SIG BDX vs Ballistics Calculator Pro
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- Sync rangefinder with riflescope
- Display illuminated holdover dot
- Measure target distance
- Ballistic data integration
- Connect The Dot™ system
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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
Ballistics Calculator Pro
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Ballistics Calculator Pro provides advanced, accurate shooting calculations for hunters and marksmen. Supporting comprehensive Imperial and Metric units, our app includes all standard conversions for distance, velocity, temperature, wind, and more. Calculate corrections with MOA, IPHY, or Mils, using both G1 and G7 drag models. Customize multiple rifle and ammo profiles, select from an extensive bullet library, and utilize advanced features such as stepped BCs, zero atmosphere conditions, and calculations for Coriolis effect and spin drift. Key Features: Full Imperial & Metric unit support All measurements: distance, wind, altitude, weight, temperature, and more Correction units: MOA, IPHY, Mils (with conversions) Drag models: G1 & G7 Multiple gun/ammo profiles & extensive bullet library Stepped BCs, Coriolis effect, spin drift, powder temp compensation Graph comparisons for up to 6 loads Export trajectory tables via email Completely Private & Offline: No network needed; all data is local No accounts, no cloud, no remote APIs Built-in database for privacy and reliability Own all your data, fully exportable Perfect for shooters, reloaders, and ballistic professionals who demand precision and privacy.
Screenshots
Verdict
The clearest difference is price: SIG BDX at Free against Ballistics Calculator Pro's $19.99. Ballistics Calculator Pro's advantage is iOS requirement (12.0 vs 16.0). On ads, in-app purchases 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
SIG BDX is free to download; Ballistics Calculator Pro costs $19.99 up front. Neither carries in-app purchases, so what you see is what you pay.
| Parameter | SIG BDX | Ballistics Calculator Pro |
|---|---|---|
| Price | Free — better | $19.99 |
| Rating | 3.4 (68 ratings) — better | — |
| Positive reviews | 33.3% of reviews | — |
| Number of ratings | 68 — better | — |
| Update frequency | Every 3 weeks | — |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 16.0 | 12.0 — better |
| Further details — not scored | ||
| Size | 137 MB | 28 MB |
| Age rating | 4+ | 4+ |
| Developer | Sig Sauer, Inc. | Sebastin Michael |
In-app purchases
SIG BDX
No in-app purchases
Ballistics Calculator Pro
No in-app purchases
Questions
Is SIG BDX free?
Is Ballistics Calculator Pro free?
Do SIG BDX or Ballistics Calculator Pro have ads?
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