Comparison
| Tool | Price from | Free plan | Category |
|---|---|---|---|
 Compose AI | not listed | yes | Writing & editing |
 LanguageTool | 49,90 PLN/mo | yes | Writing & editing |
 Grammarly | 12 USD/mo | yes | Writing & editing |
 QuillBot | not listed | ? | Writing & editing |
 Clever AI Humanizer | not listed | yes | Writing & editing |
 HyperWrite | 16 USD/mo | yes | Writing & editing |
 Mutiny | 50 USD/mo | trial | Writing & editing |
 Novelcrafter | 4 USD/mo | trial | Writing & editing |
 Shortwave | 30 USD/mo | trial | Writing & editing |
Each alternative in short
1. LanguageTool
AI-based grammar, spelling and style checker for writing in over 30 languages, for individuals and teams.
Yes, there is a free plan. Free grammar checker with basic checks in the online editor and browser add-ons.
2. Grammarly
AI writing assistant that checks grammar, tone and clarity and generates text in any app or website, for individuals and teams.
Yes, there is a free plan. Free plan: writing corrections, see your writing tone, and 100 AI prompts per month.
3. QuillBot
AI writing suite for paraphrasing, grammar checking, AI detection, and content creation, aimed at writers, students, and professionals.
The vendor does not state this clearly on the homepage or pricing page.
4. Clever AI Humanizer
Free web tool that rewrites AI-generated drafts to sound more natural, varied and readable, for writers, marketers and job seekers.
Yes, there is a free plan. 100% free with no fixed monthly word allowance, up to 3,000 words per request, no ads or paywall; content history requires a free sign-in.
5. HyperWrite
AI writing assistant with autocomplete, web search and citations, for writers, students and professionals working in Chrome and Gmail.
Yes, there is a free plan. Free account with limited monthly credits on the basic AI.
6. Mutiny
AI sales assistant that builds custom buyer assets (decks, deal rooms, business cases, follow-ups) from calls, email and CRM data for enterprise sales teams.
There is a free trial. Free plan with up to 5 team members, 5 daily credits (up to 30 per month) per seat, 5 templates, 5 routines and 5 projects per user, and access to training videos. Unlimited integrations are available for 30 days.
7. Novelcrafter
Novel writing software with a story bible (Codex), planning tools and optional AI assistance for authors writing books, series and other long-form fiction.
There is a free trial. 21-day free trial with all features unlocked, no credit card required.
8. Shortwave
AI email client that organizes, writes, searches and schedules email from a prompt, for individuals and teams.
There is a free trial. 14-day free trial of the paid plans; the page mentions no credit card is required to get started.
FAQ
What is the best alternative to Compose AI?
The most popular option in the same category is LanguageTool. See the comparison table above.