Where is the ICEBlock App

Both Apple (iOS) and Google (Android) have removed those apps at the request of the Attorney General of the United States. You can no longer download them and if you already had them installed they were removed from your device.

It was removed from the App Store.

https://www.businessinsider.com/apple-iceblock-app-store-removed-2025-10

Here's a similar news article that is not behind a paywall.

NBC News – Apple removes ICEBlock app after criticism from Trump administration

"Google also removed similar apps from the app store for Android devices, although ICEBlock was never available on the Google Play store."