Choose a topic
Type anything you want to understand—from pruning roses to conversational Japanese.
Private learning, built on device
Learn anything.
Privately.
Turn any topic into a focused learning path with on-device AI, thoughtful study cards, and spaced review that keeps you moving.
Coming soon to theApp Store
Launch offer: $4.99.
One purchase · no subscription.
A simple learning loop
From curiosity to a path you can actually follow.
Get a clear path
Lexidex organizes the subject into focused chapters and prepares your first study cards.
Study what matters
Flip, grade, and revisit cards with a review schedule shaped by what you remember.
Structure without the setup
A learning path that grows with you.
Start with one useful chapter, then move forward at your pace. Lexidex keeps subjects organized, remembers what’s due, and makes it easy to return without losing the thread.
Spaced review
Revisit cards when they’re ready—not all at once.
Manual control
Edit, add, or build every chapter and card yourself.
Study reminders
Optional notifications are scheduled locally.
Home widgets
Keep the next session and your streak in sight.
A focused study rhythm
Recall it. Rate it. Return when it matters.
Simple prompts keep attention on the idea in front of you, while your library keeps every path and due review easy to find.
Private by design
Your learning stays yours.
Your topics, cards, study history, and preferences live on your device. Lexidex doesn’t need an account, doesn’t run ads, and doesn’t send your learning to a Lexidex server.
Read the privacy policyOn-device generation
Apple Intelligence creates paths privately on compatible devices.
No account
Open the app and start learning. No profile or login required.
No analytics
No behavioral tracking, advertising SDKs, or personal data collection.
Local storage
Your library and progress remain in the app database on your device.
Simple pricing
One purchase. Keep learning.
Lexidex for iPhone & iPad
Launch price
$9.99
$4.99
One-time purchase · no subscription
- All current features
- Private AI generation
- Home Screen widgets
- Manual creation
AI-assisted generation requires a compatible device with Apple Intelligence enabled. Manual creation remains available without AI.
Questions
The useful details.
Does Lexidex require an account?
No. Lexidex has no account or sign-in system.
Can I use it without Apple Intelligence?
Yes. You can build learning paths, chapters, and study cards manually. AI-assisted generation requires a compatible device.
Does Lexidex sync between devices?
No. This version stores learning data locally and does not provide cloud backup or device-to-device sync.
What happens if I delete the app?
Deleting the app deletes the learning data stored in its local database.