80
An all-in-one writing platform that lets you use your own API keys (OpenAI, Anthropic, etc.) for AI assistance. It features a Codex system to track lore and characters.
$4/movs Grammarly →
Grammarly
The most universally useful writing tool on this entire list - everyone should have this installed regardless of what else they use.
BigBang Score
72
/ 100
Pricing
Freemium
● OVERVIEW
What is Grammarly?
Grammarly remains the gold standard for writing quality assurance - grammar, style, tone, and now AI generation. The browser extension is used by over 30 million people daily.
● EDITORIAL VERDICT
Why we scored it
The most universally useful writing tool on this entire list - everyone should have this installed regardless of what else they use.
Pros
- +Browser extension works in Gmail, Docs, Slack, LinkedIn, and more
- +Tone detection flags unexpectedly harsh or confusing writing
- +Free tier covers 95% of day-to-day grammar needs
- +Plagiarism checker integrated in Pro tier
Cons
- −Premium tier is overpriced vs. free GPT-4o alternatives
- −AI generation features are basic compared to dedicated writing tools
- −Sometimes too aggressive with corrections that change your voice
- −Business features thin compared to Jasper or Copy.ai
● PRICING
How much does Grammarly cost?
Free (grammar and spelling only), Pro $12/mo billed annually, Business $15/user/mo.
● ALTERNATIVES
Best alternatives to Grammarly.
Same AI writing category, ranked by BigBang Score. Click any to compare side-by-side.
73
Gamma generates polished presentations, documents, and one-page websites from a text prompt. It pairs AI-generated copy with automatic layout and design, targeting marketers, founders, and internal teams who need professional-looking decks fast without touching PowerPoint or Figma.
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73
Writesonic positions itself as an SEO-focused writing assistant that generates content and tracks how AI-written articles rank in AI-powered search engines (GEO - Generative Engine Optimization).
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70
Lex is a distraction-free writing editor with built-in AI that suggests, rewrites, and continues your prose on demand. It targets bloggers, essayists, and newsletter writers who want a clean canvas with an AI co-pilot that stays out of the way until called upon.
Freemiumvs Grammarly →
69
Copy.ai started as a quick-copy tool for marketers but has pivoted into a GTM AI Platform - a workflow automation system for go-to-market teams that strings together AI writing with CRM data, prospecting, and outreach.
Freemiumvs Grammarly →
67
Designed specifically for creative writers, Sudowrite helps novelists brainstorm plots, develop characters, and expand scenes using a fiction-trained Muse model.
$10/movs Grammarly →
● FAQ
Grammarly - frequently asked.
Quick answers used by AI search engines and Google's People Also Ask.
Got a question about Grammarly?
The four answers here cover what most readers ask. For deeper context, the full review above includes pricing, pros and cons, and side-by-side alternatives.