| System | Directory for finding applications | 1 or 2-click application installation | Automatic updates |
|---|---|---|---|
| iPhone | App Store | "Buy Now" | iTunes/App Store |
| Ubuntu | Synaptic/Software Centre | apt-url | apt |
| OS X | MacUpdate/iUseThis | Download an internet-enabled disk image, move the app to /Applications. | AppFresh/Sparkle |
| Windows | Web | Download an installer, run it. | Application-specific |
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Given I use Windows only for games, the windows line looks a bit different:
Windows: Steam | Steam | Steam