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Grades.com vs ISBNLab

A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.

Grades.com compared with ISBNLab
DetailGrades.com logo Grades.com ISBNLab
What it doesReview monitoring, reply drafting and AI answer tracking built for AI assistants Book metadata database and API for searching, converting and using ISBN data
StageNot given Not given
FoundedNot given Not given
Based inUS US
Pricing modelNot given Freemium
PricingStarter: $29/month per location ($290/year); Pro: $149/month per business, first location included, +$75/month per extra location ($1,490/year, +$750/year per extra); Premium: $399/month per business, first location included, +$199/month per extra location ($3,990/year, +$1,990/year per extra). Disc Free: $0/mo with 1,000 Daily Calls; Standard: $5/mo with 5,000 Daily Calls; Pro: $15/mo with 15,000 Daily Calls. Custom plans available.
Key features
  • Monitor reviews across 54 review sites
  • Auto-replies with exception escalation
  • REST API with scoped keys and OAuth 2.1
  • MCP server for Claude, ChatGPT and Cursor
  • Signed webhooks for integrations
  • Public reviews API for your website
  • Review Radar and source discovery
  • AI Reputation tracking
  • Review removal report drafting
  • REST and GraphQL API
  • ISBN validation and conversion
  • Multiple response formats: JSON-LD, JSON and CSV
  • OpenAPI and Swagger documentation
  • Official client libraries for PHP, Python, TypeScript/JavaScript and Go
  • Catalog of 102.1M book editions
  • Groups every edition of a book together
  • Comprehensive book data: ISBN-10, ISBN-13, EAN, ASIN, title, authors, publishers
  • Author information including names, birth and death dates, biography and photos
What makes it different
  • Built for AI assistants with MCP server integration
  • All 54 review sites in one dashboard
  • On Premium, auto-replies with escalation of exceptions
  • Policy-aware drafting with policy checking
  • Healthcare privacy rules built in
  • One consistent schema for every book keyed by ISBN
  • Catalog of 102.1M book editions
  • ISBN validation and conversion for any valid ISBN, not just books in the catalog
  • Suitable for beginner, intermediate and advanced users
Community votes00
DR (Domain Rating by Ahrefs)Not checked yet no change since last check4 no change since last check
Trust Flow (Majestic)01
Citation Flow (Majestic)932
Referring domains (Majestic)36

5 details filled in for both companies.

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