I purchased 1Password for Mac as well as 1Password 4 for iOS a couple months ago. I have been using it on my macs and iPhone 5 regularly and been quite happy with it.
I have an old iPad1 as well, and today tried to install 1Password on it. Unfortunately, 1Password 4 requires iOS 6. All posts I see about getting 1Password to run on a 1st generation iPad explain how to download it if you have purchased 1Password 3 in the past. I purchased v4 and there doesn't seem to be a way to purchase/download v3 now. What can I do to have access to my passwords on my iPad1?
Using long, randomly generated passwords becomes quite difficult if I cannot have 1Password installed on all my devices.