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Synapsi
Pricing · no trial wall, no locked features

Every feature, free. Pro just lifts the limit.

Three full study kits a month, forever, no credit card. Every tool included: mind map, quiz, Feynman test, spaced repetition, chat. Go Pro for unlimited, or pay per lecture with credits. Cancel anytime.

On web, iOS, iPad, Mac & Android. One subscription works on every device you sign in to.

Free
$0forever
3 full kits a month. No card, every feature.
  • 3 full study kits a month, no card
  • Every study tool: mind map, quiz, Feynman, chat
  • Up to 50 flashcards per kit
  • 25 MB uploads
  • Web + mobile
MOST POPULAR
Pro
$4/ mo$11.99/mo
Billed $48 a year. Save 67%.
  • Everything in Free
  • Unlimited lectures + notes
  • 50 MB uploads, full-depth kits
  • Unlimited flashcards & quiz
  • Priority email support
Lifetime
$199one-time
Pay once. Yours forever.
  • Everything in Pro
  • All future features
  • Founder badge
  • No subscription to manage
  • Refundable for 30 days
No subscription?

Buy lecture credits instead.

One credit processes one lecture: summary, mind map, flashcards, quiz, and Feynman test included. Credits never expire and work on the free tier.

10 lectures
$5.99
$0.60 / lecture
BEST VALUE
30 lectures
$14.99
$0.50 / lecture
100 lectures
$44.99
$0.45 / lecture

Compare features

FeatureFreePro
Notes per month3Unlimited
Upload size25 MB50 MB
Kit depth on long docsStandardFull detail
AI summary + transcript✓✓
Mind map✓✓
Flashcards & quizUp to 50 / kitUnlimited
Feynman test✓✓
Chat with your notes✓✓
Folder organization✓✓
Cross-device sync✓✓
Priority support✗✓
Pricing FAQ

Common questions about pricing.

Yes. Three full study kits every month, free forever, no credit card. Same features as Pro (mind map, quiz, Feynman test, spaced repetition, chat), just fewer kits per month. You only pay when you want more.

Start free. No card, every feature.