Fair pricing for every reader
Start free with 3 unit processings. Pay only for what you use, or go Pro for unlimited studying.
Explorer
No credit card required
Get Started Free- ✓ 3 free unit processings (one-time)
- ✓ 1 Pro long-depth preview
- ✓ 3 review sessions / day
- ✓ 5 AI chat messages / day
- ✓ Flashcards & SRS scheduling
- ✓ Audio summaries
- ✓ Stats & streak tracking
- ✓ Knowledge graph
- ✓ PDF export
- ✗ Priority processing
- ✗ BYOK mode
Deep Reader
$47.99/year (save 33%) • 7-day free trial
Start Free Trial- ✓ 15 unit processings / month
- ✓ Long-depth summaries
- ✓ Unlimited review sessions
- ✓ Unlimited AI chat
- ✓ Flashcards & SRS scheduling
- ✓ Audio summaries
- ✓ Stats & streak tracking
- ✓ Knowledge graph
- ✓ PDF export
- ✓ Priority processing queue
- ✓ BYOK mode (unlimited with your own API key)
Scholar Credits
Credits never expire
Buy Credits- ✓ 5 credits for $2.99 ($0.60/unit)
- ✓ 15 credits for $6.99 ($0.47/unit)
- ✓ 30 credits for $11.99 ($0.40/unit)
- ✓ 50 credits for $17.99 ($0.36/unit)
- ✓ Long-depth summaries
- ✓ Unlimited reviews for processed units
- ✓ 15 AI chat messages / day
- ✓ Knowledge graph
- ✓ PDF export
- ✗ Priority processing
- ✗ BYOK mode
🎯 Study Sprint
For exam crammers who need a burst, not a subscription.
Compare Plans
| Feature | Free | Credits (PAYG) | Pro |
|---|---|---|---|
| Book import & reader | ✅ | ✅ | ✅ |
| Unit AI processing | 3 (one-time) | Per credit | 15/month |
| Summary depth | Medium (1 Pro preview) | Long | Long |
| Review sessions | 3/day | Unlimited | Unlimited |
| RAG chat | 5 msg/day | 15 msg/day | Unlimited |
| Flashcards & SRS | ✅ | ✅ | ✅ |
| Audio summaries | ✅ | ✅ | ✅ |
| Stats & streaks | ✅ | ✅ | ✅ |
| Knowledge graph | ✅ | ✅ | ✅ |
| PDF export | ✅ | ✅ | ✅ |
| Priority processing | ❌ | ❌ | ✅ |
| BYOK mode | ❌ | ❌ | ✅ |
| Student discount | — | — | 50% off |
| Free trial | — | — | 7 days |
Frequently Asked Questions
A unit is a chapter or section of your textbook that gets AI-processed. When you process a unit, VaultMind generates summaries, challenges, flashcards, audio, and key terms for that content. One credit = one unit processed.
Never. Buy credits when you need them, use them whenever you want. We know book readers have irregular study patterns.
Bring Your Own Key. Plug in your own Gemini or OpenAI API key in Settings. All AI processing runs on your key instead of ours, giving you unlimited processing at no cost to us. Available on Pro only.
Yes. Cancel anytime through the App Store or Google Play. You'll keep access until the end of your billing period. All your previously processed content remains accessible.
All your previously processed units, summaries, flashcards, and audio remain fully accessible. You just won't be able to process new units beyond the free tier limits.
Yes! 50% off Pro with .edu email verification. Students pay $2.99/mo or $23.99/year. If you don't have a .edu email, contact us for manual verification.