Email Readability Checker
Computes Flesch reading-ease score for email body text. Higher = easier to read. B2B email sweet spot: 50-70.
You checked one email. Outsolvi follows every one you send.
The analyzer looks at an email before it goes. Outsolvi shows what happened after: graded opens, clicks and replies for every email you send from Outlook or Gmail. From $7/user/mo billed yearly, 14-day free trial.
Track your next sendStandard Flesch formula: 206.835 − 1.015 × (words/sentences) − 84.6 × (syllables/words). Approximates syllables by vowel-group counting.
Auditing cold email body. Calibrating writing complexity to the target audience.
FAQ
What's a good Flesch score for B2B email?+
50-70 is the sweet spot. Above 70 reads as too casual; below 50 reads as bureaucratic.
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Articles, glossary entries, and other tools on the same topic.
Nate built Outsolvi after watching every email-tracking tool he had ever used lie to him about opens. Outsolvi grades every open as a person or a machine, in Outlook and Gmail, so the number on the dashboard is one a rep can actually act on.
We update these pages when the underlying mechanics change. new mailbox-provider rules, new tracker behavior, new measurement gaps. The dates above are real revisions, not auto-touches.