App profile & analytics · Utilities · Data updated 2026-10-10

Curtain Calc Pro

by 晓郭 · Free · Version 1.0

Availability On the App Store since May 2026 ↗

Curtain Calc Pro is made and published by 晓郭. AppBrain is an independent app data site and isn't affiliated with 晓郭. The app name, icon, screenshots and description belong to 晓郭 and are shown as published on the App Store.

About Curtain Calc Pro

Curtain Calc Pro is an utilities app developed by 晓郭.

What is the rating of Curtain Calc Pro?

Curtain Calc Pro has no ratings yet.

Is Curtain Calc Pro free?

Curtain Calc Pro is free. The app size is 691.00 kB. The latest version available is 1.0. The last update was on May 18, 2026.

What are the requirements for Curtain Calc Pro?

The app has a content rating of Everyone. The app has been available on the App Store since May 2026.

Description by 晓郭 (from the App Store)

Curtain Calc uses a geometric coverage model to calculate how effectively a curtain panel blocks light from a given window.

CALCULATION MODEL
The engine computes direct-cover area minus an edge-leak penalty. The penalty is derived from the difference between the curtain's actual overlap and the user's target overlap on both side edges and the top. The result is a dimensionless coverage ratio (0–1), displayed as a percentage.

INPUT PARAMETERS
• Window width & height (cm)
• Curtain panel width & height (cm)
• Desired side overlap (cm, each side)
• Desired top overlap (cm)

OUTPUT
• Coverage percentage with color-coded rating
• Recommendation: whether curtain width or height needs to increase

HISTORY & RE-USE
Calculations are persisted via UserDefaults. Each record can be named, browsed in a list, and reloaded into the calculator as a prefill.

LOCALIZATION
English and Simplified Chinese, runtime-switchable without restart.

PRIVACY
Zero network activity. Zero data collection. No third-party SDKs.

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More data about Curtain Calc Pro

Price	Free
Rating	No ratings
Ranking	Not ranked
Version	1.0
App size	691.0 KB
Suitable for	Everyone

Screenshots

Screenshots by 晓郭, from the the App Store listing

Official page on the App Store

Alternatives to Curtain Calc Pro

Changelog of Curtain Calc Pro

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Developer information for 晓郭

晓郭

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Technologies used by Curtain Calc Pro

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