Jian Li

Map Surveyor

The most concise operation, the most professional map measurement tools. Route distance, area, perimeter? There is no problem. Anchor...

By Jian Li | Added September 17, 2017

RGBConv

Color Space Converter Tool.Function List:RGBa->HEX;RGBa->CMYK;RGBa->HSV;RGBa->HSL;RGBa->XYZ;RGBa->RGB;Show all of RGBa value of UIColor.You...

By Jian Li | Added June 18, 2016

Time Slow

Someone asked, Is the people flying on the plane younger than the people on the earth? Actually, this is a classic problem in Einstein's...

By Jian Li | Added May 5, 2016

The Golden Age - Audio Book in CHINESE

The Golden Age, Novel, Audiobook in Chinese.Author: Wang Xiao-Bo.Wang Xiaobo, born May 13, 1952, once served as a worker, a college...

By Jian Li | Added April 13, 2016

Blood Type Prediction

The most well-known and medically important blood types are in the ABO group. They were discovered in 1900 and 1901 at the University...

By Jian Li | Added February 24, 2016

Read It - TTS tool, Text to Speech

Simple Text-to-Speech (TTS) tool, support 37 international languages.Speed and pitch can be adjusted.Speaking progress tracking supported.[Instructions]First,...

By Jian Li | Added January 20, 2016

Gauss Projector - Gauss-Kruger Projection

The Gauss-Krger coordinate system is implemented as a generalized Transverse Mercator projection. This projection is similar to the...

By Jian Li | Added January 5, 2016

Clinometer - Tiltmeter

A slope (or tilt) angle measure tool with remind function, simple and easy to use.The Clinometer/Inclinometer is an App for measuring...

By Jian Li | Added August 13, 2015

Rolling Ruler - Measure Length Easily

Rolling Ruler allows you to measure horizontal distances by flipping your device simply with surprising accuracy. Features1. Simple:...

By Jian Li | Added July 30, 2015

EarthQuakes - from USGS

Native App to monitor the earthquakes using a feed hosted by the USGS.NO Ads, NO IAP, NO background refresh, NO function limitation.A...

By Jian Li | Added June 19, 2015