Apps by Huaping Ye
Day Calculation app icon

Utilities

Day Calculation

Huaping Ye

Free download 4.35 · 6 storefronts · 23 ratings In-app purchases unconfirmed
Open on Apple

About this app

【Day Calculator】 1. Quickly calculate the difference between two dates. 2. Calculate End Date based on the given Period and Starting Date. 3. Allow free setting of [both days inclusive] and [exclude first day]

Latest release

What’s New

Version 1.4 Dec 8, 2018

layout and function improvement

Audience growth

Ratings growth

Steady
7-day gain +0
Ratings / day 0.0
30-day gain +0
US rating-count history
4 ratings
4 Aug 10, 2026 · 4 ratings Aug 10, 2026

Baseline captured. Growth appears after the crawler observes a changed rating count.

Momentum comes from crawler snapshots for the tracked storefront. “Viral growth signal” means unusually fast recent rating gains; it is an indicator, not download data.

Price tracking

Price intelligence

1 captured event
Current Free
Historical low Free
Paid → free
Price history
Current Free
Free Aug 10, 2026 · Free Aug 10, 2026

First snapshot captured. The trend line starts after the next crawler price observation.

  1. First observed Aug 10, 2026 · 6:24 AM Free

Screenshots

Day Calculation iPhone screenshotDay Calculation iPhone screenshotDay Calculation iPhone screenshotDay Calculation iPhone screenshotDay Calculation iPhone screenshot Day Calculation iPad screenshotDay Calculation iPad screenshotDay Calculation iPad screenshotDay Calculation iPad screenshot