ICEBlock, the most widely used of the ICE-tracking apps in Apple’s app store, is among the apps that have been taken down. Bondi said her office reached out to Apple on Thursday “demanding that they remove ICEBlock” and claiming that it “is designed to put ICE agents at risk just for doing their jobs.”

Another lesson in why the open web is always the better alternative to native apps trapped in closed ecosystems.

StopICE looks like one of the best web apps to me. DryICE looks promising too, although it requires signing in with Apple, Google, or email.