E-TRADE Mobile Pro for iPhone (free stock trading app)

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Screenshot courtesy of E*Trade

E*TRADE introduced their free BlackBerry trading app a while back. It is now joined by a free version for the iPhone…

E*TRADE Mobile Pro 1.0 (iTunes App Store)

The app requires, as you might expect, an E*Trade account and lets you manage your investments in that account from your iPhone. It provides real-time quotes with charts, financial market news, stock/options trading and cash transfers between E*Trade and another institution (presumably with prior authorization in place).

It has an impressive 4 star (out of 5) rating based on 1044 ratings.

E*TRADE Mobile Pro for iPhone (product page)