Over the last few years, Robinhood has been one of the most popular apps for trading stocks, funds and options right from your iPhone. While it is mostly associated with the stock market, it has branched out to include some cryptocurrencies as well. With Bitcoin (BTC) recently reaching all-time highs, cryptocurrencies and blockchain are once again on people's minds and demand is high. If you want to own some Bitcoin and you have a Robinhood account, buying it is simple.

Playing music with Siri using your favorite streaming service just got easier. Instead of having to specify which service to use with each request, Siri can be preset to use any supported audio subscription by default. The days of ending song requests with "on Spotify" or "on Pandora" are now over. Siri can use services other than Apple Music without any extra direction.

Apple Watch owners have a new option to easily unlock their iPhones when wearing a face mask. The global pandemic has made it more difficult to unlock iPhones using Face ID, given that the TrueDepth camera looks to match an entire face. With the mouth and nose covered, this process mostly ends up with the user entering a passcode. Some have tried to train their iPhones to recognize a mask, but there is a more secure way.

People with implanted pacemakers and defibrillators are being warned to keep MagSafe iPhones and accessories away from their medical devices. Cardiologists at the Henry Ford Heart and Vascular Institute have tested the effect of an iPhone 12 Pro passing over the chest of a patient. Reporting on the results, Dr. Gurjit Singh explained that the patient's defibrillator was temporarily deactivated by the MagSafe magnet inside the iPhone.

Some of the latest features on iOS make it possible to directly monitor headphone sound levels and even categorize different Bluetooth devices paired with your iPhone or iPad. Yet another feature provides customized headphone audio for listeners, optimizing specific frequencies or boosting soft sounds to enhance hearing.