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📖 The AI Tool Bible

Ask AI vs Rember

A side-by-side look at pricing, capabilities, pros, cons, and our editorial scores.

 
Ask AI
Writing
Rember
Writing
TaglineChatGPT on your wrist: a watchOS-only AI assistant from Sindre Sorhus with no subscription.AI flashcard generator that turns PDFs, videos, and chats into spaced-repetition decks.
CategoryWritingWriting
PricingPaid· One-time App Store purchase; no subscriptionFreemium· Free up to 30 AI notes/mo; Pro $8/mo for 1,000 notes
ModelGPT-4o miniMulti-model
Editorial score6.8 / 107.0 / 10
Use cases
quick-qatranslationwriting-helpmath-helpvoice-assistant
flashcard generationspaced repetitionstudy aidpdf-to-notesvideo-to-notes
Pros
  • One-time purchase, no recurring ChatGPT subscription
  • Native watchOS app with voice and keyboard input
  • Supports 30+ languages with automatic voice selection
  • Built by a well-known, reliable indie developer (Sindre Sorhus)
  • Eliminates the worst part of SRS: hand-authoring cards
  • Native MCP hooks into Claude and ChatGPT for inline capture
  • Modern FSRS scheduling, not legacy SM-2
  • Offline PWA with cross-device sync
  • Cheap Pro tier at $8/mo
Cons
  • watchOS only — no iOS, iPadOS, or macOS version
  • Uses GPT-4o mini, not a frontier model
  • No API, no open source, no web access
  • Limited to short Q&A use on a tiny screen
  • Anki sync is one-way only
  • Free tier capped at 30 AI notes per month
  • AI-generated cards still need human review for accuracy
  • Smaller ecosystem than Anki's plugin world
Websitesindresorhus.comrember.com
Pick Ask AI if
  • ✅ One-time purchase, no recurring ChatGPT subscription
  • ✅ Native watchOS app with voice and keyboard input
  • ✅ Supports 30+ languages with automatic voice selection
  • ✅ Built by a well-known, reliable indie developer (Sindre Sorhus)
Pick Rember if
  • ✅ Eliminates the worst part of SRS: hand-authoring cards
  • ✅ Native MCP hooks into Claude and ChatGPT for inline capture
  • ✅ Modern FSRS scheduling, not legacy SM-2
  • ✅ Offline PWA with cross-device sync
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