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Simple Memo vs RozVibe

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 RozVibe
DetailSimple Memo logo Simple Memo RozVibe
What it doesAI auto-tagging voice notes to email and Obsidian Private encrypted journal and mood tracking app for Android
StageStartup Startup
Founded2026 2026
Based inJP Not given
Pricing modelNot given Free
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. Not given
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
  • AES-256-GCM client-side encryption
  • Mood tracking with 5 emotional states
  • Rich-text journaling editor
  • Secure cloud sync
  • Calendar view with mood markers
  • Local mood analytics and insights
  • 4-digit PIN sanctuary lock
  • No data mining or profiling
  • PBKDF2 key derivation with 100,000 rounds
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
  • Technically private through client-side encryption, not just a privacy promise
  • Encryption key never leaves your device or reaches servers
  • All analytics computed locally on your device
  • Never used to train AI models
  • Built by a solo developer for honest personal reflection
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 checkNot checked yet no change since last check
Trust Flow (Majestic)190
Citation Flow (Majestic)300
Referring domains (Majestic)1562

5 details filled in for both companies.

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