Licensed under the AGPLv3: http://www.gnu.org/licenses/agpl-3.0.html

Additional Permissions For Submission to Apple App Store: Provided that you are
otherwise in compliance with the AGPLv3 for each covered work you convey, also
grants you the additional permission to convey through the Apple App Store
non-source executable versions of the Program as incorporated into each
applicable covered work as Executable Versions only under the Mozilla Public
License version 2.0 (https://www.mozilla.org/en-US/MPL/2.0/).