A deep question bank
405,121 questions across 1,643 certificates, organised by exam syllabus and domain and filterable by certificate, chapter and question type.
Our products
Two products,
running in production.
Both were designed, built and are operated by Dimension Yuantuo. Every module and every release is handled by the same team.
2products live
405,121exam questions
1,643professional certificates
8,065foods with nutrition data
PRODUCT 01
Tixiaohai
An online question bank for professional qualification exams. 52 domains and 1,643 certificates, with practice, mock exams and study analytics in one product.
Realistic mock exams
Timing, submission, scoring and answer explanations mirror the real exam, so you can rehearse the pace before the day.
Study analytics
Track volume, accuracy and weak topics. Every session tells you what to practise next.
Cross-device continuity
The same experience on web and mobile. Practise on the commute, continue on desktop — progress syncs automatically.
Kept up to date
Questions are maintained against the latest syllabus and older items are marked and replaced by the team.
Free to use
The core question bank is free, with no registration wall in the way of getting started.
PRODUCT 02
FreshTrack
Food logging and nutrition management. Photo recognition, barcode entry, nutrition trends and AI meal suggestions — about 15 seconds per meal.
Photo recognition
Take a photo and the food type and portion are estimated against 8,065 foods with nutrition data.
Barcode entry
Scan packaged food to bring in ingredients, calories and the nutrition table directly.
Nutrition trends
Calories, protein, carbs and fat visualised over time, with daily goal completion in plain sight.
AI meal suggestions
Suggestions for the next meal based on what you have eaten and your goals — not generic health advice.
Privacy first
Original photos are not retained, sensitive data is separately consented, and data is stored in-country with no ad targeting.
PWA experience
Runs in the browser and can be installed to the home screen for a near-native logging experience.
PRODUCT TEAM
Beyond products, we take on client work.
The team behind these products also delivers custom software, corporate websites and brand design. Same process, same quality standard.