#1st ballistics App for Apple Watch.
External Ballistic Calculator is aimed towards recreational long range shooters. Works with large caliber and airguns.

It helps shooters calculate hold overs, and scope settings necessary for long range shots.

Available for iPhone, iPad and Apple Watch.

- Accurate calculating targeting
- Imperial units (grain, in, yard) and Metric units (gram, mm, meter)
- Elevation: Mil-MRAD, MOA, click
- Range cards
- List of bullets
- First focal plane and Second focal plane reticles
- Rangefinder
- Coriolis Correction
- Shooting targets
- Calculate Spot On Ballistic for Nikon scopes
- Ballistic Calculator for Meopta scopes

Usage tips
- Target
Change distance: tap on distance amount or use increase/decrease buttons
Smooth increase/decrease distance:
iOS: push increase/decrease button and hold
WatchOS: double push increase/decrease button
- List of Bullets
Delete bullet: swipe left
- Ballistic
Select column: tap on column header

What's New

Version 3.7

- Added new riflescopes
- Factory Ammo

Ratings and Reviews

4.6 out of 5
57 Ratings
57 Ratings

Great Improvements Made


I was reluctant after reading the reviews to download this app, but after looking at the update history I decided to give it a try. It has worked flawlessly and is very easy to use, including with the Apple watch.

This app developer has worked incredibly hard to address all the negatives brought up in past reviews. Every update is something major that makes a huge improvement in functionality. A year ago I wouldn't have recommended it, but today I say buy it with complete confidence.

Great ballistic calculator


Very intuitive and works perfectly. The target selection map needs some work (Manual gps refresh and the ability to scroll and stay)

Good, but needs further work:


1: Can only use G1, not G7.
2: Max ambient temperature on Apple Watch version is 70 degrees.
3: Zero range on Apple Watch version limited to units of ten. Cannot set 25 yards.
4: No provision to enter projectile length.


Vitalii Gryniuk
13.3 MB
Requires iOS 8.2 or later. Compatible with iPhone, iPad, and iPod touch.
English, French, German
Age Rating
You must be at least 17 years old to download this app.
Frequent/Intense Realistic Violence
© GV Apps


  • Family Sharing

    With Family Sharing set up, up to six family members can use this app.

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