Stop searching for chemical symbols. Start typing them instantly.
ChemKey is a dedicated keyboard designed for chemistry students, teachers, and professionals.
Easily input chemical symbols, formulas, and expressions — all in one place.
Features:
Built for Chemistry
Quick access to common chemical symbols
No more switching keyboards or copying characters
Optimized layout for chemical expressions
Faster Input:
Type formulas and elements efficiently
Reduce friction when writing chemistry content
Perfect for notes, homework, and research
Smart Completion (VIP)
Intelligent suggestions while typing
Auto-complete common chemical patterns
Save time and improve accuracy
Premium:
7-day free trial
No auto-renewal after trial ends
One-time purchase, lifetime access
No subscriptions
Who is it for?
Students learning chemistry
Teachers and educators
Researchers and professionals
Anyone who needs to type chemical formulas quickly
Why ChemKey?
We believe typing chemistry should be as simple as writing it.
ChemKey removes friction so you can focus on ideas, not input.
Support:
Have feedback or feature requests?
We’d love to hear from you.
What's new (v1.0.1)
Fixed a crash issue affecting the keyboard on iOS 26.4.