
SpecialistCross-platform AI writing assistant delivering real-time grammar correction, tone alignment, authorship tracking, and team style guides.

Scribbr records 7,530,803 monthly visits with +14.6% month-over-month growth and Freemium pricing. Smart Assistant by Mailbutler records 47,200 monthly visits with -8.7% growth and Freemium, Free Trial, Paid pricing.

An AI email assistant that drafts, summarizes, and perfects your messages in place
| Dimension / Metric | ![]() | ![]() |
|---|---|---|
| Official Domain | scribbr.com | mailbutler.io |
| Pricing Model | Freemium | Freemium, Free Trial, Paid |
| Monthly Visits | 7.53M (7,530,803) | 47.2K (47,200) |
| MoM Traffic Delta |
|---|
| +957.01K (+14.6%) |
| -4.51K (-8.7%) |
| Primary Market & Share | 🇺🇸 United States (32.1%) | 🇺🇸 United States (26.9%) |
|---|
| Direct Visits / mo | 2.47M | 18.32K |
|---|
| User Rating | 4.4 | 4.5 |
|---|
| Supported Platforms | Website | Website |
|---|

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.

An AI email assistant that drafts, summarizes, and perfects your messages in place
Turn a handful of keywords or bullet points into a full, sendable email, and generate replies framed as positive, negative, or neutral depending on the situation.
Condense long email chains into the key points so you can catch up fast and respond without re-reading every message.
The assistant rewrites and corrects your message for grammar, spelling, and phrasing before you hit send.
Follow-up suggestions combined with open and click tracking tell you which threads are urgent, and the assistant can draft the follow-up for you.

SpecialistCross-platform AI writing assistant delivering real-time grammar correction, tone alignment, authorship tracking, and team style guides.

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
SpecialistFocuses specifically on AI content detection and writing verification for educators, but lacks academic editing and proofreading workflows.

The AI productivity suite with agents, email, and docs that work wherever you do

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.
Offers specialized academic writing assistance and AI citation generation, but lacks Scribbr's human proofreading and formal editing services.

Smart, focused email with AI help — for individuals and teams

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.

SpecialistA privacy-first email client with built-in AI writing help
SpecialistCross-platform AI writing assistant delivering real-time grammar correction, tone alignment, authorship tracking, and team style guides.
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
SpecialistFocuses specifically on AI content detection and writing verification for educators, but lacks academic editing and proofreading workflows.
The AI productivity suite with agents, email, and docs that work wherever you do
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.
Offers specialized academic writing assistance and AI citation generation, but lacks Scribbr's human proofreading and formal editing services.
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.