彳亍
还行，用起来没问题，挺方便的（至少现在还是
Free
In-App Purchases
About
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.
✓Dedicated chemical keyboard
✓Quick access to chemical symbols
✓Optimized layout for expressions
✓Faster formula input
✓Smart completion (VIP feature)
✓One-time purchase for lifetime access
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What's New in ChemKey
1.0.1
April 14, 2026
Fixed a crash issue affecting the keyboard on iOS 26.4.
1
In-App Purchases
$2.99
ChemKey Pro (Lifetime)
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FAQ
Does ChemKey have ads?
No, ChemKey does not contain advertisements. The app is free to download and use, with optional premium features available for purchase.
What is the pricing for ChemKey?
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.
What devices does ChemKey support?
ChemKey is available for iPhone and iPad devices. It is designed to function seamlessly on these iOS platforms.
How often is ChemKey updated?
The latest version of ChemKey is 1.0.1, last updated on April 14, 2026. Updates are provided to enhance functionality and user experience.
What is the age rating for ChemKey?
ChemKey has an age rating of 4+, making it suitable for a wide range of users, including young students learning chemistry.
Can I use ChemKey offline?
Yes, ChemKey functions as a keyboard, allowing you to input chemical formulas and symbols offline. Internet connectivity is not required for basic keyboard functionality.
What makes ChemKey's smart completion feature useful?
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.
How does ChemKey compare to standard keyboards for chemistry?
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.
