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Head-to-head · facts checked 15 Sept 2026

QuillBot vs Smodin

Smodin uniquely has 4 features.

QuillBot
#2 of 7 AI writing assistants
7.3
/ 10
From
$19.95/mo (Premium, monthly billing; $8.33/mo 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

QuillBot or Smodin?

Section 01

Pricing, plan by plan

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

QuillBot

Premium
— · $99.96/yr
Teams
Custom

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

For everything else about each tool, read the full QuillBot review and Smodin review.

Side by side

Company
Founded20172021
HQChicago, USALas Vegas, USA
AI modelProprietaryProprietary
User base35M+1 Million+
PlatformsWeb, iOS, Android, Chrome, Edge, Safari, macOS, Windows, Microsoft WordWeb, Chrome Extension
Languages40+100+
Pricing
Pricing modelFreemiumFreemium
Free planYesNo
Free trial—No — bills immediately, no trial
Starting price$19.95/mo (Premium, monthly billing; $8.33/mo billed annually)$10/mo (Starter, billed annually)
Refund policy3-day money-back guarantee (known from training knowledge)Money-back guarantee if your text doesn't bypass AI detection
All plansPremium Teams — CustomFree — Free Starter — $12.99/mo Premium — $19.99/mo
Positioning
Best forStudents, academics, professionals, and content creators needing paraphrasing, grammar checking, and AI writing assistanceStudents, researchers, bloggers, and content teams needing AI writing, humanization, and plagiarism detection in one platform
DifferentiatorAll-in-one AI writing suite combining paraphrasing, grammar checking, plagiarism detection, AI humanizing, image generation, PDF tools, and citation generation in a single platform used by 35M+ writers across 180+ countries.All-in-one platform combining AI humanizer, AI detector, plagiarism checker, and AI writer in a single workspace tailored for students and content teams
CompetitorsGrammarly, Wordtune, Jasper, Copy.ai, WritesonicQuillBot, GPTZero, Turnitin, Grammarly, Jasper, Copy.ai
Features
AI Copywriting✓✓
AI Research✓✓
Brand VoiceBasic — AI Humanizer helps text sound natural and like the userBasic
Bulk Generation—✓
Content Editor✓✓
Grammar Style✓✓
Image GenerationBuilt-in — AI Image Generator and AI Image Editor includedNo
Long Form Writing✓✓
Paraphrasing✓✓
Plagiarism CheckerBuilt-inBuilt-in
SEO Optimization✕✓
Short Form Writing✓✓
Templates✓✓
Integrations
API Access—✓
Chrome Extension✓✓
CMS✕✕
Google Docs✕✓
Key IntegrationsChrome extension, Edge extension, Safari extension, Microsoft Word add-in, iOS app, Android app, macOS app, Windows appChrome Extension (Google Docs & browser), API access
Wordpress✕✕
Zapier—✕
Section 02

QuillBot vs Smodin: common questions

Is QuillBot or Smodin cheaper?

QuillBot's cheapest paid plan is $19.95/mo (Premium, monthly billing; $8.33/mo billed annually) and Smodin's is $10/mo (Starter, billed annually). Compare what each plan includes below before going on price alone.

Keep comparing