Harry's Lap Timer for Android: Now Available
 

Edit: apparently nobody here uses it :)

Really nobody?

I just used it this weekend.

Great app when mounted to the dash in a Nexus 7 or similar device. only gripe is that it's the Rookie version so you can't do the video overlays and you don't get the detailed lap analytics like you do on the iOS version.

I've seen lots of people use it. Harrys lap timer is a popular app for track guys but alas, it's not the only one and if you don't drink the Koolaid (iOS) you might be looking for something else.

Another really good one is Track Attack.
http://trackattackapp.com/

I'm partial to Track Attack because they also made it available for Windows Phone along with Android and iOS.

[ame="http://www.youtube.com/watch?v=rcSLRBrDOQ4"]Introducing Track Attack! iPhone + GPS Lap Timer + Video + Social. Get it Now on App Store! - YouTube[/ame]

How accurate do you guys think is is? Also, what are you using for mounting points and sensors?

I thought I had read that the Professional version of HLT is coming in the spring of 2014 ... If so, it will be a nice addition to the Android community.

It's just fine for funsies and youtubin' but if you want proper accuracy via GPS you're going to go buy an AIM SOLO DL.

I use my AIM Solo but I do like how the phone apps also overlay the data onto the video, which is highly desirable.

im using Qstarz and the price is very reasonable!

Qstarz pales in comparison to an AIM. It has the same functionality as Harry's with an external GPS, but at a far higher cost.

I've played around with the free version and paid version and I like it - saves a TON of time editing video to synch up data with the video since it will overlay the video with the data AND give you ability to select what you want to see.

Has anyone tried to run this simultaneously with the OBDII bluetooth apps? I am wondering if it is possible to gather all that data AND get video at the same time.

Don't need or expect it to be as good as an AIM system or an AMB transponder but I'm wondering how you guys find Harry's performs compared to those higher end systems and whether the HLT data is good enough to be reliable and actionable.

I'm tryong to find out how device placement, GPS reception and device sensors affect HLT's data quality. For example I got much better reception and accuracy with it on my iPhone 5 suction mounted to the windshield versus on my Nexus 7 mounted to (but not inside) the dash in front of the AC vents.

The GPS fixes were supposedly good enough from the Nexus 7 mounted on the dash that all the status indicators at the top of the HLT app flagged as green / good to run before I started my session. After the session though when I look at the 'lap list' section on the Nexus 7, most of my laps times in the lap list on the Nexus don't have the 'star' icons next to them and I can't see the split data or map overlays like I can for the laps I logged on the iPhone 5, even though I'm using the same circuit/POI data on both devices.

In fact only a few of my laps I timed on my Nexus 7 this past weekend were good enough quality for the app to 'allow' me to use the 'upload them to Hall of Fame' option which I hope doesn't mean that all the data is gargbage.

Had no reception issues when using the iPhone 5 suction mounted to the windshield though. I might try timing on both the Nexus 7 and iPhone 5 simultaneously next time around just for kicks even though I find that mounting stuff on my windshield or anywhere in my line of view is a bit annoying.

It might not be an absolutely perfect solution but I love the ease of use and for 15-20 bucks it's awesome, assuming that the data is somewhat accurate.

Will be great to get the Petrolhead and GP versions on Android too.

Has anyone here tried playing with different munting locations or external attachments like GPS antennas and GoPros?

I know that you can run Torque and HLT at the same time with Torque pulling live OBD2 data while HLT runs but I haven't gotten OBD2 data working in HLT yet, or through both Torque and HLT at the same time, although the official HLT web page says that the app does have OBD2 support in there.

I'd give it a +- 0.75 second window (although it can be +-1), from my observations, comparing it to a Racepak and AIM unit, as well as AMB and Westhold timers.

interesting. I supoose it's good enough as a basic ballpark lap timer then, but probably not accurate enough to tell you whether X clicks on the suspension or Y adjustments to tire pressures gained you a few tenths or not.
:)

I just picked up a Dual XGPS160 bluetooth GPS receiver to enhance the accuracy a bit. Will report back later on.

Link: http://cgi.ebay.com/ws/eBayISAPI.dll...m=151198332735

i'll try logging side by side with both the iPhone 5. running HLT Grand Prix and the Nexus 7 running HLT Rookie to see the differences as well.

Next step after that will be to try and hook up a GoPro Hero 3 Black editon and see if i can use that for overlays.