Side-by-side comparison of two listed AI Writing tools — real listing data only, no paid placement.
On record, they differ in: platforms (Paperpal 1 official install link found vs Lex 1 — store/installer links only); unique tags (Paperpal 2: #academic #grammar vs Lex 2: #word-processor #drafts); category rank (Paperpal #12 vs Lex #24). Same pricing model (Freemium) and category (AI Writing). Listing facts only — not a recommendation.
Academic writing checker trained on millions of edited manuscripts
Paperpal reviews academic manuscripts for grammar, clarity and journal conventions. It offers language suggestions calibrated to scholarly writing, plagiarism checks and submission-readiness reports, with a free tier for basic editing.
Published 2026-08-06 · Links checked 2026-09-15
Minimalist word processor with an AI editor built in
Lex is a clean writing app where AI stays out of the way until asked: highlight a passage for feedback, ask for rewrites in comments, or run checks for readability and flow. Popular with essayists and newsletter authors.
Published 2026-08-06 · Links checked 2026-09-15
| Paperpal | Lex | |
|---|---|---|
| Pricing | Freemium | Freemium |
| Category | AI Writing | AI Writing |
| Rank in AI Writing | Position #12 of 55 | Position #24 of 55 |
| Alternatives listed | 8 → | 3 → |
| Shared tags | #editing | |
| Unique tags | #academic #grammar | #word-processor #drafts |
| Platforms | Chrome extension | Web app (installable) |
| Pricing page | Paperpal Pricing & Plans | Lex Pricing |
| Free trial | Mentioned on the official pricing page | Mentioned on the official pricing page |
| Company | Paperpal | Not detected on official site (checked 2026-09-17) |
| In their own words | Paperpal is a comprehensive AI academic writing tool and research assistant designed for researchers and students.…— official site (homepage description), checked | Write faster, clearer, and smarter with Lex—the AI-powered word processor designed for modern creators. Effortlessly generate content, refine ideas, and…— official site (homepage description), checked |
| Official channels | X (Twitter)InstagramFacebookdeclared on paperpal.com via schema.org sameAs | — |
| Official website | paperpal.com | lex.page |
| Site preview | ||
Rank = neutral rotation by listing ID, not a quality score · how it works
Only platforms with an official store or installer link are listed; others may exist.
Paperpal is Freemium; Lex is Freemium. Both are listed in AI Writing on ToolDock.
What they have in common: #editing
Paperpal is listed as freemium (free tier alongside paid plans); Lex is listed as freemium (free tier alongside paid plans). Pricing label set at listing time; official pricing page linked where verified — see each official website for current details.
Both are AI Writing tools listed on ToolDock, and they share the tag editing.
ToolDock keeps a tag-matched alternatives list for each: see Paperpal alternatives and Lex alternatives.