Lex

7.6easy start · #51 of 269
in AI Writing Tools

Free to practise onnot on record
Free trialyes
Well documentedyes
Runs where you worknot on record

Runs on api, iOS, Web.

Visit site Alternatives

Lex is ranked #51 of 269 in AI writing tools on The Geeks Club. It runs on API, iOS, Web. A free trial is offered.

Lex plans and pricing

All plans

Lex Pro Not published Monthly version mentioned; price not displayed on the opened pricing page. Access to premium AI models · early access to features and the iOS app · priority email support lex.page · 5 Oct 2026

Compared on AI writing tools

Free plan: Yes
Brand voice controls: Yes
Browser extension: No
Desktop app: No
Mobile app: Yes

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The record

Product: Lex describes itself as collaborative documents with AI editing tools.
AI writing tools: Lex offers AI feedback for drafts, brainstorming and rewrites, plus commands and one-click title ideas.
Collaboration: Users can share documents for live collaboration, comments and read-only publishing; collaborators can join from a link without downloading an app.
Free account limits: Free users are limited to 30 Ask Lex messages per day, five saved prompt runs per month and a low daily AI processing budget.
Customization: Lex supports custom reusable prompts and shared context tags that give its AI background about a team's voice, goals and past work.
Integration: The Kit integration analyzes recent and high-performing newsletters to create custom prompts for drafting in the user's voice and suggesting subject lines, and can send finished writing to Kit.
API: Lex says it offers a simple developer API and links to its documentation.
AI privacy: Lex says it does not train AI models on customer content without explicit written permission and uses OpenAI, Anthropic and Together.ai vendors with policies against training on customer data.
Security: Lex says it encrypts web requests with TLS, restricts and logs database access, requires two-factor authentication for infrastructure access, and backs up its database continuously.
Support and refunds: Lex offers Pro members priority support by email and says customers who do not love Lex after a month can contact it for a refund.
Intended users: Lex says it is for writing that needs editing and revision, including academic papers, customer-facing copy, important emails and fiction.
Mobile access: Lex describes mobile web collaboration and says Pro includes access to its iOS app.

Where it ranks on The Geeks Club

Best AI Writing Tools in 2026#51 of 269
Best AI Writing Assistants in 2026#17 of 26

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Sources

lex.page· checked 5 Oct 2026
lex.page/read/a6392989-b65b-421d-ae53-1a48be8bea· checked 5 Oct 2026
lex.page/read/b48ff4f2-cc08-45f4-ab19-9b5e9cffc5· checked 5 Oct 2026
lex.page/read/f98a818a-c2af-4730-ad9f-ab76151a51· checked 5 Oct 2026
lex.page/about· checked 5 Oct 2026
lex.page/read/804b52ec-ba1d-4e05-9e81-0a568faa0a· checked 5 Oct 2026
lex.page/pricing· checked 5 Oct 2026