ES.AI
Writing
AI-powered college application essay toolkit
Like Lex, ES.AI is in the Writing category. Both are freemium. Worth comparing on the detail page.
We've curated 49 of the best alternatives to Lex, ranked by feature overlap, topic similarity, user ratings, and popularity. ES.AI, SpellCopy, and EduWriter lead the list as the closest matches.
Updated May 18, 2026
The list includes 49 freemium, so whether you're looking for a no-cost replacement or a more capable paid tier, there's an option to compare. Lex itself is freemium, which makes freemium alternatives the most natural starting point.
Many of these tools cluster around use cases like Content Creation, Content Generation, Text Generation, and Ai Writing Tool — the same problem spaces Lex addresses. Cross-referencing tools that overlap on multiple topics gives a more reliable signal than category alone, because two products in the same category can still serve very different workflows.
Our ranking weighs eight signals: shared category, topic overlap, feature overlap, name and description text similarity (via PostgreSQL's pg_trgm and tsvector), Bayesian-smoothed user ratings, pricing-model match, popularity, and editorial overrides. Scores are then normalized within each tool's own candidate pool so the top match always represents the strongest available alternative.
Use the table of contents below to jump to free or paid alternatives, or scroll down to compare each option side-by-side with Lex.
Ranked by compatibility score
Writing
AI-powered college application essay toolkit
Like Lex, ES.AI is in the Writing category. Both are freemium. Worth comparing on the detail page.
Writing
Word and phrase suggestions to enhance writing.
Like Lex, SpellCopy is in the Writing category. Both are freemium. Worth comparing on the detail page.
0 free and 49 freemium options.
25 additional candidates
ES.AI ranks as the highest-scoring alternative to Lex, based on shared category, topic overlap, feature similarity, and user ratings. Ratings are still being collected for this tool.
Yes — 0 fully free and 49 freemium alternatives are available, including ES.AI, SpellCopy, and EduWriter.
ES.AI is similarly priced (freemium) and sits in the same category (Writing). View its detail page to compare features, integrations, and reviews side-by-side.
Top Writing alternatives include ES.AI, SpellCopy, EduWriter, and Castly. These tools share the same primary category and have meaningful topic overlap with Lex.
Neither Lex nor ES.AI has user ratings yet — be the first to review either tool to help future visitors compare them.
Writing
Generate perfect essays instantly with AI.
Like Lex, EduWriter is in the Writing category. Both are freemium. Worth comparing on the detail page.
Writing
Transform ideas into content with AI supercharge
Like Lex, Castly is in the Writing category. Both are freemium. Worth comparing on the detail page.
Writing
Intelligent writing tool for all types of text.
Like Lex, Shy Editor is in the Writing category. Both are freemium. Worth comparing on the detail page.
Writing
AI-powered writing for seamless creativity.
Like Lex, Sojot is in the Writing category. Both are freemium. Worth comparing on the detail page.
Writing
Generate any text using AI, faster.
Like Lex, Compose AI is in the Writing category. Both are freemium. Worth comparing on the detail page.
Writing
The essential AI writing companion
Like Lex, QuillBot: AI writing companion is in the Writing category. Both are freemium. Worth comparing on the detail page.
Writing
AI-powered writing assistant for high-quality, inclusive content.
Like Lex, Textmetrics is in the Writing category. Both are freemium. Worth comparing on the detail page.
Writing
AI writer boosts blogs 5X faster
Like Lex, Bramework is in the Writing category. Both are freemium. Worth comparing on the detail page.
Writing
Create high-quality content 7x faster with AI.
Like Lex, TextCortex is in the Writing category. Both are freemium. Worth comparing on the detail page.
Writing
AI-powered sentence completions to banish writer's block.
Like Lex, Writier is in the Writing category. Both are freemium. Worth comparing on the detail page.
Writing
AI-powered writing assistant for quick, creative text generation.
Like Lex, Cedille is in the Writing category. Both are freemium. Worth comparing on the detail page.
Writing
Craft quality AI content with substance.
Like Lex, ChibiAI is in the Writing category. Both are freemium. Worth comparing on the detail page.
Writing
Supercharge your writing with AI-powered assistance.
Like Lex, Typeright is in the Writing category. Both are freemium. Worth comparing on the detail page.
Writing
Craft content in seconds with AI writing tools
Like Lex, Typli.ai is in the Writing category. Both are freemium. Worth comparing on the detail page.
Writing
Transform your business with AI genies
Like Lex, Textify is in the Writing category. Both are freemium. Worth comparing on the detail page.
Writing
ChatGPT for your entire knowledge base.
Like Lex, Elephas is in the Writing category. Both are freemium. Worth comparing on the detail page.
Writing
Never write from scratch again.
Like Lex, Moonbeam is in the Writing category. Both are freemium. Worth comparing on the detail page.
Writing
Generate high-quality text with state-of-the-art AI
Like Lex, Text-Generator is in the Writing category. Both are freemium. Worth comparing on the detail page.
Writing
AI-powered copy assistant that writes with you
Like Lex, Smart Copy - AI Copy Assistant is in the Writing category. Both are freemium. Worth comparing on the detail page.
Writing
AI-powered writing for content creators and knowledge workers.
Like Lex, Glasp.co is in the Writing category. Both are freemium. Worth comparing on the detail page.
Writing
AI Writing Assistant for high-quality content, fast.
Like Lex, WriterX is in the Writing category. Both are freemium. Worth comparing on the detail page.
Writing
AI-powered writing assistant for effortless, supercharged writing.
Like Lex, Boo.ai is in the Writing category. Both are freemium. Worth comparing on the detail page.
43 more free/freemium alternatives listed below. Browse all Lex alternatives ↓
49 free or freemium alternatives to Lex on /tools/lex/alternatives.
Like Lex, Penelope AI is in the Writing category. Both are freemium. Worth comparing on the detail page.
