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Documentation · head to head

Grammarly vs Replika

Grammarly logo

Grammarly

Documentation

Great writing, simplified

From
Free
Rated
-
Full reviewWebsite
Replika logo

Replika

AI

AI companion for meaningful conversations

From
Free
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: Grammarly occasional false positives and grammatically incorrect suggestions that can introduce errors; Replika pricing not published on main website or pricing page
  • They diverge on capability: Grammarly covers Grammar checking, Replika covers Conversational AI.
  • Prices and features above were last checked on 30 August 2026.

Where they differ

Only the attributes on which Grammarly and Replika actually diverge.

Attributes where Grammarly and Replika differ
AttributeGrammarlyReplika
Pricing modelUnknownfreemium
PlatformsWeb, macOS, Windows, iOS, AndroidIos, Android, Web
CategoryDocumentationAI
Founded20092016

Identical on both: starting price (Free), free tier (Yes), user rating (Not yet rated).

What each one covers

Drawn from each product's published feature list. An absence here means we hold no record of it - not that the product lacks it.

Only in Grammarly

  • Grammar checking
  • Spelling correction
  • Punctuation
  • Clarity suggestions
  • Engagement feedback
  • Delivery insights
  • Plagiarism checker
  • Citation generator

Only in Replika

  • Conversational AI
  • Memory
  • Emotional support
  • Voice calls
  • AR features
  • Mobile apps
  • Ios support
  • Android support

What people use each for

The jobs each tool is most often brought in to do.

Grammarly

  • Email writingnot Replika
  • Document editingnot Replika
  • Academic writingnot Replika
  • Business communicationnot Replika
  • Content creationnot Replika

Replika

  • ai tools managementnot Grammarly
  • Workflow automationnot Grammarly
  • Reportingnot Grammarly

Where each one falls short

Documented limitations, not opinions. Every one is a constraint you would hit in normal use.

Grammarly

  • Occasional false positives and grammatically incorrect suggestions that can introduce errors
  • Privacy concerns about sending text to Grammarly's servers for analysis
  • AI capabilities sometimes produce hallucinations and fabricated citations that appear grammatically correct

Replika

  • Pricing not published on main website or pricing page

Pricing, plan by plan

Grammarly

Free
  • FreeFree
    • Basic grammar and spelling checks
    • Tone visibility
    • 100 AI prompts per month
  • Pro$12/month
    • Sentence rewrites
    • Tone adjustment
    • Plagiarism and AI detection

Replika

Free
  • FreeFree
    • Basic conversations
    • Memory
  • Pro$7.99/month
    • All features
    • Voice calls
    • AR

Which should you pick?

Choose Grammarly if

  • You need grammar checking.
  • You want to start without paying.
  • You work on Web, macOS, Windows, iOS, Android.
  • You also want spelling correction.
Grammarly review

Choose Replika if

  • You need conversational ai.
  • You want to start without paying.
  • You work on Ios, Android, Web.
  • You also want memory.
Replika review

Questions people ask

Is Grammarly or Replika better?
Neither clearly leads. Grammarly starts at Free and Replika at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Grammarly or Replika?
Grammarly starts at Free and Replika at Free.
Does Grammarly or Replika run on more platforms?
Grammarly runs on Web, macOS, Windows, iOS, Android. Replika runs on Ios, Android, Web.
Can I use Grammarly for free?
Both have a free tier, so you can try either at no cost before committing.
What is Grammarly best used for?
Grammarly is most often used for email writing, document editing, academic writing, business communication. Of those, email writing and document editing are not what Replika is typically brought in for.
What can Grammarly do that Replika cannot?
Grammarly covers Grammar checking, Spelling correction, Punctuation, Clarity suggestions. Replika covers Conversational AI, Memory, Emotional support, Voice calls.

Answered from the vendors’ own pages

Grammarly: Does Grammarly have a free version?

Yes, Grammarly offers a free tier with basic spelling, grammar, and punctuation checks, tone visibility, and 100 AI prompts per month. The Pro plan ($12/month annual) adds sentence rewriting, plagiarism detection, and 2,000 AI prompts.

Source
Replika: How much does Replika cost?

Replika does not publish specific pricing information on its website. The app directs users to get the application, suggesting a subscription model exists, but pricing tiers and costs are not disclosed on the public site.

Source
Grammarly: What platforms does Grammarly work with?

Grammarly works across 1 million+ apps including Google Docs, Microsoft Word, Outlook, Slack, Gmail, and web browsers. It also integrates with productivity tools like Asana, Jira, Monday.com, Confluence, and HubSpot.

Source
Grammarly: Can I use Grammarly offline?

Grammarly requires an internet connection to function, though the browser extension works with some offline text areas. For offline use, the desktop app and browser extensions sync when reconnected.

Source
Grammarly: What is included in the Enterprise plan?

The Enterprise plan includes unlimited team members, dedicated support, custom roles and permissions, data loss prevention, bring-your-own-key encryption, and unlimited AI prompts. Pricing is custom and available by contacting sales.

Source
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