Newsletter Insights — independent newsletter & sponsorship data across 32K+ newsletters
Browse all →Taking a nerd's-eye view of brands doing interesting things with their language and tone of voice. Monthly. Written by Nick Parker. www.nickparker.co.uk.
Enter your email and we'll connect you with this newsletter.
Tell us your brand and audience. We send back 10-15 newsletters matched to your brief, with sponsor history and CPM ranges per placement.
$300·2-3 working days·refunded if we can't deliver
See what's includedTone Knob's metrics, benchmarks, and sponsor data in one document
10K
Top 25% in Marketing
substack
Marketing
0.31%· ~31/post
(comments + likes) / subscribers
vs 0.00% category avg
WeeklyOn pause
Last published Mar 12, 2026
$5/mo
Category avg: $7/mo
224
newsletters in Marketing
Top 25% in Marketing
out of 224 newslettersPublishing Frequency
Weekly
Inactive — last post 2 months ago