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Simple Memo vs HARDER

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

Simple Memo compared with HARDER
DetailSimple Memo logo Simple MemoHARDER logo HARDER
What it doesAI auto-tagging voice notes to email and Obsidian Challenges with photo proof, pre-written steps and a built-in comeback
StageStartup Startup
Founded2026 2026
Based inJP PL
Pricing modelNot given Freemium
PricingFree: up to 3 sends per day, no time limit. Premium Monthly: $2.99/month for unlimited sends. Premium Yearly: $29.99/year for unlimited sends. Free 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
Key features
  • 0.4-second launch time (warm start on iPhone 16e)
  • One-tap send to email
  • On-device voice input (iOS 16+)
  • AI auto-tagging with title, tags, and type
  • Offline Outbox with auto-resend
  • AES-GCM-256 encryption for stored data
  • Obsidian integration without plugin
  • Apple Watch support
  • Send history and resend capability
  • No account required
  • 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
What makes it different
  • On-device AI tagging that never leaves your iPhone
  • Memobodies not persistently stored on servers
  • Built as a direct Captio replacement with modern technology
  • Works offline with automatic retry when reconnected
  • 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
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)10 −5 (down) since last check4 no change since last check
Trust Flow (Majestic)190
Citation Flow (Majestic)300
Referring domains (Majestic)1560

7 details filled in for both companies.

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