Last night Box released an updated iOS app for their sync service. Whoever downloads and logs into his Box account in the next 29 days will get 50GB for free, for life. That is a very good deal compared to that only offers 2GB free or other services that have switched to a trial-only mode only.

Despite not being one of the fastest or less energy consuming apps for Mac, Box is a valid alternative to Dropbox. It is also potentially more secure, thanks to Box’s experience with enterprise customers. It remains to be seen if this business model is sustainable, although I believe that Box executives have done the math already.

You can download the new .