Cha Qi · 茶气
Tea session calculator
Free · Designed for iPad. Not verified for macOS.
Tea session calculator. Estimate cha qi, caffeine, sleep impact, and TCM nature. Built for gongfu drinkers. Works offline.
Cha Qi · 茶气 is a calculator and notebook for the gongfu cha drinker.
WHAT IT DOES
• Cha qi score on Lu Tong's Seven Bowls scale
• Caffeine and L-theanine estimate
• Sleep forecast — when you can fall asleep by 11pm
• TCM nature 性 of the brew: cool, neutral, warm, hot
• Qi profile: calm vs focus vs euphoria balance
• Goal-driven recommendation: what to brew for the state you want
SIX TABS
• Session: pick your tea, vessel, and grams — see the calculation
• Goal: set a state ("Bright focus", "Soft relaxation", "Deep dive", "Cha zui euphoria") and get a brew plan
• Timer: gongfu infusion timer
• Diary: log sessions, taste notes, mood
• A/B: compare two brews side by side
• Teas: library of 40 known varieties + your personal stash
PRIVACY
All your data — library, diary, notes — stays on your device. Nothing is uploaded.
LANGUAGES
Russian, English, Chinese (Simplified) with locale-aware tea names.
OFFLINE
Works without internet.
Ratings & Reviews
The developer, UMAR SEMENOV, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Not Linked to You
The following data may be collected but it is not linked to your identity:
- Usage Data
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- UMAR SEMENOV
- Size
- 4 MB
- Category
- Food & Drink
- Compatibility
Requires iOS 16.1 or later.
- iPhone
Requires iOS 16.1 or later. - iPad
Requires iPadOS 16.1 or later. - Mac
Requires macOS 13.0 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 1.0 or later.
- iPhone
- Languages
- English
- Age Rating
4+
- 4+
- Copyright
- © 2026 Alaniya LLC