SIG BDX

Name: SIG BDX
Rating: 3.5 (65 reviews)
Author: Sig Sauer, Inc.

By: Sig Sauer, Inc.

SIG Ballistic Data Xchange

Features & Capabilities

SIG BDX Chrome extension enables seamless Ballistic Data Xchange between KILO BDX rangefinders and SIERRA3BDX riflescopes via Bluetooth, illuminating the exact holdover dot for precise shooting. Follow the Connect The Dot workflow to access the data you need for ethical, accurate shots.

Workflow essentials: DOWNLOAD the app, SYNC with your rangefinder, BOND the devices, and RANGE to measure distance. The blue LED on the scope’s power selector ring indicates updates, and the system supports approx. 800 yards at ~1 MOA accuracy.

User Growth & Download Statistics

App Developer Tools

By:

Sig Sauer, Inc.

Rating:

3.50

(65)

Version:

461 Last updated: 2026-04-13

Version code:

884104914

Creation date:

2018-08-05

Compatible devices:

Size:

134.28MB

URLs:

Website ,Privacy policy

Full description:

Source:

Apple Apps Store

Data ingested on:

2026-06-11

Compare stats and ranking:

Ranking

# 196,225 ▼ 309

For Developers

Monetize with App Pass Boost with Extension Booster

Contact the developer

Chrome-Stats does not own this Apple app. Please use these information below to contact the Apple app developer.

Developed by:

Sig Sauer, Inc.

Apple Apps Store

https://apps.apple.com/us/app/sig-bdx/id1403025894

Website:

https://www.sigsauer.com/products/electro-optics/bdx/

User Reviews

Users praise SIG BDX for solid hardware integration and ease of use, with accurate rangefinding and practical field usefulness. However, repeated issues include a ballistic calculator limited to ~800 yards, with few atmospheric inputs and missing scope height, barometric pressure, and humidity; unreliable Bluetooth pairing/discovery; slow streaming and readability problems; bugs like export mismatches and opaque firmware notes; and sparse updates for new calibers alongside mixed support. DRM-style reconnection requirements also affect reliability. Many users want Apple Watch support and more proactive updates to fully unlock the system's potential.

Pros

Easy to use and versatile once learned.
Accurate rangefinder integration with SIG BDX hardware and dependable ballistic solution.
Solid Bluetooth setup and quick syncing with the rangefinder/scopes.
Good hardware performance for hunting/target practice.

Cons

Ballistic calculator limits: about 800 yards max, with limited atmospheric inputs (only temp and altitude); missing barometric pressure, humidity, and scope height; many calibers unsupported.
Bluetooth connectivity and pairing instability (discovery issues, occasional crashes).
Performance/UX issues: slow live streaming, latency, hard-to-read UI (fonts/colors), and bugs like export mismatch.
Sparse updates and weaker support for new calibers; some reports say the app isn’t actively maintained.
DRM-style access requires periodic reconnection (every 60 days), reducing reliability.

Recent reviews

Time is off by about 13 hours on the monocular and the only way to sync it is through the app. Called customer service and was told they’re aware and engineers are working on it and just wait for a possible update with no time frame. Not sure why it can’t be fixed for such an expensive piece of equipment.

by Ap*****, 2026-03-13

I love the combo and have no issues at all. Only wish there was more options for ballistics instead of having to enter in the caliber and all the info. I mainly use a 300 PRC and 450 BM.