Turn raw campaign data into shareable, professional reports your whole team understands.
Acoustic
ActiveCampaign
ActiveTrail
Adobe Campaign
Amazon SES
AWeber
Benchmark
Brevo
Campaign Monitor
Constant Contact
ConvertKit
Customer.io
Drip
Eloqua
GetResponse
Acoustic
ActiveCampaign
ActiveTrail
Adobe Campaign
Amazon SES
AWeber
Benchmark
Brevo
Campaign Monitor
Constant Contact
ConvertKit
Customer.io
Drip
Eloqua
GetResponse
Everything you need to know about Email Calculator
Email Calculator is a campaign analytics platform that helps marketers measure and optimize email performance.
Enter campaign data manually or connect 56+ platforms. The platform syncs metrics from your email, ROI, and lead sources, then calculates key KPIs in real time — open rate, click rate, CTOR, bounce rate, ROI, and conversion rate — alongside visual analytics and actionable recommendations.
Email Calculator offers three plans:
Free — £0
Pro — £12/month or £96/year (33% saving)
Agency — £39/month or £312/year
Everything in Pro, plus:
Yes. Start with the Free plan (up to 3 reports total) to test the platform with manual data entry, AI features, Campaign Story, Compare, and chart customization. Upgrade to Pro anytime when you need unlimited reports, API integrations, exports, and scheduled reporting. Your existing reports carry over automatically. No credit card required to start.
Email Calculator connects to 56+ platforms across three categories:
Email Platforms
Mailchimp, Klaviyo, HubSpot, Brevo, ActiveCampaign, SendGrid, Mailgun, Campaign Monitor, Constant Contact, GetResponse, ConvertKit, AWeber, Moosend, Customer.io, Elastic Email, and more.
ROI Platforms
Shopify, WooCommerce, Stripe, PayPal, Square, Gumroad, Paddle, and more payment processors and e-commerce platforms.
Lead Platforms
Typeform, Google Forms, Jotform, Tally, Unbounce, Webflow Forms, Sitecore, Calendly, and more lead capture tools.
Visit the Platforms page to see all supported integrations.
No, API keys are optional. The Free plan works entirely with manual data entry — no keys needed.
API integrations are a Pro feature. Add your platform API keys in settings to enable automatic data syncing, so you don't need to manually enter metrics for each campaign. You choose what to connect and can disconnect at any time.
Email marketing strategy, campaign benchmarks, metrics guides, and reporting best practices — written for marketers who want better results.
AI inboxes, email summaries, and machine-generated previews are changing email marketing faster than most marketers realize. Discover why clarity now beats persuasion and how AI is quietly becoming your first audience.
Some subject lines trigger curiosity so effectively that people feel compelled to open the email immediately. Here's the psychology behind why certain subject lines are almost impossible to resist.
Subscribers subconsciously estimate how mentally demanding an email will be before they even open it. In overloaded inboxes, perceived effort often determines whether an email gets attention or postponed indefinitely.
