But there's already a way to open the camera app without unlocking your device or touching the screen -- and it works even if you're using an iPhone that's several years old.

News Future locked iPhones could open camera app automatically when held up to take a photo Malcolm Owen 18 Thu Jan 17 2019, 12:08 PM EST · 3 minute read ...

Open Camera is a great Pixel Camera alternative if you prefer free, open source software. Open Camera has features similar to the Pixel Camera app, such as timers, grids, panoramas, and geotagging.

The Open Camera app’s features are endless. Take a photo simply by saying “cheese” or using the timer, play around with the ISO, exposure, colors, different focuses, and more.

Several camera apps, like Open Camera for Android and Halide for iPhones, offer manual controls similar to those on traditional cameras. Adobe itself has some of those in its own camera app, built ...

2) Open Camera Screenshot: Open Camera Packed with features and yet never overwhelming or confusing, Open Camera is one of the best third-party camera options on the Android platform.