You can, but you can only sign and install a maximum of 3 apps total - Altstore + 2 others. If you have a developer account (at the cost of $99.00 per year) you

You can, but you can only sign and install a maximum of 3 apps total - Altstore + 2 others. If you have a developer account (at the cost of $99.00 per year) you can sign and install an unlimited number.