Castmagic vs Grammarly (2026) — Traffic, Pricing & Feature Comparison

Castmagic vs Grammarly (2026) — Traffic, Pricing & Feature Comparison | OpenAITools.app

Side-by-Side Telemetry & Specification Matrix

Verified 2026 monthly traffic volume, acquisition channels, pricing structure, and ecosystem footprint

Dimension / Metric	Castmagic	Grammarly
Official Domain	get.castmagic.io	grammarly.com
Pricing Model	Freemium, Free Trial, Paid	Freemium
Pricing Details	Freemium, Free Trial, Paid	Le forfait gratuit (0 $/mois) inclut les vérifications essentielles de grammaire et d'orthographe, la détection du ton et 100 prompts d'IA générative/mois ; Grammarly Pro coûte 12 $/membre/mois en facturation annuelle (144 $/an, ou 30 $/mois au mois) avec réécriture de phrases complètes, détection de plagiat/IA, guides de style d'équipe et 2 000 prompts IA/mois, tandis que l'offre Enterprise sur devis propose des prompts IA illimités et le chiffrement BYOK.
Monthly Web Visits	215.8K215,757 visits/mo	59.78M59,783,496 visits/mo
MoM Traffic Delta	-15.6K-15,649 visits delta	+10.50M10,499,113 visits delta
MoM Growth Velocity (%)	-6.8%	+21.3%
Primary Market & Share	🇺🇸 United States(41.9% share)	🇺🇸 United States(51.5% share)
Direct Visits / mo	87.3K(87,272)	26.56M(26,564,576)
Referral Visits / mo	4.7K(4,744)	3.79M(3,788,072)
Email Visits / mo	9.5K(9,457)	1.78M(1,781,113)
User Rating	5.0 / 5.0(97 reviews)	5.0 / 5.0(96 reviews)
Bookmarks	3 saves	74 saves
Supported Platforms	Website	Website
Chrome Extension Installs	—	—
Discord Community Members	—	—
Primary Categories	Outil de Résumé IA Générateur de Publications Réseaux Sociaux IA Transcription IA AI Podcast	Assistants d'Écriture IA Générateur de Texte IA Écriture IA AI Grammar Checker

Key Features, Pros & Limitations Side-by-Side

Castmagic

AI platform to transform audio into various content formats.

Grammarly

Assistant d'écriture IA multiplateforme offrant correction grammaticale en temps réel, ajustement du ton, suivi de paternité et guides de style d'équipe.

Core Capabilities (5)

Ubiquitous Inline Rewriting & Tone Calibration

Works natively inside Chrome, Safari, Firefox, Edge, Windows, Mac, Google Docs, MS Office, and mobile keyboards to flag grammar mistakes, rewrite tangled sentences, and shift tone toward confident, empathetic, or executive registers.

Specialized AI Agents (AI Grader, Citation Finder & Reader Reactions)

Deploys contextual AI agents that predict how a target audience will react to a draft, locate credible supporting citations, grade essays against rubric criteria, and generate drafts using up to 2,000 monthly prompts on Pro.

Grammarly Authorship, AI Detector & Plagiarism Checker

Scans text against billions of web pages and academic databases for accidental plagiarism, detects AI-generated passages, and logs transparent document provenance via Authorship reports in Google Docs and Word.

Team Style Guides, Brand Tones & Knowledge Share

Enables teams on Pro and Enterprise plans to codify company terminology, ban deprecated jargon, enforce inclusive language, insert shared Snippets, and surface internal company definitions inline.

Strengths & Pros

+Frictionless cross-platform integration works inside virtually every browser, desktop app, email client, and mobile OS without copy-pasting into a separate chatbot.
+Consolidating Premium and Business into Grammarly Pro ($12/member/month annual) gives individuals and small teams access to style guides, analytics, and plagiarism/AI detection in one plan.
+Grammarly Authorship provides a constructive, transparent audit trail for students and writers to demonstrate human writing integrity alongside responsible AI editing.
+Mature enterprise security posture featuring BYOK encryption, Data Loss Prevention, and granular application/domain blocklists.

Limitations

–Month-to-month billing on Grammarly Pro is steep at $30/member/month compared to the $12/member/month annual commitment ($144 billed upfront).
–Core writing intelligence and style rules remain primarily optimized for English dialects (US, UK, Canadian, Australian, Indian) rather than native multilingual grammar checking.
–Aggressive inline underlines and pop-up agent cards can feel visually intrusive in dense technical documents or code-heavy web editors unless muted per domain.

Frequently Asked Questions: Castmagic vs Grammarly

2026 Verified Telemetry FAQ

Which has more traffic, Castmagic or Grammarly?

Grammarly generates more monthly web traffic with 59.78M visits/mo (59,783,496) compared to Castmagic with 215.8K visits/mo (215,757), giving Grammarly 277.09x the monthly reach (59.57M additional visits). Across acquisition channels, Castmagic records 87.3K direct visits, 4.7K referral visits, and 9.5K email visits per month, while Grammarly records 26.56M direct visits, 3.79M referral visits, and 1.78M email visits per month.

Which is growing faster in 2026?

Grammarly is growing faster on a month-over-month velocity basis in 2026. Castmagic posted a MoM growth velocity of -6.8% with a monthly traffic delta of -15.6K visits (-15,649), whereas Grammarly posted a MoM growth velocity of +21.3% with a delta of +10.50M visits (10,499,113). Regionally, Castmagic's top market is United States (41.9% share) and Grammarly's top market is United States (51.5% share).

How does pricing compare between Castmagic and Grammarly?

Castmagic operates on a Freemium, Free Trial, Paid pricing model (supported on Website), while Grammarly operates on a Freemium model (Le forfait gratuit (0 $/mois) inclut les vérifications essentielles de grammaire et d'orthographe, la détection du ton et 100 prompts d'IA générative/mois ; Grammarly Pro coûte 12 $/membre/mois en facturation annuelle (144 $/an, ou 30 $/mois au mois) avec réécriture de phrases complètes, détection de plagiat/IA, guides de style d'équipe et 2 000 prompts IA/mois, tandis que l'offre Enterprise sur devis propose des prompts IA illimités et le chiffrement BYOK.). In user satisfaction and community adoption, Castmagic has 3 directory bookmarks and a 5.0/5.0 user rating, compared to 74 bookmarks and a 5.0/5.0 user rating for Grammarly.

What are the best alternatives to both Castmagic and Grammarly?

Based on category overlap and verified 2026 monthly traffic telemetry, the top alternatives to both Castmagic and Grammarly include ChatGPT (5.92B visits/mo, Freemium), DeepL (96.77M visits/mo, Freemium), Studocu Global (38.87M visits/mo, Freemium), AI Summarizer - 1 (37.71M visits/mo, Flexible), Quillbot Paraphraser (35.81M visits/mo, Freemium). Teams evaluating Castmagic vs Grammarly frequently benchmark these competitors for pricing flexibility, platform support, and workflow integration.