The best replacement for 810 is 8x.

The best alternatives to 810 are rated as following:
★★★★★  8x
★★★★★  800
★★★★★  510
★★★  820
★★★  htc 8x
★★★  521
★★★  800d
★★★  510 garmin
★★  2 410
★★  610
★★  phantom 820
★★  8ight
★  haf x
★  313
★  412
★  812
★  835
★  850
★  822
★  hs 850
★  800 garmin
★  martin hd 28
  600t
  8010
  814
  750d
  dn8
  martin d-28
  canon pixma mp990
  phantom 630
  820 lumia
  martin hd28
  epson 835
  stormtrooper
  mio 505
  bryton 50

Your alternative for 810 is not listed? Suggest!
Speaking about 810, one probably shouldn't forget about strava.

Other search terms related to 810 and their ratings are:
★★★★★ strava
★★★★★ airprint
You have in mind a companion for 810 and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of 810 in all years. Click on graph for more.
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