I find time limited trials useless. For user, it is inconvenient, because maybe the time is not enough to test complex software. For developers it&#x27;s bad because user can simply reinstall the software again when trial period is over.<p>In my apps, I limit the amount of data you can store in trial version. So, you can try it as much as you can. For example, if your software was an e-mail client, you could limit it to 30 messages in any folder (inbox, sent, trash).