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Casper vs Grammarly

Casper

caspercontent.com

Grammarly

grammarly.com

Side by side

FigureCasperGrammarly
Price from$29/mo$12/mo
Free plan—Yes
Free trialYes—
Open source——
WebYes—
iOS—Yes
Android—Yes
Plans published64
Spec score · AI Writing Tools8.4 (#71)9.2 (#11)
Free planNoYes

Plans

Casper

  • Starter$29 a month
  • Pro$99 a month
  • Advanced$249 a month
  • Starter$29 a month
  • Pro$99 a month
  • Advanced$249 a month

Casper pricing →

Grammarly

  • FreeFree
  • Pro$12 a month
  • EnterprisePriced on request
  • PlusPrice not published

Grammarly pricing →

In their own words

Casper

Casper has no write-up on Specifiction yet; its figures are above.

Visit caspercontent.com

Grammarly

Grammarly is a writing assistant from Grammarly, founded in 2009 and now part of Superhuman. Its listed tools include proofreading, paragraph rewrites, tone suggestions, a humanizer, and AI detector agents. Style suggestions and tone detection are listed, alongside brand voice controls and team collaboration. The Free plan is free and includes 100 AI prompts per month; Pro is $12 a month with 2,000 AI prompts per member per month. Plus is listed at ₹392 INR per member per month when billed annually, and ₹1,000 when billed monthly, and is available only via local payment methods. Grammarly lists 24 supported languages, browser compatibility with Chrome, Safari, Firefox, and Edge, and mobile apps for iPhone, iPad, and Android. Desktop apps and a browser extension are also listed. Grammarly says user content is not sold, monetized for advertising, or used to train third-party models. Its SOC 2 Type 2 report covers security, privacy, availability, and confidentiality controls.

Visit grammarly.com