Kestrel LiNK Ballistics vs SIG BDX
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Kestrel LiNK Ballistics
Manage your connected Kestrel Ballistics device to enhance shooting accuracy. Create and store gun profiles, access extensive bullet libraries, and view shooting solutions remotely. The app also facilitates firmware updates for your device.
- Gun profile management
- Access bullet libraries
- Remote target viewing
- Custom target creation
- Printable range cards
- Firmware updates
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The Kestrel LiNK® Ballistics App gives you the ability to manage key features and functions of your connected Kestrel Ballistics device to maximize convenience and boost your shooting performance. Quickly and easily create, upload, download, and store gun profiles and access the Applied Ballistics and Hornady libraries of lab-tested bullet parameters and profiles for use in your Kestrel Ballistics Meter using the Gun Profile Manager(1). Place your Kestrel in the vane mount on a tripod (sold separately) to view solutions remotely from your shooting position on your mobile device using Single Target Mode. Create and send up to 10 custom targets to your Kestrel or export a printable range card using Target Card Mode(2). The Kestrel LiNK Ballistics app also allows you to easily update the firmware in any LiNK-enabled Kestrel Ballistics meter or HUD so you always have the latest features and improvements. * Kestrel 5700 Elite Weather Meter with Applied Ballistics, Kestrel 5700 with Hornady 4DOF, Kestrel 5700 Ballistics Weather Meter, 2700 Ballistics Weather Meter, and Kestrel HUD Heads Up Display (1) Kestrel 5700 Elite Weather Meters with Applied Ballistics can access Applied Ballistics G1 & G7 BCs and AB Custom Drag Models. Kestrel 5700 and 2700 Ballistics Weather Meters can access Applied Ballistics G1 & G7 BCs. Kestrel 5700 Ballistics Weather Meters with Hornady 4DOF can access Hornady G1 & G7 BCs and Hornady Bullet Files. (2) Target Card Mode available on Kestrel 5700 Elite Models only.
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
Screenshots
Verdict
The clearest difference is rating: SIG BDX at 3.4 against Kestrel LiNK Ballistics's 2.8. SIG BDX also leads on update cadence (every 3 weeks vs every 3 months) and review sentiment (33% vs 25%). On price, ratings volume, ads and in-app purchases 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
SIG BDX holds the better App Store score, 3.4 against 2.8. Both are backed by a comparable volume of ratings — 60 and 68 respectively. Written reviews point the same way: 25% of Kestrel LiNK Ballistics's written reviews are positive against 33% of SIG BDX's.
Kestrel LiNK Ballistics ships an update every 3 months, SIG BDX every 3 weeks. The most recent releases landed on September 15, 2026 and September 22, 2026 respectively.
| Parameter | Kestrel LiNK Ballistics | SIG BDX |
|---|---|---|
| Price | Free | Free |
| Rating | 2.8 (60 ratings) | 3.4 (68 ratings) — better |
| Positive reviews | 24.6% of reviews | 33.3% of reviews — better |
| Number of ratings | 60 | 68 — better |
| Update frequency | Every 3 months | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 15.0 — better | 16.0 |
| Further details — not scored | ||
| Size | 28 MB | 137 MB |
| Age rating | 4+ | 4+ |
| Developer | Nielsen-Kellerman Co. | Sig Sauer, Inc. |
Customer experience
Kestrel LiNK Ballistics
SIG BDX
In-app purchases
Kestrel LiNK Ballistics
No in-app purchases
SIG BDX
No in-app purchases
Questions
Is Kestrel LiNK Ballistics free?
Is SIG BDX free?
Which has better reviews, Kestrel LiNK Ballistics or SIG BDX?
Do Kestrel LiNK Ballistics or SIG BDX have ads?
Which is updated more often, Kestrel LiNK Ballistics or SIG BDX?
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