Grammarly vs Instantly

Grammarly
AI writing assistance everywhere.
70.7 · B
From $12/mo · See pricing
Instantly
Cold email platform with unlimited sending accounts, AI warmup, and built-in lead database
70.2 · B
From $37/mo · See pricing
SpecGrammarlyInstantly
CategoryAI WritingAI Marketing
Pricing$12/mo$37/mo
Hours saved/wk36
Ease of use108
Popularity107
Usefulness88
ROI Score70.770.2

Our pick: Grammarly

With an ROI score of 70.7/100, Grammarly edges ahead on value for money. Plans start at $12/mo.

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Frequently asked questions

Is Grammarly better than Instantly in 2026?

Based on our editorial ROI Score, Grammarly (70.7/100) edges out Instantly (70.2/100). The score factors in cost, time saved, ease of use, and output quality.

Is Grammarly cheaper than Instantly?

Grammarly starts at $12/mo, while Instantly starts at $37/mo. Visit the full pricing pages for plan details.

What is the main difference between Grammarly and Instantly?

Grammarly is a AI Writing tool while Instantly falls under AI Marketing. They serve different primary use cases but are frequently compared by teams evaluating AI tool stacks.

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