Grammarly alternatives

Tools that do what Grammarly does, found by what they say they do rather than by shelf. Among the equally alike, the most used come first. Each line says how it differs from Grammarly.

Read 2026-10-16

With a free plan or free to use: UltraHumanizer, Keyshift AI, winWhisper, CapyBro, ScriptHuman, Verant, 100% Free Ai Humanizer, UndetectedGPT, Subscribr.

10 alternativesUnlike Grammarly

#1
UltraHumanizer Writing
Rewrites AI-drafted text to vary sentence rhythm and wording, with a side-by-side view of each edit.
Free plan
78
Active
From $6/mo
#2
Keyshift AI Writing
Applies AI text edits like grammar fixes, translations, and summaries directly in any app via keyboard shortcuts.
Free planAlso: Translation
1
Active
From ≈ $4.48/mo
#3
winWhisper Voice
Transcribes speech to text in real time on Windows with AI rewriting and custom voice styling.
Free planAlso: Voice
9
Active
From $4.99/mo
#4
CapyBro Writing
Rewrites and improves selected text via hotkey in any Windows application using cloud or local AI models.
Free plan
20 linking domains
Active
From $9 once
#5
ScriptHuman Writing
Rewrites AI-generated text to sound human and bypass AI detection systems.
Free plan
Emerging
Maintained
From $6.99/mo
#6
Verant Writing MCP · sign-in
Renders live website pages and flags verifiable typos, grammar errors and leftover placeholder text for fixes.
Free planAlso: Monitoring
37
From $5/mo
2026
#7
100% Free Ai Humanizer Writing
Rewrites AI-generated text to evade detection tools while preserving meaning.
Free planNewer, since 2024
26.6k
Active
From $5.83/mo
2024
#8
AI Detector Text Writing
Detects AI writing patterns and rewrites text to sound more natural and human-like.
Also: Summarization
28 linking domains
Maintained
From $12/mo
#9
UndetectedGPT MCP · open
Rewrites machine-drafted prose so its sentence cadence and phrasing shift, aiming to evade AI-content detection tools.
Free planOwn MCP server
2.2k
Active
From $19.99/mo
2024
#10
Subscribr Writing MCP · sign-in
Finds viral YouTube video ideas from tracked outlier data, then writes scripts, generates thumbnails and produces edited videos for a channel.
Free planAlso: Video, Analytics
23k
Active
From $99/mo

← Grammarly: the full card All Writing tools →

How this list is made: the words Grammarly is described with (what it does, for whom, what it is used for) are matched against every tool in the Atlas. A tool on the same shelf, or doing the same kind of work, counts for a little more. Nothing here is paid for.