Pricing
Simple pricing
Sona does not charge users for learning. Start free — upgrade only for the features with real ongoing infrastructure cost.
Free
$0 forever
Everything you need to study effectively.
-
Studying
- Up to 10 decks
- 50 cards per deck
- FSRS spaced repetition
- Unlimited Study sessions
- All 8 Quiz modes — Multiple choice, True/False, Mixed, Written, Listening, Audio choice, Sentence builder, and Match
- Browse mode
- Offline study
- Unlimited device sync
-
Creating
- Rich-text cards
- Images, audio, and video in cards
- CSV import and export
- Collection sharing and forking
- Discover public collections
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Speech & storage
- On-device text-to-speech
- 250 MB storage
Not included
- AI card generation
- AI input modes
- AI audio processing
- Model-quality text-to-speech
Pro
$4.99 /mo
Create faster and get more from your study material.
$49.99/yr · save 16%
Everything in Free, plus:
- Unlimited decks
- 120 cards per deck
- 10 AI generations per month Generate up to 50 cards at a time
- Generate cards from topics & text, PDFs, images, DOCX, PPTX, and audio
- 200 minutes of AI audio processing per month
- 30,000 model TTS characters per month
- 5 GB storage
Quiz modes: Multiple choice, True/False, Mixed, Written, Listening, Audio choice, Sentence builder, and Match.
Sona does not charge users for learning.
Core studying features — FSRS, every Quiz mode, Browse, offline access, and device sync — remain available on the Free plan, unlimited, forever.
Pro is focused on features that have meaningful ongoing infrastructure costs — AI generation, audio transcription and processing, model-generated speech, and additional media storage.
Downgrading never deletes or archives anything — reviews keep working everywhere, forever.