A dry, woody "tock" that provides vital haptic-like feedback when typing on a glass screen.
Sites like Zapsplat or Freesound often host community-recorded versions of UI sounds for creators.
The shimmering, synth-heavy ringtone that has been the default since iOS 7. It’s designed to be heard easily in noisy environments without being abrasive.
While these sounds are ubiquitous, they are the intellectual property of Apple Inc. If you are downloading them to use as a personal ringtone on an Android device, you’re usually in the clear. However, if you are a filmmaker or app developer, using the exact "Tri-Tone" or "Keyboard Click" in your commercial product can lead to copyright issues.
If you are looking to download these for your own use, you don't necessarily need to pay for them, but you should look for high-quality formats (MP3 or M4R for ringtones).