Apps & Gadgets

My iPhone battery mysteriously drained 10% in 20 minutes

December 2, 2019

This morning, my iPhone suddenly got warm in my pants pocket. 20 minutes later, its battery had drained 10% in 20 minutes. What caused it?

Will wireless charging wear out your battery faster? Yes, if you use the WRONG charger

December 4, 2018

In March this year, this article at ZDNet suggested that wirelessly charging your iPhone 8/X will wear out its battery faster than charging with wires. Unfortunately, this article is technically incorrect. But how can this actual experience be explained?

Evernote vs OneNote—which suits the human brain better?

October 26, 2016

When it comes to note taking apps, there are basically two 800-pound gorillas in the market—Evernote and OneNote. Both of them follow diametrically opposed philosophies. But only one of them will work hand-in-glove with your brain. The other will grind against your brain and make you operate below your potential. So, which one is it?

This app can overcome the physical limits of iPhone camera

July 27, 2016

Your smartphone camera has physical limits on what it can do. But nowadays, a smartphone is also a very powerful computer. It can do something to enhance, augment and overcome the physical limits of its camera. There is a very innovative app that can do just that.