The Living Forest Engine — Now Available

Grow Your
Vocabulary
Like a Forest

Seedling uses your brain's natural growth cycle — planting new words, nurturing them with intelligent quizzes, and harvesting mastery through the science of spaced repetition.

Start Growing — Free Try Live Demo
0 Words Planted Today
0 Languages Supported
0 % Retention Rate
Seedling Mascot
🌱 New word!
⭐ +10 XP
🔥 Day 7
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Available on
iOS
Android
Windows
Web
The Seedling Engine

Built on the science
of how brains actually learn

Every design decision in Seedling traces back to decades of cognitive science research — and wraps it in the most beautiful learning environment ever created.

Spaced Repetition System

Our modified SM-2 algorithm schedules every word for review at the precise moment before you'd forget it, turning short-term glimpses into permanent long-term memories.

New
Learning
Reviewing
Mastered

Active Recall Quizzes

Five unique quiz types — from root-matching to drag-and-drop — keep your brain actively retrieving words, not passively recognizing them.

🌳 Deep Root 🌸 Bloom or Wilt 🌱 Seed Sort 🔗 Root Network 🍃 Leaf Letter

Native Audio & TTS

Every word is spoken aloud in a native accent. Tap the speaker anytime. Our "Audio First" mode trains your ear before your eyes see a single letter.

Vocabulary Garden

Every word you master becomes a plant in your personal garden — visually growing from seedling to ancient oak as your mastery deepens.

Multiplayer Forest

Challenge friends to live vocabulary duels, collaborate in study circles, or compete on global leaderboards. Learning is always more fun together.

🥇 Carlos M. 3,847 pts
🥈 Yuki T. 3,210 pts
🌟 You 2,940 pts

Smart Course Paths

Choose from curated thematic courses — Travel, Business, Medical — or build your custom vocabulary forest from any domain you care about.

The Method

How the Living
Forest grows

01
🌱

Plant Your Seeds

Choose a language and topic. Seedling plants 3 foundation words for new learners — your starter forest. Each word is presented with pronunciation, definition, and an example sentence.

02
💧

Nourish Daily

Return each day for a 5-minute session. The engine serves exactly the right words at the right time — mixing SRS reviews with one fresh new word to keep growth sustainable.

03
🌳

Watch Mastery Bloom

Words evolve through 5 mastery levels: Seedling → Sprout → Sapling → Tree → Ancient Oak. Each level requires deeper recall challenges. Real knowledge, earned naturally.

04
🏆

Harvest & Share

Export vocabulary sets, challenge friends in live duels, and showcase your growing Forest to the world. Your garden is your proof of mastery.

Live Experience

Try a real
Seedling quiz — right here

This is the exact UI you'll use in the app. Tap the right root to grow your plant.

What does this mean?
Bonjour
French 🇫🇷
12 Languages

One word.
A world of meaning.

Watch the same concept bloom across the languages Seedling supports.

Hello
🇺🇸 English 🇫🇷 French 🇪🇸 Spanish 🇮🇹 Italian 🇩🇪 German 🇵🇹 Portuguese 🇯🇵 Japanese 🇰🇷 Korean 🇹🇷 Turkish 🇷🇺 Russian 🇨🇳 Chinese 🇸🇦 Arabic
App Preview

Beautiful on every screen.

The Living Forest aesthetic isn't just pretty — every visual element has a purpose. The deep canvas background reduces eye strain. The organic animations signal progress. The gold rewards trigger genuine dopamine hits.

  • Dark forest theme — easy on the eyes
  • Fully responsive across all devices
  • 60fps custom canvas animations
  • Haptic feedback on mobile
Download the App
Seedling App Screenshot
Community

The forest is growing.

0
🌱 Words Planted This Month
0
🌳 Ancient Oaks Achieved
0
🏆 Top Streak (days)
0
⭐ Average Rating
"The quiz animations alone made me want to keep going. It doesn't feel like studying — it feels like tending a garden."
— Yuki T., Japanese learner
"I tried Duolingo, Anki, Babbel. Nothing stuck. Seedling's SRS with those satisfying bloom animations finally made vocabulary click."
— Carlos M., Spanish → English
"The 'Ancient Oak' achievement for mastering 50 words was the most satisfying thing I've felt in a learning app. I cried a little."
— Priya S., English → Turkish
Growth Plans

Find your
natural pace

Every plan includes the core Seedling engine. Upgrade when your forest is ready to grow wilder.

🌱
Sprout
Free forever
  • Core SRS engine
  • 1 language
  • 3 quiz types
  • 500 words max
  • Daily streaks
  • Multiplayer
  • Advanced analytics
Download Free
Most Popular
🌲
Sapling
$7.99 / month
  • Everything in Sprout
  • All 12 languages
  • All 5 quiz types
  • Unlimited words
  • Multiplayer duels
  • Advanced analytics
  • Themed course packs
Start Growing
🌳
Ancient Oak
$59.99 lifetime
  • Everything in Sapling
  • Lifetime access
  • Priority support
  • Exclusive mascot skins
  • Beta feature access
  • All future languages
  • Founding member badge
Claim Lifetime
Questions

Frequently asked
by curious learners

Duolingo is gamified but shallow. Anki is powerful but ugly and sterile. Seedling is the first app that combines Anki-grade SRS science with a world-class, immersive visual experience and active recall quiz types that go far beyond multiple choice.

Seedling is designed for 5-10 minutes per day. Shorter, daily sessions are scientifically proven to beat marathon weekly sessions. The SRS engine ensures you never waste time reviewing words you already know perfectly.

Yes! With a Sapling or Ancient Oak plan, you can maintain active forests in multiple languages simultaneously. Each language has its own garden, streak, and mastery progress.

Yes. The full quiz engine works offline. Your progress syncs automatically when you reconnect. Perfect for travel, commutes, or forest hikes.

Every word progresses through 5 mastery levels: Seedling → Sprout → Sapling → Tree → Ancient Oak. Reaching Ancient Oak means the word is deeply embedded in your long-term memory — you've truly learned it, not just recognized it once.

Yes. If you're not satisfied within 30 days of any paid plan, we'll refund you in full — no questions. We're that confident in Seedling's impact.

🌱

Your first word is waiting.

Plant it today. Watch it grow. Return tomorrow.
That's all it takes to become fluent.

Start Growing — It's Free
No account needed • Available now • Forever free tier