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感谢支持, 如果使用中遇到什么问题或者建议可以联系我们.

This keyboard app simplifies typing chemical formulas and symbols for students, teachers, and professionals. It offers quick access to common elements and an optimized layout for efficient input, reducing the need to switch between keyboards.
1.1.0
October 3, 2026
1. Added a Periodic Table to the main app. 2. Improved the keyboard with an option to show or hide the built-in keyboard switch button.
$2.99
ChemKey Pro (Lifetime)
Unlock all premium features in ChemKey
感谢支持, 如果使用中遇到什么问题或者建议可以联系我们.
No, ChemKey does not contain advertisements. The app is free to download and use, with optional premium features available for purchase.
ChemKey is free to download and use. A premium version with smart completion is available as a one-time purchase after a 7-day free trial, offering lifetime access without subscriptions.
ChemKey is available for iPhone and iPad devices. It is designed to function seamlessly on these iOS platforms.
The latest version of ChemKey is 1.0.1, last updated on April 14, 2026. Updates are provided to enhance functionality and user experience.
ChemKey has an age rating of 4+, making it suitable for a wide range of users, including young students learning chemistry.
Yes, ChemKey functions as a keyboard, allowing you to input chemical formulas and symbols offline. Internet connectivity is not required for basic keyboard functionality.
The smart completion feature, available in the premium version, provides intelligent suggestions and auto-completes common chemical patterns. This helps save time and improve accuracy when typing complex formulas.
ChemKey is specifically designed for chemistry, offering quick access to symbols and an optimized layout for expressions. This eliminates the need to search for or copy-paste characters, making input significantly faster and more efficient than using a standard keyboard.