01
Understand a word
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What does “serendipity” mean?
DynaSaurus helps with
A clear meaning, pronunciation help and examples at your level.
How to use DynaSaurus
Type a word.
Ask a question.
Get meanings, translations, grammar help or IELTS speaking practice. Write naturally—DynaSaurus works out what you need.
5 free lookups a day. No account needed.
An example
You type
Fix: I very like coffee.
You get
I really like coffee.
“Very” cannot describe the verb “like”. Use “really” here.
What would you like help with?
Start with one of these requests, or write your own.
Try this in the app
02
Translate a phrase
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Translate 机会成本 into English.
DynaSaurus helps with
A translation with context and natural wording.
03
Improve a sentence
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Fix: I very like coffee.
DynaSaurus helps with
A corrected sentence, plus an explanation of what changed.
04
Practise IELTS speaking
Try typing
Give me a Part 2 cue about a journey.
DynaSaurus helps with
A speaking prompt and help planning or improving your answer.
Your first session, in three steps.
- 1
Open the app
Start in your browser. You can try it without signing up.
- 2
Set your language and level
Add your interests and goals for more relevant examples. You can change these details any time.
- 3
Ask, then keep practising
Type your question, or upload an audio file to turn speech into text. Ask follow-up questions whenever you need more help.
A little more detail
How your interests shape the examplesThree illustrative learner stories
🦕 DynaSaurus
carving🅁 Core Metaphor:
"Like your trucks biting concrete — but on snow, the edge bites the mountain."
🏀 Hobby threaded · Skateboarding
🎯 Kai, 19 — Chengdu
"I skate. But I'm watching snowboarding now."
Kai knows carving on concrete. But X-Games snowboard commentary hits different — same word, different world. DynaSaurus maps his skate vocabulary to snowboarding in seconds.
Chinese skaters say 卡边. Snowboarders say 压刃. DynaSaurus catches the cross-linguistic trap before Kai repeats it.
Hobby threaded Cross-linguistic🤿 Maya, 24 — Bali
"I dive with a tank. Now I want to dive without one."
Maya is PADI certified. Free diving is the next frontier. She hits mammalian dive reflex — a term that simply doesn't exist in scuba vocabulary. DynaSaurus gives her the bridge.
Indonesian selam covers both scuba and free dive — one word, two worlds. DynaSaurus threads the explanation through physics she already knows.
L1-aware Context mapped
🦕 DynaSaurus
mammalian dive reflex🅄 3C — Collocation:
"triggers the ~" · "activates the ~"
🤿 Context: scuba → free diving
🦕 DynaSaurus
intersectionality🅁 Core Metaphor:
"Like market segmentation — a person isn't just one identity."
📚 Gender Studies 101
📚 Alex, 21 — Marketing Major
"I know market segmentation. What's intersectionality?"
Alex takes a gender studies elective. Every reading hits intersectionality. Marketing textbooks never covered it. DynaSaurus anchors it to a concept Alex already owns.
Market segmentation: a consumer can't be reduced to one demographic. Intersectionality: a person can't be reduced to one identity category. The metaphor lands.
Core metaphor 🌈 Rainbow spectrumHow a word becomes usefulThe RUA method and supported levels
RUA: Your Learning Workflow
Every word goes through three stages. Every stage is about YOU.
R
Recognise
Meaning. Form. Pronunciation. A core metaphor in your native language that helps connect the word to what you already know.
U
Understand
Collocation. Contexts. Connotation. Every example sentence uses your hobby. Basketball. Diving. Marketing. Whatever you love.
A
Apply
Cross-linguistic mapping. Why your L1 makes this word tricky. Practice exercises. A thesaurus at your level — synonyms you can actually use.
4
AI Modules
11
Language Settings
6
CEFR Levels
A1→C2
L1-Graded Support
🌉
Cross-Culture
What is available—and what is plannedFuture features and the roadmap
🔮 What's Next
We're building the future of cross-culture communication.
🎥
AI Video Chat
Practice speaking with lifelike AI characters. Real-time feedback on pronunciation, fluency, and body language.
Coming Soon🎭
Licensed Character Tutors
An exploratory concept that would depend on appropriate licensing agreements before release.
Future🔮
AI Conversation Rooms
Group practice with multiple AI peers. Simulate real conversations, debates, and role-play scenarios.
Coming Soon🗺️ Roadmap
v1 · Dictionary + Translator + Grammar + IELTS Coach
4 AI modules. RUA-powered. Hobby-threaded. Cross-linguistic.
v2 · Cross-Culture Bridge · 11 Languages · Dark/Light Mode
Smart Translator fused with cross-culture pipeline. Target language output. Gen-Z onboarding.
v3 · Audio Upload · Synced History
Audio-file transcription and signed-in history sync across devices.
Planned · Paid Checkout · AI Video Chat · Conversation Rooms
Roadmap concepts, not currently available product capabilities.
Free access and planned paid tiersCurrent limits, prices and feature lists
💎 Plans
Free is available now. Paid tiers and checkout are coming soon; planned features may change before launch.
Free
¥0
Forever
- 5 lookups/day
- All 4 modules
- Basic definitions
- One language pair
- History sync
- Audio upload
Basic
¥29 /mo
Most popular
- Unlimited lookups
- All 4 modules
- Full history
- B1+ Thesaurus
- Cloud sync
- Audio upload
Premium
¥49 /mo
Power user
- Everything in Basic
- Word audio playback
- Audio upload
- Priority support
- Cloud sync
- Paid checkout coming soon
Ultimate
¥79 /mo
All access
- Everything in Premium
- Early access features
- Cloud sync
- Priority support
- Audio upload
- Feature package being finalized
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