Convert more visitors into subscribers

With Proof you can show potential subscribers they can trust you with independently verified metrics about your newsletter.

You can use Proof to easily add statistics about your email audience anywhere on your website. When new visitors see how (many) people love your emails, they’ll be more likely to trust you and subscribe.

  • totally free

  • easy, 5min, no-code setup

  • no work - your stats auto-update!

  • extra trust with 'verified by SparkLoop' badge