Coffee Codex: Coffee Journal

Xablau Studios

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About this app

Coffee Codex: Technical Manual & Extraction Journal

Log your coffees, water and equipment. Build detailed recipes and follow every step with the brewtimer. Note what went differently from the plan, see what improved, what didn't work and what's worth repeating. Down to your water's pH.

The secret book of the barista and the specialty coffee enthusiast. Centralizes data, assists extractions in real time and delivers sensory analysis across interconnected modules:

☕ 1. DETAILED COFFEE LOGGING
Keep a complete catalog of every coffee you consume.
🫘 Origin: country, region, farm, producer and altitude.
🫘 Technical Sheet: botanical variety, processing method and SCA score.
🫘 Roast Management: roaster brand, roast date and level, opening and expiry dates.
🫘 Sensory Profile: the flavor wheel identifies aromatic notes, sweetness, acidity and body.

💧 2. WATER CHEMISTRY CONTROL
Water is the technical solvent of your extractions.
🔬 Chemical Composition: log pH, TDS (ppm), Hardness (ppm), Alkalinity and Sodium content.
🔬 Source Management: register different waters, minerals or custom recipes.
🔬 Volume Monitoring: track your available water stock and cost per liter.

⚙️ 3. EQUIPMENT & GRINDER INVENTORY
Organize your setup and know the specs of every tool.
🔩 Catalog: log brand, model, material, capacity and price of brew methods, kettles, scales and accessories.
🔩 Grinder Calibration: save your grinder's specs and the click ranges used for each method.

📋 4. RECIPE CREATION & EXPLORATION
Build precise brew guides or follow external references:
✏️ Recipe Parameters: define the coffee, method, water profile, grinder and click setting.
✏️ Technical Calculations: set coffee dose (g), water volume (ml) and ratio.
✏️ Step-by-Step Detail: create brew steps with time in seconds and a specific action.
✏️ External Library: explore recipes from world champions, specialists and community members.

⏱️ 5. BREWTIMER: STEP-BY-STEP EXECUTION
Brew recipes with stopwatch precision:
▶️ Brew Interface: the timer guides you second by second through each step of the recipe.
▶️ Visual Cues: know exactly when to start and stop each pour.
▶️ Dynamic Adjustment: skip steps or adjust the flow as the brew unfolds.

📝 6. BREWLOG & DEVIATION ANALYSIS
The record of what actually happened during the brew:
🔍 Planned vs. Actual: the app logs the real extraction time and lets you compare it to the recipe plan.
🔍 Execution Notes: log temperature variations, grind click changes or timing adjustments.
🔍 Perceived Sensory Analysis: rate the cup at the end — what worked and what needs improvement. The app saves these insights for the next brew of the same coffee.

📊 7. EVOLUTION JOURNAL & STATISTICS
Review your history to understand your palate's progress.
📈 Full History: access all previous logs with filters by date, rating or method.
📈 Consumption Stats: see which methods and coffees you use most and your average rating per category.
📈 Achievements & Milestones: track your journey through achievements that mark your technical evolution.

💎 8. BARISTA MODE: UNLIMITED POTENTIAL & PRO TOOLS
Unlock the complete analysis arsenal.
⭐ Unlimited Creation: save as many coffees, methods, grinders and water profiles as you want.
⭐ Unlimited History: access all your extractions.
⭐ A/B Comparison: find out which adjustment made the best cup.
⭐ Inventory Management: control your coffee and water stock.
⭐ Backup & Sync: your data protected in the cloud.
⭐ Ad-Free: full focus on your coffee.

🔒 PRIVACY
You can choose to keep your ratings and secret recipes stored locally on your device.

Coffee Codex is built to turn the subjectivity of taste into actionable data. Download now and take full control of your coffee.

What’s new

☕ New champion recipe: WBrC 2026 "Resistance" by Nas Jaffar.
✅ Clearer confirmation when saving equipment.
🔄 Improved cloud sync.
🐛 Stability fixes and minor tweaks.