[1] The operating system is a fork of LineageOS and does not include Google Play Services, instead using MicroG as a free and open-source replacement.

In November 2022, the company announced it was releasing version 3.3 as "open source" with options for uninstalling default apps.

[8] Among these are app stores: F-Droid and Aurora Store,[9] MicroG, the Iodé browser, which is based on Firefox, Thunderbird as email client,[10] Magic Earth for maps, and the Iodé app (a tracking-prevention control center), and parental control.

[11] According to Stefan Mey of Heise.de and "Sunny" of tarnkappe.info, iodéOS includes hosts file based ad and tracker blocking.

[13] In a review of iodeOS in April 2023, pentester Mike Kuketz said "iodéOS has been relatively successful in reducing Google's data collection mania - but not completely."