Comparison

SIG BDX vs Ballistic X

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

SIG BDX

This application connects a rangefinder to a riflescope, displaying an illuminated holdover dot for precise aiming. It facilitates syncing devices and provides ballistic data for accurate shots up to 800 yards.

Highlights
  • Sync rangefinder with riflescope
  • Display illuminated holdover dot
  • Measure target distance
  • Ballistic data integration
  • Connect The Dot™ system
Features
Read full description

The KILO BDX rangefinders use Applied Ballistics and Bluetooth® to illuminate the exact holdover dot in SIERRA3BDX riflescopes. For the most accurate and ethical shot, just Connect The Dot™. - DOWNLOAD: Download the app - SYNC: Sync the app with your rangefinder - BOND: Use the app to bond the rangefinder with the riflescope - RANGE: Press the RANGE button to measure the distance of your target - POWER SELECTOR RING: When the SIERRA3BDX riflescope is actively paired with a KILO BDX rangefinder, the blue LED on the power selector ring will be illuminated solid blue. This Blue LED will flash quickly 8X for one second whenever the riflescope has received a new holdover reticle update from the rangefinder. The BDX system works out to 800 yards with 1 MOA of accuracy - CONNECT THE DOT™: It’s time for hunting. Once the riflescope is turned on, range the target and the new hold is lit up out to 800 yards

About

Ballistic X

This app helps shooters calculate shot groups and zero their rifles with an intuitive interface. It offers features for load development and precise turret adjustments, supporting various units and target types. An optional upgrade unlocks advanced statistical analysis tools.

Highlights
  • Shot group calculation
  • Rifle zero adjustment (ATZ)
  • Load development data
  • MOA/MIL or INCH/CM support
  • Advanced statistical analysis (In-App Purchase)
  • Cross-device sync (optional)
Features
Currently charting
Read full description

Ballistic-X: The Easiest Way to Calculate Shot Groups and Zero Your Rifle! Designed by shooters, for shooters, Ballistic-X offers a simple, intuitive interface allowing users to customize their experience through the Options Menu. Whether you prefer MOA/MIL or INCH/CM, the app works seamlessly with any target, including Steel. Key Features: - Included: Gain access to the core functionality of Ballistic-X with a single purchase. No subscriptions required for full access to essential tools! - Sync settings across multiple devices by signing in (optional, not required to use the app). - Offers useful data and labeling options that aid in Load Development. - The ATZ (Adjustment To Zero) feature helps you precisely adjust your turrets to bring your rifle to zero, saving you rounds and time. ATZ works dynamically at any range and supports all turret options. Simple Workflow: - Take an image of your target (within the app or from your library) - Designate reference size via Settings (default is 1") - Mark two points on the target corresponding to the reference (for grid or steel targets) - Input the distance from the target - Select the caliber used - Mark Point of Aim and Impacts - Add overlay, label, crop, and export/share - Adjust your optic according to ATZ Upgrade to the Advanced Toolkit (In-App Purchase): Unlock additional pro-level features with the Advanced Toolkit: Advanced Overlay Display Options: - Mean Radius - Circular Error Probable (CEP) - Radial Standard Deviation (SD) - Vertical SD - Horizontal SD - Mean Windage - Mean Elevation - Impact Selector - Export to CSV for further data analysis Ballistic-X is a community-driven app, committed to providing the best user experience possible, along with unbeatable customer service. Join the Ballistic-X community today and elevate your shooting precision! Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://www.ballistic-x.com/privacy.html

Screenshots

SIG BDX4 screens
Ballistic X4 screens

Verdict

The call

The clearest difference is price: SIG BDX at Free against Ballistic X's $7.99. SIG BDX also leads on in-app purchases (none vs 1). Ballistic X's advantage is review sentiment (57% vs 33%) and rating (3.7 vs 3.4). On ratings volume, update cadence, ads and device support there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

SIG BDX is free to download; Ballistic X costs $7.99 up front. Ballistic X sells 1 in-app purchase, starting at $9.99 per year. SIG BDX asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Ballistic X holds the better App Store score, 3.7 against 3.4. Both are backed by a comparable volume of ratings — 68 and 140 respectively. Written reviews point the same way: 33% of SIG BDX's written reviews are positive against 57% of Ballistic X's.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on September 22, 2026 and September 20, 2026 respectively.

Scorecard6 real differences · 5 level
SIG BDX versus Ballistic X: the parameters behind the verdict, then further details
ParameterSIG BDXBallistic X
PriceFree — better$7.99
Rating3.4 (68 ratings)3.7 (140 ratings) — better
Positive reviews33.3% of reviews56.9% of reviews — better
Number of ratings68140 — better
Update frequencyEvery 3 weeksEvery 3 weeks
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
Best chart rank#15 — better
DevicesiPhone, iPadiPhone, iPad
Requires iOS16.0 — better16.4
Further details — not scored
Size137 MB112 MB
Age rating4+4+
DeveloperSig Sauer, Inc.Nomad Innovations, LLC

Customer experience

SIG BDX

All ratings68 ratings
Positive50.0%
Neutral20.6%
Negative29.4%
Written reviews42 reviews
Positive33.3%
Neutral21.4%
Negative45.2%

Ballistic X

All ratings140 ratings
Positive65.7%
Neutral6.4%
Negative27.9%
Written reviews123 reviews
Positive56.9%
Neutral8.9%
Negative34.1%

Bugs and requests

SIG BDX

Not enough reviews yet to summarise bugs or requests.

Ballistic X

Reported bugs

4 issues
  • Crashes on launch
  • Photos rotate incorrectly
  • Overlay data not saving properly
  • Compatibility issues with older devices

Requested features

6 requests
  • Automatic impact detection
  • Ability to combine multiple groups on one target
  • More caliber options
  • Customizable overlay colors
  • Ability to rotate and adjust photos before overlay
Show 1 more
  • Statistical analysis of group variation

In-app purchases

None

SIG BDX

No in-app purchases

1 purchases

Ballistic X

Subscriptions1
  • Advanced Toolkit Yearly$9.991 Year

Questions

Is SIG BDX free?
SIG BDX is free to download, with no in-app purchases.
Is Ballistic X free?
Ballistic X costs $7.99, and also offers in-app purchases.
Which has better reviews, SIG BDX or Ballistic X?
Ballistic X is rated higher. SIG BDX averages 3.4 out of 5 from 68 ratings, while Ballistic X averages 3.7 from 140 ratings.
Do SIG BDX or Ballistic X have ads?
Neither SIG BDX nor Ballistic X shows ads.
Which is updated more often, SIG BDX or Ballistic X?
SIG BDX ships an update every 3 weeks, and Ballistic X every 3 weeks. Most recently, SIG BDX was updated on September 22, 2026 and Ballistic X on September 20, 2026.

Other comparisons