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HARDER vs Diurnal

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

HARDER compared with Diurnal
DetailHARDER logo HARDERDiurnal logo Diurnal
What it doesChallenges with photo proof, pre-written steps and a built-in comeback A native Mac notepad where everything you write becomes a task, with automatic tidying
StageStartup Not given
Founded2026 Not given
Based inPL Not given
Pricing modelFreemium Not given
PricingFree plan includes 5 personal challenges per month, 5 private challenges per month, 1 public challenge per month, 1 public with approval challenge per month, and 1 extra space. Premium plan costs $7.99 per month (or annual pricing available) and includes unlimited personal, private, and public chall Not given
Key features
  • Pre-written daily steps for every challenge
  • Photo, text, or Apple Health proof verification
  • Automatic comeback system after missed days
  • 200+ ready-made challenges across multiple categories
  • Personal, private, or public challenge visibility
  • Offline functionality with sync
  • Space profiles and social community
  • Write tasks inline as natural paragraphs
  • No required dates for tasks
  • Automatic task archiving
  • Project management with deadlines
  • Google Calendar integration
  • Voice capture
  • Focus mode with Pomodoro timer
  • AI assistant integration via MCP
  • Offline sync across all Macs
  • Drag-and-drop task planning
What makes it different
  • Pre-written daily steps eliminate decision fatigue and executive function burden
  • Missing a day doesn't reset progress—you pick up where you stopped
  • Proof-based accountability that creates genuine evidence, not just checkboxes
  • Automatic health data verification eliminates manual proof entry
  • Join anytime without waiting for a challenge start date
  • Automatic tidying eliminates manual maintenance
  • No overdue piles or red tasks
  • Native Mac performance built for one platform
  • Works offline without syncing delays
  • Combines notepad freedom with task structure
Free planNot given Not given
Open sourceNot given Not given
PlatformsNot given Not given
Public APINot given Not given
Community votes00
DR (Domain Rating by Ahrefs)4 no change since last check7 +1 (up) since last check
Trust Flow (Majestic)03
Citation Flow (Majestic)024
Referring domains (Majestic)023

3 details filled in for both companies.

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