Zepp Tennis Sensor Customer feedback

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Please include any relevant information such as skill level and style of play.

Comments: Zepp has the worst customer service. No phone support, only email. I've owned one for about 5 months, used it about three times now and it won't turn on. They run you around with emails for multiple days asking the same question over and over. Tape your $100.00 on the bottom of your racquet and toss it in the garbage that's what this thing is worth.
From: Barry, 7/16

Comments: I am a 3.5 level recreational player. I've had the Zepp tennis sensor now for about 6 weeks and overall it is really disappointing. Perhaps with time Zepp will be able to make it more useful but in its present form you can do very little with the data that is gathered. For example the sensor software can't distinguish between a forehand volley and forehand so if you do a lot of volleys in your doubles match it will rate your forehand performance as poor and show low levels of topspin. I think that being able to detect volleys is pretty fundamental. Also there is no way to see trends in the data with time since there is no web presence for tennis data. Only for baseball and golf. Tennis is the poor undeveloped relation. So you just have average data for each match or practice session and cannot compare it to other sessions. You can't export the data either. Even very basic things can't be done. For example if you by mistake mark a session as a match rather than practice you can't go back and correct the error. Also, you can't make any notes on the match or practice sessions either. The 3D mode for serving might be valuable if there was some guidance or ability to show trends in some graphical form. Showing a simulated 3D movement of the racquet looks good but with no guidance or model movement to go by it is of little use. Also it would be nice to be able to import a sample from a good tennis player and compare but that isn't possible either. I have corresponded with the technical support people and they have been helpful but they can't provide any guidance as to whether the sensor app software or internal firmware will be improved to make the sensor useful. Lastly today after using the sensor with the flex mount for the last 6 weeks one band on the mount snapped. At $10 for a new mount 8 times a year it is going to cost a lot just to be able to use it.
From: Nick, 5/16

Comments: Bought this as a Christmas gift for my son and husband. This device worked for a total of 9 minutes. The software no longer recognizes the sensor (even after the update), although the iPhone indicates that the sensor is connected to the phone. Rather disappointed with the product.
From: Anonymous, 5/16
Note from TW: We would be happy to help trouble shoot if you give us a call!

Comments: I have to agree that the mounting system isn't perfect, especially the Pro Mount. Mine flew off after about 40 mins. But it wasn't the 3M adhesive that came loose. Instead it was the logo on my buttcap. They should warn about this since I've read about other users with the same experience. But, the flex mount actually was a lot more nice than I thought it would be. It does affect weight and balance quite a bit, but I put it on my Pure Strike 100 that needed the weight anyway. So the racquet actually played better with the flex mount. The app and info is good. It still has alot of room for improvement (badgeds/achievments, online community/ranking, volleys, detailed match score etc) but the data I get is nice. Especially the consistency and power numbers. The intensity numbers is good for training but they should make some sort of system in which you can level up so that you have something to strive for. One of the few negative things is that it doesn't separate smashes during rallys. So if I smash I get stats for serve, which is just annoying. Also, it would be great if it could give me volley stats. But other than that, I have no complaints.
From: Karl, 6/15

Comments: The mounting solution isn't perfect, but I found that slapping an overgrip on top of the flex mount that comes with it is the best solution for me -- I barely notice it anymore. I figure it's about half an ounce of added weight, which isn't too much and makes my racquet more head light. Biggest challenge for me is to remember to charge it, but when I do, I love the data it gives me back. I now have an exact idea of how I vary my shots in matches, i.e. how many backhands I run around, what shots I need to practice more in practices, i.e. how many more backhands I need to hit, and that I now aim to take at least 400 swings each time out. Obviously Milos doesn't play his matches with this, and I'm guessing not even most practices since he has people there measuring these kinds of things for him in other ways, but if this is the closest thing us recreational players can get to the kind of analysis the pros get, then I'm pretty happy with it.
From: Don, 6/15

Comments: Don't buy this if you don't have a perfectly flat butt cap. The Pro Mount will fall off during play (with the sensor attached). Zepp support said that I can only use the Flex Mount on my racquet even though the product is advertised to fit every racquet (both mounts).
From: Judy, 5/15

Comments: I've been using it for 6 months now and it has improved my serve practice imensely. I now get real quantifiable feedback as to whether I'm getting more pace on a serve and where I'm making contact on groundstrokes. It is more fun having this feedback. If they would include spin info (with greater gradation) on the non 3D mode it would make it even better. So far it works well.
From: Anon, 1/15

Comments: I have used the Zepp Sensor for about 6 months. It was a little clunky to start with. The software updates didn't always work smoothly. With each software update, the product did improve however. More features (eg. 3D serve analysis), racquet ball hit position etc, and better accuracy with recording shots and shot type. Unfortunately, after 6 months of use, the Zepp sensor has now died. It won't turn on. It was good while it lasted, but I sense the company hasn't quite worked out the quality control issues as yet. The new Sony Smart Tennis Sensor and the Babolat Play look like options worth exploring.
From: Beven, 8/14

Comments: I was an "early adapter" to this product and bought one when it first came out straight from Zepp. I've used it for all 3 sports (tennis, golf and baseball). It works much better for the other two sports than it does tennis IMO. The first few months when I used it, it would register 2 serves for every 10 I hit. Not sure how the algorithms can't figure out 90 degrees difference in positioning. Once I did the updates, the service mode works pretty well. It registers about 7 of ever 10 I hit. It will give you a rendering of your swing plane that you can spin 360 degrees and overhead. This is what the golf and baseball apps are all about. This is the only reason I use this now. I also own the Babolat Play and have put the Zepp on it to compare. Not even close! If I hit 300 balls in a session, the Zepp might record 100 of them. The sweet spot indicator on the Zepp is way off too! It'll say I have hit 9% in the sweet spot when the Play will say 57%. I'm not the greatest ball striker, but that's a pretty drastic delta. The good news is, if you get it to work, you can play with any racquet that fits your style. You don't notice the gel butt-cap holder if you wrap the overgrip on top of it.
From: Chris, 8/14

Comments: I was pretty skeptical of the mounting system, because it seemed that the silicone over-the-butt- cap holder would put the unit in the way of everything, but it's just about as close to unnoticeable as it can be -- and I hang my little finger off the bottom of the butt cap on my serve. Maybe it helps that I put my over grip on top of the holder. First day, I broke the session up into warm-up, drills, set one, set two, set three, etc., although this was in part to see how well the Zepp sensor communicated with my iPhone. It worked every time. I then noticed that the impact locations weren't showing up, and some of the on-screen buttons weren't working correctly. I received notification that there was a firmware update, which went perfectly, and afterwards somehow all my data started appearing in the app, and the buttons worked as expected. I'd love to put this on a Babolat Play to compare the data, but not having a Babolat Play at my disposal any longer, I can say that the Zepp sensor is impressive. First, I like the fact that it allows you to use any racquet. My racquets are a lot heavier (and with a lot higher swing weight) than a Pure Drive, so even if the price was comparable, the Zepp is the better unit for my needs. Second, I like that there's one button instead of the two on the Babolat Play. You turn it on, you turn it off, you wake it up -- pretty simple. One button is plenty. Third, I like the status light array. The lights march one way when turning on, the other way when turning off, and there are other sequences for other modes. Very nice. The app displays data clearly, and it's easy to get to the screen/page you're seeking. A couple things the Zepp Sensor doesn't have that the Babolat Play does: 1) the "social" connection with out Zepp sensor users, 2) the ability to connect using your computer/browser via USB, and 3) the ability to download your data. None of these are a big deal for me, however. I can see how it might be nice to share data with others (such as coaches), but the Zepp sensor downloads to my iPhone without drama so I don't feel the need to have the USB data connection as a backup. The only thing I've found that I don't like is the "pro" holder that sticks to the butt cap. It looks impressive, but the Zepp sensor flies out on impact about every ten shots (for me, at least), so I've had to resort to taping the sensor into the pro mount to retain it during play. If this is the first generation of this technology, I can't wait to see what the future holds. Also, the Zepp sensor has one feature not found in the Babolat Play: The serve practice mode. Normally, you use it in training mode, but you can switch to serve mode and hit a bunch of serves. The app will then show you a 3D representation of your service motion. Who needs a video camera and analysis software when you have the data straight from the racquet?
From: Greg, 6/14

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