Grammarly
Catching typos and clarity issues everywhere you write, including the Substack editor
Directory / Editing & Proofreading / Hemingway Editor
Hemingway Editor
Our verdict: The free web version does the core job (highlighting long and passive sentences). Most writers don't need Plus.
Best for
Making dense posts easier to read
Pricing
Free web editor; Editor Plus from $8.33/mo billed annually ($100/yr).
Source: official site
Website
Last checked
2026-10-18
Disclosure: We have no affiliate relationship with this vendor. StackKit is independent and not affiliated with Substack Inc. Spot an error? Email hello@stackkit.ink.
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