This post is from a previous deal, but has been updated to reflect the new price!

If you're the corporate type and have had some issues with Android's default Exchange compatibility, then you've probably looked for a good alternative. Among the contenders is an app by NitroDesk called "Exchange By Touchdown," which allows for secure, encrypted Exchange synchronization.

You can only get this deal in the Amazon Appstore. It's still $19.99 in the Android Market!

Touchdown works with any Exchange Server that has ActiveSync enabled, all you have to do is enter your email login credentials. It offers encryption for email fields that may contain sensitive data, as well as calendar and contact entries.

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