Every lesson starts with something you already understand — then builds to the real idea, visualized and interactive. No prerequisites.
Free to download · iPhone · iOS 17+ · No login required
How it works
A consistent seven-step structure that takes you from what you already know to a technical idea you can explain to someone else.
An analogy from real life that mirrors the AI concept — no jargon yet.
Why the everyday version breaks down at scale — revealing the gap to fill.
The key bridging idea that connects the analogy to the real thing.
A custom illustration that makes the concept visible before you touch it.
An interactive visualization — drag, slide, and build to develop intuition.
The precise technical vocabulary, introduced after the intuition is built.
A transfer question in a completely new context to confirm you understand.
Curriculum
From the mathematics beneath every model to the ethics that should guide every deployment — LatentLens covers the full landscape of modern AI.
The math that powers every AI model — no degree required
How computers learn from examples without being programmed
Neural networks that see, hear, and create like humans do
How AI reads, writes, and understands human language
Real tools and techniques you can use and build today
Making AI fair, honest, and safe for everyone
The experience
Drag, slide, and build — not just read. Every lesson has an interactive visualization you control.
Gamification
Small daily sessions compound into deep understanding. LatentLens makes it easy to show up.
Keep a streak to build the habit. A short daily session is all it takes.
Earn experience points for every lesson completed. Track your progress as you level up.
Earn milestone badges — first lesson, pillar completions, quiz streaks, and more.
See every lesson you've completed and how you scored on the transfer question.
No account. No login. No data sent to any server. Your progress, streaks, and badges are stored entirely on your iPhone using Apple's secure on-device storage. Deleting the app removes everything permanently.
Read our Privacy Policy →Pricing
The first lesson of Foundations and the first lesson of Machine Learning are permanently free — no timer, no trial, no credit card.
Monthly and Annual subscriptions automatically renew unless cancelled at least 24 hours before the end of the current period. Manage subscriptions in your Apple ID account settings. All purchases processed securely by Apple. Terms · Privacy
Questions
No prerequisites at all. Every lesson starts from an everyday analogy — something you already understand from daily life. The maths and code come later, after the intuition is built, and they're always explained from first principles.
LatentLens is an iPhone app requiring iOS 17 or later. It is optimised for all modern iPhone sizes. An iPad version may follow in a future update.
Most lessons are 6–8 minutes. You can stop at any point and pick up exactly where you left off — the app saves your position within a lesson.
All three plans unlock identical content — all 39 lessons, all visualizations, all badges. Monthly ($1.99/month) and Annual ($7.99/year) are auto-renewing subscriptions you can cancel at any time. Lifetime ($9.99) is a one-time purchase with no recurring charge.
Go to Settings → [your name] → Subscriptions on your iPhone, select LatentLens Pro, and tap Cancel Subscription. Your Pro access continues until the end of the current paid period. All subscription management is handled by Apple.
Nothing leaves your device. All learning progress, streaks, badges, and settings are stored locally using Apple's on-device storage. There is no account, no login, and no server. Deleting the app removes all data permanently. See our Privacy Policy for full details.
Lesson content reflects established concepts in AI and ML as understood at the time of writing. AI is a fast-moving field — we update content with new app versions. All content is for educational purposes and should not be used as a sole technical reference for production decisions. See our Terms of Service.