Type brokerage switch tracker app iOS Android into a search bar and you will get a mixed bag. Some are built by brokers, some by third parties, and they vary wildly in what they actually track. Here is how to sort them without downloading twelve apps.
First, do not pick a broker for its widget. Pick it for its fees. Then enjoy the widget. Broker-built trackers usually live inside the broker's own app, which means the new broker's app installed and your account application approved before tracking begins. Third-party trackers promise a unified view across both sides. In practice, the broker's own app has the freshest status, because it is the one submitting the ACATS request. The third party is reading the same status one step removed.
iOS versus Android? The differences are cosmetic: widgets, notification styles, Face ID versus fingerprint login. The tracking data underneath is identical.
What to demand from any switch tracker: stage-by-stage status with timestamps, an estimated completion window, and a clear flag when something needs your action. Rejections happen, usually over name mismatches or unsettled trades. A good tracker tells you why and what to fix. A bad one just says error.
Set expectations before you start. Most transfers take several business days. Cost basis can trail behind by weeks. Dividends paid mid-transfer can land in the old account and get swept later. None of this is broken. It is just plumbing.
An account transfer tracker app from the receiving broker is usually enough. You rarely need a separate download. And a brokerage account transfer service plus a good tracker beats a great tracker plus a bad broker every time. Moving everything to a cheaper broker? BrokerCompare's onboarding calls help you plan the switch without the paperwork mess. Start at brokercompare.fyi.