
Every Email Campaign You Send Changes the Next One
Email campaigns don’t exist in isolation. Every send shapes your future performance — through engagement signals, reputation, and invisible feedback loops.
Pull your email metrics, revenue, and lead data into one place and stop chasing numbers across platforms.
Connect any email platform, get instant analysis and AI recommendations, compare benchmarks, then export or share reports.
Link your email platform upto 56+ integrations or manual entry.
Automatic calculations, visual charts, and benchmarks against your industry.
Understand what's working, what isn't, and what action to take next.
One-click export to PDF, PPT, Word, or share via email.
For trying the platform.
Practical email marketing campaign tips.
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.
"Finally, all my campaign data in one place. Connected Klaviyo and Shopify in like 5 minutes and now I can actually see what's making money."
"Campaign Story is brilliant. My team gets it now without me having to explain every metric. Just shows what worked and what didn't."
"Set up scheduled reports once and now my Monday mornings are so much easier. No more scrambling to pull numbers before standup."
"Game changer for our agency. Each client has their own workspace and we're not mixing data anymore. Should've done this ages ago."
"The Deep Dive feature actually shows me why things work or fail. Segment breakdowns, device data, everything I need to optimize properly."
"Export with client logos takes literally 2 minutes. They think I spent hours designing custom reports. Best feature ever."
"Comparing campaigns side by side is so obvious but I couldn't do it easily before. Now I know exactly which subject lines and send times win."
Email marketing strategy, campaign benchmarks, metrics guides, and reporting best practices — written for marketers who want better results.

Email campaigns don’t exist in isolation. Every send shapes your future performance — through engagement signals, reputation, and invisible feedback loops.

Most email marketers wait 24–48 hours to review results — but by then, the most important signals are already gone. Here’s why timing matters more than you think.

Most email marketers are focusing on the wrong things. If I had to start again in 2026, these are the only areas I’d prioritise to improve performance.