SAASINSPECTOR
Head-to-head · facts checked 15 Sept 2026

Grammarly vs Smodin

Smodin uniquely has 4 features.

Grammarly
#1 of 6 AI writing assistants
8.3
/ 10
From
$12/mo (Pro plan, billed annually)
Free plan
Yes
Smodin
#2 of 5 AI detectors and humanizers
7.2
/ 10
From
$10/mo (Starter, billed annually)
Free plan
No
The verdict

Grammarly or Smodin?

Section 01

Pricing, plan by plan

Every plan each vendor publishes, monthly and yearly where both are offered.

Grammarly

Free
$0/mo · $0/yr
Write without mistakes, see writing tone, 100 AI prompts/month
Pro
$30/mo · $144/yr
Full sentence rewrites, tone adjustment, plagiarism/AI detection, 2,000 AI prompts/month, 7-day free trial
Enterprise
Contact Sales
Unlimited members, dedicated support, BYOK encryption, data loss prevention, custom roles, unlimited AI prompts

Smodin

Free
Free
Limited access to core tools with usage caps
Starter
$12.99/mo · $120/yr
All AI tools included: AI Detector, Humanizer, Plagiarism Checker, AI Writer, AI Chat, Career Toolkit
Premium
$19.99/mo · $192/yr
Premium AI models, unlimited writing output, advanced humanization, extended AI chat memory, Chrome Extension, 24/7 priority support, bulk processing
Section 02

Pros and cons

From each tool's full review, written from the same checked facts.

Grammarly

Pros
  • Grammarly works across an impressive range of platforms including Chrome, Safari, Firefox, Edge, Windows, Mac, iOS, Android, Microsoft Word, and Google Docs.
  • The plagiarism checker is built directly into the editor rather than being a separate export tool, a useful workflow for academic and content marketing use.
  • Real-time grammar, spelling, and punctuation corrections remain reliable and are available even on the free plan.
  • The Pro plan at $12/month billed annually unlocks full sentence rewrites, tone suggestions, and style clarity options at a competitive price point.
  • Tone detection and brand voice features make it viable for enterprise teams managing content consistency across large organizations.
  • Grammarly says it works across more than 500,000 apps and websites, making it one of the most broadly compatible writing tools.
Cons
  • The free plan is significantly limited, though it does include tone detection and 100 AI prompts a month alongside basic grammar, spelling, and punctuation; most meaningful features still require a paid Pro subscription.
  • Grammarly is now owned by Superhuman, which adds uncertainty about the product's long-term direction.
  • Brand voice customization is heavily gated, with free users restricted to a single brand tone while unlimited options require an enterprise plan.
Full Grammarly review →

Smodin

Pros
  • Smodin bundles an AI essay writer, plagiarism checker, and AI humanizer into one subscription, eliminating the need for multiple separate tools.
  • The platform supports over 100 languages with depth that goes beyond the thin multilingual wrappers common in competing tools.
  • Native plagiarism checker is built in rather than relying on a third-party integration, keeping the workflow inside one platform.
  • The AI Grader feature allows users to evaluate their own content before submission, which is a genuinely unusual and useful differentiator.
  • A Chrome Extension brings the Smodin workspace directly into Google Docs for a more seamless writing experience.
  • The feature set spans long-form essays, short-form ad copy, paraphrasing, summarization, translation and auto citations.
Cons
  • The AI humanizer feature is described as having a short half-life, likely to become unreliable as AI detection tools continue to improve.
  • There is no WordPress integration, which is a meaningful gap for bloggers and content teams who publish directly to CMS platforms.
  • No Zapier integration limits workflow automation options for teams that rely on connected tools.
  • The feature list may be too long, raising concerns that the product spreads itself thin rather than excelling in any single area.
  • API access is restricted to the Premium plan, limiting flexibility for developers or teams on lower tiers.
Full Smodin review →

Side by side

Company
Founded20092021
HQSan Francisco, USALas Vegas, USA
AI modelProprietaryProprietary
User base40 million+1 Million+
PlatformsWeb, Windows, Mac, iOS, Android, Chrome, Safari, Firefox, Edge, MS Office, Google DocsWeb, Chrome Extension
LanguagesEnglish primary, with fluency support for non-native English speakers100+
Pricing
Pricing modelFreemiumFreemium
Free planYesNo
Free trialYes — 7-day free trial for ProNo — bills immediately, no trial
Starting price$12/mo (Pro plan, billed annually)$10/mo (Starter, billed annually)
EnterpriseCustom
Refund policyMoney-back guarantee if your text doesn't bypass AI detection
All plansFree — $0/mo Pro — $30/mo Enterprise — Contact SalesFree — Free Starter — $12.99/mo Premium — $19.99/mo
Positioning
Best forIndividuals, teams, and enterprises seeking AI-powered writing assistance, grammar checking, and tone improvementStudents, researchers, bloggers, and content teams needing AI writing, humanization, and plagiarism detection in one platform
DifferentiatorThe most widely adopted AI writing assistant, trusted by 40 million users and 50,000 organizations, offering real-time grammar, tone, plagiarism, and AI detection with enterprise-grade security and style guide enforcement.All-in-one platform combining AI humanizer, AI detector, plagiarism checker, and AI writer in a single workspace tailored for students and content teams
CompetitorsHemingway Editor, ProWritingAid, QuillBot, Jasper, Copy.ai, WriterQuillBot, GPTZero, Turnitin, Grammarly, Jasper, Copy.ai
Features
AI Copywriting
AI Research
Brand VoiceDeep — brand tones (1 on Free, unlimited on Enterprise), style guide, knowledge share, snippetsBasic
Bulk Generation
Content Editor
Grammar Style
Image Generation
Long Form Writing
Paraphrasing
Plagiarism CheckerBuilt-in — available on Pro and Enterprise plansBuilt-in
SEO Optimization
Short Form Writing
Templates
Integrations
API Access
Chrome Extension
CMS
Google Docs
Key IntegrationsGoogle Docs, Microsoft Office (Word), Chrome, Safari, Firefox, Edge, Windows desktop app, Mac desktop app, iPhone, iPad, Android, Zendesk (shown in marketing)Chrome Extension (Google Docs & browser), API access
Wordpress
Zapier
Section 03

Grammarly vs Smodin: common questions

Is Grammarly or Smodin cheaper?

Grammarly's cheapest paid plan is $12/mo (Pro plan, billed annually) and Smodin's is $10/mo (Starter, billed annually). Compare what each plan includes below before going on price alone.

Keep comparing