Rayo (Zero by Rayo) records 0 monthly visits with -100% month-over-month growth and Contact for Pricing pricing. Scribbr records 7,530,803 monthly visits with +14.6% growth and Freemium pricing.
Always-on AI assistant that runs your work on schedule
Academic proofreading, plagiarism checking and AI-powered writing tools in one place
| Dimension / Metric | | |
|---|---|---|
| Official Domain | rayo.work | scribbr.com |
| Pricing Model | Contact for Pricing | Freemium |
| Monthly Visits | 0 (0) | 7.53M (7,530,803) |
| MoM Traffic Delta | -1.64K (-100%) | +957.01K (+14.6%) |
| Primary Market & Share | 🌐 Global (—) | 🇺🇸 United States (32.1%) |
| Direct Visits / mo | 0 | 2.47M |
| User Rating | 3.9 | 4.4 |
| Supported Platforms | Website | Website |
Always-on AI assistant that runs your work on schedule
Zero runs tasks on triggers and time schedules — for example, reading new leads every morning at 9am and emailing a summary.
The assistant chains actions such as reading an inbox, identifying leads, drafting an email, and sending it, rather than producing a single answer.
When an action is ambiguous, Zero pauses and asks before doing something irreversible, such as emailing a specific contact.
Rayo markets frictionless access to capable frontier models as part of the assistant's core value.
Academic proofreading, plagiarism checking and AI-powered writing tools in one place
A vetted academic editor reviews your paper within hours and returns tracked changes, comments and an explanation letter.
Scans your document against a large web and publication database to surface potentially unoriginal passages before submission.
Flags text likely generated by large language models and offers a rewriting mode aimed at making AI-assisted drafts sound more natural.
Creates and verifies references in APA, MLA, Chicago, AMA, IEEE and ACS styles from a URL, DOI or title search.
Delivers broader real-time grammar and tone correction across web apps, but lacks Scribbr's deep academic focus and citation formatting.
Delivers broader real-time grammar and tone correction across web apps, but lacks Scribbr's deep academic focus and citation formatting.
Provides robust paraphrasing and citation tools, but focuses less on comprehensive academic proofreading and human editing.
Provides robust paraphrasing and citation tools, but focuses less on comprehensive academic proofreading and human editing.
SpecialistAI content detection and a full writing toolkit in one place
SpecialistAI content detection and a full writing toolkit in one place
SpecialistFocuses specifically on AI content detection and writing verification for educators, but lacks academic editing and proofreading workflows.
SpecialistFocuses specifically on AI content detection and writing verification for educators, but lacks academic editing and proofreading workflows.
SpecialistAI grammar, spelling and style checker for 30+ languages
SpecialistAI grammar, spelling and style checker for 30+ languages
SpecialistProvides enterprise-grade AI detection and plagiarism checking, but does not offer human academic proofreading or citation generation.
SpecialistProvides enterprise-grade AI detection and plagiarism checking, but does not offer human academic proofreading or citation generation.
Offers specialized academic writing assistance and AI citation generation, but lacks Scribbr's human proofreading and formal editing services.
Offers specialized academic writing assistance and AI citation generation, but lacks Scribbr's human proofreading and formal editing services.
Free / Open-sourceAI agents that run recurring business work for your team
Free / Open-sourceAI agents that run recurring business work for your team
SpecialistExpress yourself with confidence — rewrite, proofread and summarize in one click
SpecialistExpress yourself with confidence — rewrite, proofread and summarize in one click
Assists with essay drafting and scholarly source generation, but lacks Scribbr's human-in-the-loop proofreading and dedicated citation tools.
Assists with essay drafting and scholarly source generation, but lacks Scribbr's human-in-the-loop proofreading and dedicated citation tools.
SpecialistCheck plagiarism, detect AI text and polish your writing in one place
SpecialistCheck plagiarism, detect AI text and polish your writing in one place
SpecialistSpecializes in academic and technical grammar correction, but lacks human proofreading services and full plagiarism suites.
SpecialistSpecializes in academic and technical grammar correction, but lacks human proofreading services and full plagiarism suites.
