; no plan price is shown. Mailpro runs on the web. Its capabilities focus on sending and refining email campaigns through automation, segmentation, and testing. The 1,000-email limit and lack of landing pages are central considerations when matching it to a campaign workflow.

Visit mailpro.com

SignalPost

SignalPost has no write-up on Specifiction yet; its figures are above.

Visit signalpost.email