In short - yes and no.
Exply On-Premise is available for free with up to 2 User - forever.
Exply for JIRA & Tempo Timesheets is free for 30 days, so that you have enough time to see if it fits your needs. You can download Exply for JIRA & Tempo at the Atlassian Marketplace.
Feel free to contact us, if you're needing any kind of support: firstname.lastname@example.org
You can find more details about the various plans Exply offers, by visiting the Pricing Details
Academic organisations receive a 50% discount on all available licenses.
As part of the Open Source Community (Neos CMS) ourselves, the Exply for JIRA add on is available free of charge for all Open Source Projects and Non-Profits.