There's a subscription for 14,99€/month (https://subscribe.theguardian.com/p/DBQ80F?edition=int) then there's the premium app which is also called subscription (https://www.theguardian.com/info/2013/aug/12/1) for 2,49 or so and then there's the Support thing (https://membership.theguardian.com/eu/supporter) for 4,99€/month. Some of these seem to include the other options...but I'm not sure. So I've just always given up. In addition Guardian Weekly doesn't seem to have a digital only version?
I've really tried. And I've also tried contacting their support but instead of answering my question they've canceled my subscription to Guardian Weekly. That was when I've just given up.