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Thread: Use your iPhone as a rangefinder

  1. #1
    Join Date
    Apr 2011
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    Use your iPhone as a rangefinder

    There is an app called Bow Ranger that makes your iphone function like a rangefinder. Check it out on the app store. You type in your stand height and aim the crosshairs and it tells you the range. It constantly updates so you don't have to keep pressing the button like laser rangefinders. Looks pretty accurate for typical bowhunting distances.



  2. #2
    Join Date
    Apr 2010
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    giving this a go. will let u know my findings. i can shoot and range 100yards (shoot on a football field)
    Monster 7 (Black on Black) 28.5in draw 70lb limbs
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  3. #3
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    subscribed
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  4. #4
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    Sweet, that is so cool!
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  5. #5
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    May 2010
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    cedar vale australia
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    is it only on the iphone or do they have it for other phones

    terry

  6. #6
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    Apr 2010
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    OK, here are my findings on the BowRanger App:

    Football Field
    55gal drum
    6ft man held phone at 5ft steady as possible. Using left arm tucked across body tucked under right armpit to (TRY) to keep same reference point.
    iphone 3gs ios 4.2.1 Jailbroken

    Football field ranged a 55gal garbage drum at 5yards. Calibrated App 5ft / 5 yards. Aimed at the center of the drum. Ranged bounced between 5 and 4 yards.
    Stepped back to 10 yards. Ranged bounced between 7 and 8 yards.
    Stepped to 15 yards. Ranged 12-13 yards.
    AT 20 yards it was reading 15-17 yards.

    Setting the App for 5ft 20yards gave kinda the same results.

    Things i did notice.
    Needed to keep the same reference point holding the phone. So the angle compensator calculates the yardage.
    Aiming at the bottom of the drum yielded less yardage, more yardage aiming at the top.
    Covering the camera after the App posted its yardage, did not change the range distance, stayed the same.

    I think this App would work alot better if mounted on a fixed position. Maybe i will try something and post back.

    All in all, it got me outdoors on a wet football field (shoes,socks soaked, lol) to putts around with this app.

    Is this app worth 4.99? You be the judge of that.

    Questions? Comments?
    Monster 7 (Black on Black) 28.5in draw 70lb limbs
    QAD HD - HHA-5519
    Ktech 7 & Ksb1
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  7. #7
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    Dont sound to promising to me

  8. #8
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    Jun 2009
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    central Kentucky
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    i'll keep my rangefinder ... but good to know there are more apps in the pipe for the outdoor crowd
    >>>---------->
    oldschoolcj5

  9. #9
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    Nov 2008
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    pt.pleasant,wv
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    I tried it and let me tell you do not waist your time or money!!! It's worthless
    Black Ops Bowtech Specialist
    axcel armortech pro series sights

  10. #10
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    Jan 2008
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    Seacoast of NH.
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    thanks for the heads up I was messing around last night before reading this and almost bought that app. grad I did not..

  11. #11
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    A guy at the pro shop I goto has an app called Archers Mark and it will calculate your inclination and give you the # of yds to shed or add it also gives you a table that gives all your marks for the scope guys and much more. Its like $20 he said its well worth it.
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  12. #12
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    Jan 2008
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    I have just started using the archers mark itouch-iphone app it is pretty awesome but you have to know the yards. then it tells you where to set your target sight.. it has no range finder option..

  13. #13
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    Jun 2006
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    Quote Originally Posted by NHLHVECTRIX View Post
    I have just started using the archers mark itouch-iphone app it is pretty awesome but you have to know the yards. then it tells you where to set your target sight.. it has no range finder option..
    Most the shoots I go to are un marked so it seems like a good tool.
    Custom powder coating for my AT friends Cerakote coating for my AT friends
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  14. #14
    App is useless. waste of money.

  15. #15
    Join Date
    Apr 2011
    Location
    Louisiana
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    The app uses the accelerometer not the camera, so it is more accurate from an elevated position...such as a tree stand. If you want to be accurate, calibrate it from about 20 feet up. At this height it's accurate to +\-1 yard at 20 yards. Not bad for $4.99.

  16. #16
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    SE Iowa
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    I don't see how they can make a cell phone an accurate rangefinder.

  17. #17
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    Apr 2011
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    Montgomery County, PA
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    From what I'm reading this app is not even perfect upto 20yrds. Is there a bow out there that doesn't shoot flat from 15yrd-20yrds? Ok a recurve or longbow.. Most beginners can judge that yardage on their own. Sounds like a worthless app to me.
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