kChem Downloads & RevenuekChem - Chemistry Keyboard · App Store
Not in any tracked top chart right now.
Updated 9 Nov 2026 · rankings refresh through the day
Developer煦 张
CategoryUtilities
Price60.00 TWD
Released
Rating★ 5.0 (1)
Version1.5
Age rating4+
First seen by us
8 Oct 2026
Installs (est.)5k+ worldwide
kChem - Chemistry Keyboard update history & changes
Last change · 4 events since 16 Dec 2016Full timeline ↓Full timeline · 3 events in the last 12 months
- 📈kChem - Chemistry Keyboard dropped out of every chart we trackLast seen 7 Oct
- 🆕kChem - Chemistry Keyboard first spotted by AppInsider#51 in Top Paid · All Apps · Taiwan
- 🆕kChem - Chemistry Keyboard released on the App Store
Collected from the stores by AppInsider since we first spotted the app. Dates are when we saw each change.
Rating
5.0 ★
1 ratings
Measured
kChem - Chemistry Keyboard on the App Store
App details
App ID
1180018433
Publisher
煦 张
On the store since
Dec 2016
9 years on the store
Minimum OS
iOS 12.0+
iPhone 5s and later
Devices
iPhone · iPad
Universal purchase
Content rating
4+
Languages
2
EN ZH
Size
5 MB
Also listed in
Productivity
kChem - Chemistry Keyboard downloads
Worldwide, per day, and installs to date. The band is open; the exact number is free with an account.
How this is calculated
Apple publishes no download counts. App Store downloads come from chart positions and daily rating growth per country, calibrated on Google Play install counts; lifetime installs from ratings worldwide × installs per rating. Confidence is the chance the real number is within half to double ours.
Active users
All platforms, worldwide. Free with an account.
Stickiness (DAU / MAU)
how many monthly users open it on a given day
How this is calculated
Monthly users come from lifetime installs across every store, fitted on monthly active user figures companies publish; daily users = monthly × the typical daily/monthly ratio for the category. Confidence is the chance the real number is within half to double ours.
Where it ranks now
Every top chart it appears in across 30 countries.
| Country | Charts | Rank |
|---|---|---|
| Not charting right now. | ||
Ratings
App Store, worldwide.
Rating
5.0 ★
1 ratings
Measured
Ratings
1
Measured
About kChem - Chemistry Keyboard
The kChem is a Keyboard Extension, designed for the user who needs to enter chemical formula in word, PPT, notes and other text apps on iPhone or iPad.
For example :
8NH₃ + 3Cl₂ = 6NH₄Cl + N₂
3CO + Fe₂O₃ = 2Fe+3CO₂
Superscripts: ⁰ ¹ ² ³ ⁴ ⁵ ⁶ ⁷ ⁸ ⁹ ⁺ ⁻
Subscripts: ₁ ₂ ₃ ₄ ₅ ₆ ₇ ₈ ₉ ₀ ₊ ₋
This keyboard does not require network access.
Tips:
If you could not find kChem when tap globe key : Remove kChem in the system settings, re-add it.
----------
Easter Egg
This is not a keyboard , it's a tool which could help you to create a chemical equation image.
For example :
8NH₃ + 3Cl₂ = 6NH₄Cl + N₂
3CO + Fe₂O₃ = 2Fe+3CO₂
Superscripts: ⁰ ¹ ² ³ ⁴ ⁵ ⁶ ⁷ ⁸ ⁹ ⁺ ⁻
Subscripts: ₁ ₂ ₃ ₄ ₅ ₆ ₇ ₈ ₉ ₀ ₊ ₋
This keyboard does not require network access.
Tips:
If you could not find kChem when tap globe key : Remove kChem in the system settings, re-add it.
----------
Easter Egg
This is not a keyboard , it's a tool which could help you to create a chemical equation image.
Latest updates
1.5
- Support dark mode
- Add a Easter Egg (not a keyboard). The tool could help you to create a chemical equation image.