We did a short review of SANDMARC filters back before my HTC 10’s battery decided to start undervolting and causing serious image issues. You can click here for a bit about what happened to the HTC 10 that’s produced most of Pocketables’ images.
In addition to the clip on filters we introduced, they now have wide lenses, fisheye lenses, and macro for your close up shots. These can be chip clipped (included with the lenses,) on most phones, or SANDMARC has an iPhone case that you can screw them into.
That said, you’re reading the writings of a colorblind photography major dropout so take that with a grain of salt ;)
You can check out their new offerings here, and I’ll see if I can locate a list of other non-iPhone devices they’re compatible with soon.