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Side-by-side features, use cases and pricing — because the right pick depends on your job and budget, not just the ranking.

Letterly logo
Letterly
✓ verifiedFreemium

Speech-to-text mobile app that turns dictation into clean messages, notes, emails, and transcripts in 90+ languages.

347K visits/mo
Personal AI logo
Personal AI
✓ verifiedPaid

AI memory platform with a remembering assistant, no-code persona builder, and memory API for teams that need stateful AI.

54K visits/mo4.0K saves
Pricing

No public pricing

No public pricing

Core features
  • Voice dictation converted to clean, formatted text
  • Works inside other apps (Gmail, Slack, Notion)
  • Meeting/lecture transcription with speaker separation and summaries
  • Support for 90+ languages with automatic detection
  • Long recordings up to 90 minutes
  • Cross-device sync and privacy (not used to train AI)
  • My AI: a personal assistant with persistent memory that learns your preferences
  • Persona Studio: design, configure, and deploy AI personas without code
  • Memory Core: unified context and memory service for self-improving AI
  • MODEL-4 on-network enterprise deployment
  • SOC 2 and HIPAA certified, GDPR compliant
  • TLS 1.2+ encryption in transit and AES-256 at rest
  • Developer API and documentation
Use cases
  • Dictate messages and emails instead of typing
  • Capture notes, journals, and ideas by voice
  • Transcribe and summarize meetings, lectures, and interviews
  • Using a personal AI assistant that remembers every conversation and evolves with you
  • Building and deploying AI personas for any vertical or business function without code
  • Adding persistent memory to AI applications via the Memory Core service
  • Deploying MODEL-4 on an enterprise's own network for private AI
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