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Simple Memo vs lum9a

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 lum9a
DetailSimple Memo logo Simple Memolum9a logo lum9a
What it doesAI auto-tagging voice notes to email and Obsidian The cutest to-do list, free forever
StageStartup Not given
Founded2026 Not given
Based inJP Not given
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: unlimited tasks and calendar sync, XP, levels, Glow and world building, streaks, daily gifts, focus sessions and reminders, sync across all devices. Plus Monthly: $1.99 per month, everything in Free plus no ads, Aurora and Halo outfits with new monthly outfit, more study sounds, 2 extra s
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
  • Canvas and Google Calendar sync
  • XP and leveling system
  • Pixel world building with Glow currency
  • 25-minute focus timer with sounds
  • Daily streaks and streak savers
  • Smart phone reminders
  • Friend sharing and world viewing
  • No password sign-in with email
  • Cross-device sync
  • Multiple world locations unlocked by leveling
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
  • Free forever with no credit card required
  • Makes homework engaging through pixel world gamification
  • Automatic Canvas assignment syncing
  • Integrates school and personal tasks in one place
  • Works on any device as a web app
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 check5 +4 (up) since last check
Trust Flow (Majestic)190
Citation Flow (Majestic)300
Referring domains (Majestic)1561

4 details filled in for both companies.

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