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Levv Golf App


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#1 cjblake09

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Posted 13 May 2018 - 08:31 AM

Has anyone used this app yet?  I tried yesterday and could not get it to give me any readings.  I followed the instructions on placement of the phone but nothing.  Help...


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#2 dbdors

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Posted 14 May 2018 - 09:51 AM

What phone are you using?
___________
Woods: Ping G30 10.5, TM 2017 M2 3W HL, Aldila Rogue Silver 70 stiff
Hybrids: Ping G30 3H, 4H, Aldila Rogue Black 85 Hybrid stiff
Irons: TM 2017 M2, 5-PW, KBS Tour 105 stiff
Wedges: Mizuno T7 Blue Ion, 50.07, 54.12, 58.8, KBS 610 Wedge, Stiff
Putters: Piretti Bosa Black Oxide, Black IOMIC Mid-size
Ball: Wilson Duo Optix, green, Callaway Chrome Soft/Srixon Zstar, yellow
Bag/Cart: Ogio Cirrus Stand Bag/Clicgear 3.5+
Accesories: Garmin G8/Bushnell Tour V4

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#3 cjblake09

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Posted 14 May 2018 - 10:41 AM

Iphone 8

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#4 BryanT84

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Posted 14 May 2018 - 11:21 AM

LEVV is a camera based launch monitor, if youve tried it indoors maybe you were standing under flickering lights or there was not enough light, try it outdoors in natural light, works great

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#5 dbdors

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Posted 14 May 2018 - 12:16 PM

View Postcjblake09, on 13 May 2018 - 08:31 AM, said:

Has anyone used this app yet?  I tried yesterday and could not get it to give me any readings.  I followed the instructions on placement of the phone but nothing.  Help...
Im hoping to get out to the range this afternoon.  I will let you know how it works out.  Did you play for the Pro version?

___________
Woods: Ping G30 10.5, TM 2017 M2 3W HL, Aldila Rogue Silver 70 stiff
Hybrids: Ping G30 3H, 4H, Aldila Rogue Black 85 Hybrid stiff
Irons: TM 2017 M2, 5-PW, KBS Tour 105 stiff
Wedges: Mizuno T7 Blue Ion, 50.07, 54.12, 58.8, KBS 610 Wedge, Stiff
Putters: Piretti Bosa Black Oxide, Black IOMIC Mid-size
Ball: Wilson Duo Optix, green, Callaway Chrome Soft/Srixon Zstar, yellow
Bag/Cart: Ogio Cirrus Stand Bag/Clicgear 3.5+
Accesories: Garmin G8/Bushnell Tour V4

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#6 sethdavidsdad

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Posted 14 May 2018 - 12:43 PM

I'm going to try it out in next couple of days
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#7 cjblake09

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Posted 14 May 2018 - 01:09 PM

I was outside when i tried using it.

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#8 dbdors

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Posted 14 May 2018 - 10:07 PM

I did get to use it on the range.  We were hitting of mats today.  I hit about 10 PW shots and it picked up 9 out of 10.  But it did not give me any distance.  It did provide Launch, ball speed, spin and height, but no distance, carry nor total.  I assume that this was because I was using the free (non Pro) version.  Of course I couldn't review any items after I stopped the session.  I hit about 2 or 3 driver shots as well.  Again, picked them all up, but no distance.

It was easy enough to setup.  I followed the instructions on their videos.  I may subscribe for the 7 day free trail and see the full app.

Also I was using wireless earbuds,  But I don't think that made a difference.

Edited by dbdors, 14 May 2018 - 10:15 PM.

___________
Woods: Ping G30 10.5, TM 2017 M2 3W HL, Aldila Rogue Silver 70 stiff
Hybrids: Ping G30 3H, 4H, Aldila Rogue Black 85 Hybrid stiff
Irons: TM 2017 M2, 5-PW, KBS Tour 105 stiff
Wedges: Mizuno T7 Blue Ion, 50.07, 54.12, 58.8, KBS 610 Wedge, Stiff
Putters: Piretti Bosa Black Oxide, Black IOMIC Mid-size
Ball: Wilson Duo Optix, green, Callaway Chrome Soft/Srixon Zstar, yellow
Bag/Cart: Ogio Cirrus Stand Bag/Clicgear 3.5+
Accesories: Garmin G8/Bushnell Tour V4

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#9 BryanT84

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Posted 15 May 2018 - 12:20 AM

I know this seems a little silly, but are you using the rear mounted camera on your phone, the voice feedback is there because you cant see the screen of your phone, distances and voice feedback only unlocks once youre on the paid version. Setup is 3.8 feet away from the camera and only about 2 feet back, also make sure your volume is all the way up

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#10 dbdors

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Posted 15 May 2018 - 08:46 AM

For those with the paid versions, can you add details about clubs.  For example can you adjust loft and length?  Or maybe this wouldn't matter anyway as they may not be used in the calcs.  Is the list manageable, i.e. delete some clubs from the list.  The list is long and I would like to limit it to the 13 clubs that I have in the bag.

___________
Woods: Ping G30 10.5, TM 2017 M2 3W HL, Aldila Rogue Silver 70 stiff
Hybrids: Ping G30 3H, 4H, Aldila Rogue Black 85 Hybrid stiff
Irons: TM 2017 M2, 5-PW, KBS Tour 105 stiff
Wedges: Mizuno T7 Blue Ion, 50.07, 54.12, 58.8, KBS 610 Wedge, Stiff
Putters: Piretti Bosa Black Oxide, Black IOMIC Mid-size
Ball: Wilson Duo Optix, green, Callaway Chrome Soft/Srixon Zstar, yellow
Bag/Cart: Ogio Cirrus Stand Bag/Clicgear 3.5+
Accesories: Garmin G8/Bushnell Tour V4

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#11 jp227

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Posted 15 May 2018 - 09:52 AM

 dbdors, on 15 May 2018 - 08:46 AM, said:

For those with the paid versions, can you add details about clubs.  For example can you adjust loft and length?  Or maybe this wouldn't matter anyway as they may not be used in the calcs.  Is the list manageable, i.e. delete some clubs from the list.  The list is long and I would like to limit it to the 13 clubs that I have in the bag.

I just downloaded yesterday and signed up for one month of the paid version and have been fiddling with the app. There doesn't seem to be a way to clean up the club list. I was hoping to be able to do the same thing because just seeing the word 1 iron on there is scaring me...

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#12 nupezb

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Posted 20 May 2018 - 07:13 PM

I used this app today. There are two playing modes to use “Quickshot” and “Session”.

Quickshot is the free to use and it will not save data. I used the “Quickshot” mode and was disappointed that Carry and Total Distance wasn’t displayed. When I got home, I contacted their customer support and was informed “In order to get your Carry and Total Distance readings you need to sign up for a Pro Subscription.”

LEVV’s pro prices are $3.99 a month or $34.99 per year. They offer a 7 day free trail once you sign up.

The jury is still out on how accurate this app is.

One the plus side, their customer service is pretty responsive.
Posted Image

Edited by nupezb, 20 May 2018 - 07:14 PM.

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#13 larssonlegend

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Posted Today, 04:47 AM

A better model would be a time bombed fully functional app.  No way i'm signing up to a monthly fee until I'm sure it does what it claims but i can't test that with free app.

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#14 ParHunter

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Posted Today, 11:11 AM

Before I see any reviews with a comparison with data from other LM (TM, Flightscope, GC2/4) I wouldn't trust any of the data they are coming up with. The ball fight model would be tricky to get right and I can't see how a single (2-D) camera with 120fps will be good enough. It doesn't have any depth perception, that means a shot that starts at target would show a different ball speed/carry than a shot with the exact same ball speed that was launched a few degrees off target (not sure how significant that would be though).  GC2/4 uses  stereoscopic cameras for example.

According to the Nyquist sampling theorem you need to sample with at least twice the frequency of the signal you are observing. In this case the 'signal' is the spinning of the golf ball and the sampling is the taking pictures. So if e.g. the ball has a spin rate of 7000 rpm that would be about 116 rotations per second. If you would want to sample that you would need to sample with at least 2x116=232 samples (pictures) per second. The iPhone camera only does 120fps though.  So you will only be accurate with shots that spin less than 3600 rpm (e.g. driver). GC2 uses 10,000 fps.

I would be surprised if the data is consistently within 10% of other LMs.

Edited by ParHunter, Today, 11:36 AM.


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#15 nupezb

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Posted Today, 11:37 AM

Ok I was able to use this app on the range today. Bottom line up front: it’s not ready for primetime.

Out of the 50 balls that I hit it pick up data on 19 shots. I had to throw away several shots because the data was way off.

I signed up for the monthly rate with a seven day free trail.

The setup is to finicky and the voice output stopped working after I changed clubs. I only used my 6,7,PW and driver.

The detection rate was best on my 7 iron. The carry distance seemed to be accurate when tracked.

I then moved to my driver and the detection rate was all over the place. I tried moving my phone but I was only able to get 3 useable shots.

I moved to my PW and notes to app has a warning that because of the higher angle wedge shots may not be as accurate. While that was a understatement, it didn’t pick up any shots (7 attempts).

I moved to my 6 iron and again the detection rate and accuracy was so so.

I will cancel my subscription but it was worth a shot to see how this app worked.

Cleveland 588 Custom Driver 10.5
Cleveland 588 Fairway 3 wood

Nike CPR Fairway 18°
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Mizuno JPX-900 Hot Metal 4-GW
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Titleist Vokey 60°
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#16 dbdors

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Posted Today, 11:57 AM

I thought I had read this before, but it's on the apple spec page, the iPhone 6S can do 240FPS slo mo at 720P.

https://www.apple.com/iphone-6s/specs/

The link does not seem to work constently, but this is what it says:
  • Slo-mo video support for 1080p at 120 fps and 720p at 240 fps

Edited by dbdors, Today, 02:15 PM.

___________
Woods: Ping G30 10.5, TM 2017 M2 3W HL, Aldila Rogue Silver 70 stiff
Hybrids: Ping G30 3H, 4H, Aldila Rogue Black 85 Hybrid stiff
Irons: TM 2017 M2, 5-PW, KBS Tour 105 stiff
Wedges: Mizuno T7 Blue Ion, 50.07, 54.12, 58.8, KBS 610 Wedge, Stiff
Putters: Piretti Bosa Black Oxide, Black IOMIC Mid-size
Ball: Wilson Duo Optix, green, Callaway Chrome Soft/Srixon Zstar, yellow
Bag/Cart: Ogio Cirrus Stand Bag/Clicgear 3.5+
Accesories: Garmin G8/Bushnell Tour V4

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#17 dbdors

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Posted Today, 02:49 PM

Duhhh, i already had my phone set for 240fps.  I think I was checking my swing in slow mo once

EB001945-6677-4D8F-962B-238DD61D72DF.jpeg
___________
Woods: Ping G30 10.5, TM 2017 M2 3W HL, Aldila Rogue Silver 70 stiff
Hybrids: Ping G30 3H, 4H, Aldila Rogue Black 85 Hybrid stiff
Irons: TM 2017 M2, 5-PW, KBS Tour 105 stiff
Wedges: Mizuno T7 Blue Ion, 50.07, 54.12, 58.8, KBS 610 Wedge, Stiff
Putters: Piretti Bosa Black Oxide, Black IOMIC Mid-size
Ball: Wilson Duo Optix, green, Callaway Chrome Soft/Srixon Zstar, yellow
Bag/Cart: Ogio Cirrus Stand Bag/Clicgear 3.5+
Accesories: Garmin G8/Bushnell Tour V4

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#18 Shaun Theron

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Posted Today, 03:33 PM

Im with the LEVV GOLF team and would love to answer some of your questions and clear up any issues you guys are having with the app. I do not however want to break any of the forum rules or overstep if this is not allowed?

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