As a health anxiety sufferer I really think the things that have helped me the most are therapy and an SSRI. And finding a primary care physician that I trust. Those can be hard things to sell someone with health anxiety. I am touched almost to tears by your (and other posts) from partners trying to be supportive. For me with therapy in particular, I do a variation of CBT that is trauma oriented. I have found a strong connection between childhood trauma (experiences of neglect, domestic violence, emotional abuse) that made me feel that I can’t protect myself adequately. As a defense mechanism, I developed a lot of behaviors that are best described as hyper vigilance. This is an effort to protect the wounded child in me who fears that I can’t let my guard down or terrible things will happen. Maybe that would resonate with your partner. Don’t neglect to take care of yourself. It’s very stressful being with someone who has health anxiety. It can be a very limiting disease and can massively impact your quality of life as a couple. You are NOT your partner’s care taker, at least not to the extent that it is negatively impacting your well-being. Ultimately the person who needs to do the work is the person with the untreated anxiety disorder. I’m sorry that you’re going through this and I hope you both find answers and some peace. More on reddit.com

There’s also insight timer. Tons of free guided meditation, meditation timer for your own sessions, groups, livestreams with meditation teachers, groups etc.

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Thank you so much for doing this, I’ll download MyPossibleSelf, CBT Companion and FitMind now! :) I have an app that’s called “Gratitude” which help me staying mindful and grateful. I don’t use it regularly, but it sends reminders each day to be grateful in different ways. It forces my mind to set that focus, even when it’s not been a very good day. More on reddit.com

I'm building one right now and am looking for more testers! Let me know if you'd be interested More on reddit.com