iStrelok iOS
iStrelok icon


by Igor Borisov

Universal App - Designed for both iPhone and iPad.

Price: $4.99

iStrelok is a ballistic trajectory calculator.
- 584 reticles supported! Full list see here:
- You can see holdovers on your reticle and scale holdovers to any magnification (if reticle is located in second focal plane).

  • Trajectory calibration ("Truing") feature.
  • abitity to change target type and select from: Round target (you can change diameter), Old IPSC Target, IPSC Target, IPSC Universal Target, IPSC Mini Target, IPSC A4 Target, IPSC A Target, Target number 4. And animals targets: Fox, Coyote, Wild Boar, Aoudad, Crow, Moose, Elk, Whitetail Deer, Rabbit, Rat, Pingeon, Marmot.
  • ability to input current altitude from internal GPS sensor

- supports WeatherFlow wind meter

  • iPhone 6 internal barometer support

Small, handy and accurate. Field-proven accuracy since 2001.
Supports imperial units (yards, feet, inches, etc).

iStrelok App Details & Overview

IStrelok is an application developed by Igor Borisov and released on iOS. The app is compatible with iOS 8.0 or later on the following devices: iPhone 7, iPhone 6, iPad 3, iPad Mini and iPod Touch 5G or newer.

Download the iStrelok app and use on your iPhone or iPad. Click here to download the app for Android or Windows devices.

What's new in version 3.44

Added reticles: - 1PN93-2, Russia - Advanced BDC, Monarch, 2.5-10x, Nikon - AR-BDC 2, Strike Eagle 1-8x, Vortex

Rank in top paid apps

Ranking - Apps (iPhone) - United States
  • iStrelok is currently ranked #199 on the iOS store in united states.
  • iStrelok is a good rated app with 3.5 stars.

App Updates (View More)

  • Release v1.80 Jun 17, 2009

App Data

Current Version: 3.44
File Size: 13Mb
Genre: Utilities
Publisher: Igor Borisov
Content Rating: 4+
Users Rating: 3.50 (453 reviews)
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iStrelok Reviews

App crashed

Rated 5 out of 5
By JD in CO on March 30, 2017
Purchased app on 03/26/17. It was great for one day. It failed to open the following day and has not opened...

Incredible app

Rated 5 out of 5
By Ltjim on March 30, 2017
Excellent app!!!! Loaded information about scope and ammo and was shocked how accurate the adjustments were HIGHLY RECOMMENDED


Rated 3 out of 5
By Tigger091512 on March 28, 2017
App crashed after last update on the 27th of March.

Great app, but unable to open after update n

Rated 5 out of 5
By Pavlovwolf on March 27, 2017
This app has been great for the last few years I've had it. If you give it accurate data it...

Burris XTR2 Ballistic Dot

Rated 4 out of 5
By Fireman489 on January 24, 2017
Can't seem to find this reticle in the app. Am I missing it ?? If not can you PLEASE add it ?...

Ballistics made easy

Rated 5 out of 5
By DiscoStuTX on July 21, 2016
This is by far one of the most technical yet easy to use ballistic shooting applications on the market. From...

Must have for long range pellet rifle shooting

Rated 5 out of 5
By Urgirlinmyjetta on June 12, 2016
I've had his app for over a year now and I must say, with this app I can hit 2inch...

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