I compared this launch monitor to my Garmin Approach R10 by having each launch monitor track about 20 shots and comparing data for each shot. I have attached three examples of the comparisons. The Garmin device has been proven to be quite accurate even when compared against $10-30,000 professional simulators so in my opinion, the Garmin provides a solid benchmark at what is still a relatively inexpensive golf monitor.
I am only giving this IZZO launch monitor 4-stars because of the price, if it were $100 more I would have to give it 3-stars. I found that club head speed is quite inaccurate for about half of shots but also generally a bit too high for every shot. Ball speed seems to be the most accurate reading with the IZZO monitor since it was almost always within 2MPH of the Garmin. Distance is generally "good enough" with the IZZO but only with well struck shots. If you top a ball a bit then the IZZO readings should be completely ignored.
Unfortunately, I failed to capture the comparison for a 'topped' ball but I will try to add that to my review later. One example that I recall specifically was a horribly struck ball (I am NOT a good golfer) that I severely topped. The Garmin said the ball went 40 yards which would seem to be pretty accurate but the IZZO monitor said the ball went 170 yards.
I assume this is because the IZZO doesn't actually track the ball but simply estimates distance based on ball speed, club speed, angle, loft, etc. This is also why the IZZO cannot give you even 25% of the data that the Garmin can such as spin rate, launch angle, deviation distance and angle, club face angle, club path angle and many more. All testing was performed in my backyard golf cage with the IZZO setup at the specified 5 feet from the ball and the Garmin setup at 8 feet from the ball. The cage is a fully enclosed 10 foot square cage.
For an inexpensive launch monitor, as long as you can live without more shot feedback and you generally strike the ball well, this IZZO monitor will be a good tool in your toolbox for very basic shot data. Keep in mind that relying solely on this monitor could 'trick' you into thinking that your shots are much better than they really are since it is unable to provide shot deviation, meaning, you could see that you are consistently hitting your 6-iron 180 yards but have no idea that most of them are ending up 50 yards to the right or the left.
I would recommend this monitor as a very basic monitor at a budget price but if you can afford a bit more expensive unit then I would fully recommend the Garmin R10 (currently $479) over this monitor for all of the reasons I have already mentioned.
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