If your account is restricted, there is no magic app to download; you must go through the official TikTok Support channels:

The app crashes or becomes unresponsive upon opening.

Switch between Wi-Fi and mobile data to see if a weak signal is the cause. How to Unfreeze a Suspended TikTok Account

If the app itself is stuck, follow these standard troubleshooting steps:

The term "frozen" usually refers to one of two distinct issues:

Ensure you have the latest version of TikTok from the Google Play Store or Apple App Store.

Your views suddenly drop to zero, or your account is restricted due to TikTok Community Guidelines violations. How to Fix a Technical App Freeze

Go to your device Settings > Apps > TikTok > Storage > Clear Cache .