Neurako
Neurako's pitch is capturing study material from wherever it already exists — a photo, a recording, or typed notes — rather than making a user manually author every card, then using FSRS to schedule reviews more efficiently than fixed-interval spacing. The free plan's 25-credit monthly cap for AI card generation is tight for anyone studying multiple subjects at once.
Pros
- Builds cards from photos (OCR), audio, or text instead of manual entry only
- Uses FSRS, an openly documented spaced-repetition algorithm, with a personalizable optimizer on Pro
- Available across web, iOS, and Android
- Domain-specific card formats for languages, code, research, and medicine
Cons
- Free tier's 25 monthly AI credits run out fast for multi-subject study
- Run by a single named individual rather than a registered company, a thinner support structure than a team-run product
- No institutional or team pricing tier evident