FikarFix...
Email subject line tester
Free tool
Email subject line tester
Score length, spam phrases and shouting before the campaign goes out. Optional AI rewrites if the writing model is on.
Questions
What subject length works?
Most inboxes show about 40–60 characters on mobile. Front-load the point.
Can you write the whole sequence?
Yes — FikarFix runs email and ads for brands. Use this tester, then get a quote for the campaign.
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