Grammarly vs Sudowrite

Grammarly and Sudowrite are two of the most popular tools in the writing category, but they take different approaches to solving the same problems. Grammarly, developed by Grammarly (founded 2009), is described as "ai writing assistant for grammar, clarity, and tone.". Meanwhile, Sudowrite by Sudowrite (founded 2020) "ai writing tool specifically designed for fiction writers.". In terms of overall user satisfaction, Grammarly edges ahead with a rating of 4.5/5.0, compared to Sudowrite's 4.1/5.0 — a difference of 0.4 points. Grammarly's strongest advantages include best grammar checker, works everywhere, while Sudowrite is praised for designed for fiction. Both tools are priced around $12/mo, so cost isn't a differentiator here — the decision comes down to capabilities rather than budget. Neither tool is perfect: Grammarly's main drawbacks include premium is pricey, can be overly aggressive, while Sudowrite users typically cite expensive as its biggest limitation. However, Grammarly has an edge in email writing, which might be the tiebreaker if that's important to you. In terms of target audience, Grammarly is particularly popular among students and professionals, while Sudowrite tends to attract fiction writers and authors. Our verdict: Grammarly is the stronger choice overall, especially if you value best grammar checker. However, if designed for fiction matters more to your workflow, Sudowrite remains a solid alternative.