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ADP vs Knock: 2026 Comparison

ADP Knock
Overview One of the world's largest payroll and HR solutions providers offering services for businesses from small to enterprise. A notifications infrastructure platform for building in-app, email, SMS, and push notification workflows with a single API.
Pricing Subscription (Custom pricing) Freemium (Free-$250/month)
Key Features
  • Payroll processing
  • Tax filing
  • Benefits administration
  • Time tracking
  • Talent management
  • HR outsourcing
  • Compliance
  • Analytics
  • Multi-channel notifications
  • Preference management
  • In-app feed
  • Workflow builder
  • Batching
  • Throttling
  • Analytics
  • Templates
Pros
  • Industry leader
  • Scalable for any size
  • Comprehensive features
  • Strong compliance
  • Multi-channel support
  • Good developer experience
  • Preference management
  • Easy integration
Cons
  • Complex interface
  • Expensive
  • Customer support varies
  • Outdated UX in some areas
  • Newer platform
  • Can be expensive
  • Limited template editor
  • Smaller community