1. New Cost Optimization in Smart Optimize: using your entered ingredient prices, it automatically adjusts oil ratios to cut costs without lowering your recipe score — with Gentle, Balanced, and Aggressive intensity levels 2. Input & language polish: added a "Done" button to many input fields and fixed remaining text that still showed in Chinese in the English interface

1. New Smart Optimize: one-tap adjustment of oil ratios to improve your recipe score and characteristics 2. New water references: water as % of oils on the results page and lye concentration in settings — see water amount in multiple ways 3. New rancidity (DOS) risk assessment to help prevent soap spoilage

1. Faster app launch 2. Various internal fixes for better stability

[Major Update] Soap Calculator is now free! 1. Basic recipe calculation is free forever 2. New Pro is available as a one-time purchase to unlock all advanced features 3. Previous purchasers are automatically upgraded to Pro with lifetime access

1. Fixed known issues and refined UI details for better stability.

1. Fixed known issues and refined UI details for better stability.

1. Fixed known issues and refined UI details for better stability.

1. Added real-time evaluation functionality for calculation results 2. Fixed known issues and refined UI details for better stability.

1. Add cost calculation function & optimize recipe scoring function 2. Fixed known issues and refined UI details for better stability.

1. Fixed known issues and refined UI details for better stability.

1. A newly launched comprehensive formula evaluation function intelligently predicts the soap-making properties based on base oils and automatically calculates an overall score. 2. Fixed known issues and refined UI details for better stability.

1. Recipe sharing now supports both image and text formats 2. Fixed known issues and refined UI details for better stability

1. Supports weight scaling function for user recipes 2. Fixed known issues, improved stability, and refined the UI

1. Added language switcher in the settings 2. Added recipe image sharing feature 3. Fixed known issues, improved stability, and refined the UI

1. Added additive management for unified maintenance and editing in recipes 2. Added lye discount calculation for flexible safety discount settings 3. Added support for weight units: ounce (oz) / pound (lb) 4. Fixed known issues, improved stability, and refined the UI

1. Input mode optimization, enhanced shortcut input capabilities 2. Total weight display, added support for inputting saponified weight in recipes 3. Fixed known issues and improved app stability, UI optimization

1. Weight input mode optimization 2. Oil information enhancement 3. Fixed known issues and improved app stability

1. Optimized tutorial content display styles. 2. Fixed known issues and improved app stability.

1. Added classic recipe database with various classic recipes to choose from. 2. Added making tutorials, including basic knowledge, making process, advanced techniques, and common problems. 3. Fixed known issues and improved app stability

1. Add more oils, UI interface optimization 2. Fixed known issues and improved app stability

1. Optimize calculation result page, show alkali purity and water solution ratio 2. Fixed known issues and improved app stability

1. Added recipe favorites feature - saved recipes will now appear in the favorites list 2. Fixed known issues and improved app stability

1. Added oil pinning feature, oils will be pinned to the top of the list after favoriting 2. Fixed known issues and improved app stability

1. Percentage calculation mode now supports wheel selection and quick input 2. UI design optimization for more intuitive and user-friendly operation 3. Fixed known issues and improved app stability