SIG BDX vs Leica 2Hunt
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
Leica 2Hunt
This application connects your Leica thermal camera to your iPhone or iPad via Wi-Fi or Bluetooth. It allows you to download and share captured photos and videos, and remotely control various camera settings. The app also facilitates firmware updates for compatible Leica Calonox 2 series cameras.
- Connect via Wi-Fi or Bluetooth
- Download and share photos/videos
- Remote camera control
- Access camera gallery
- Firmware updates
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Connecting to your thermal camera is now easier than ever before. Leica 2Hunt connects your thermal camera to your iPhone or iPad via Wi-Fi or Bluetooth. The app lets you download and share your photos and control your Leica camera. EVERYWHERE – One app for all your Leica Calonox 2 thermal cameras REMOTE CONTROL – Direct access to various camera settings GALLERY – Check the gallery of your Leica thermal camera EASY DOWNLOAD – View and download your photos and videos from your Leica thermal camera FIRMWARE UPDATE – Update your thermal camera firmware from the app Leica 2Hunt is currently supported by the following models: – Leica Calonox 2 series: Leica Calonox 2 Sight, Leica Calonox 2 Sight LRF, Leica Calonox 2 View, Leica Calonox 2 View LRF
Screenshots
Verdict
SIG BDX and Leica 2Hunt both sit at 3.4 stars, but that hides the real split: 100% of Leica 2Hunt's written reviews are positive against 33% of SIG BDX's. SIG BDX's advantage is ratings volume (68 vs 9). On price, rating, update cadence and ads 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.
On the App Store both sit at effectively the same score — 3.4 for SIG BDX against 3.4 for Leica 2Hunt. That said, the two scores are not equally well evidenced: SIG BDX has 68 ratings behind it against 9, so its average is the more settled of the two. Written reviews are what separate them: 33% of SIG BDX's written reviews are positive against 100% of Leica 2Hunt's.
SIG BDX ships an update every 3 weeks, Leica 2Hunt every 6 weeks. The most recent releases landed on October 22, 2026 and October 25, 2026 respectively.
| Parameter | SIG BDX | Leica 2Hunt |
|---|---|---|
| Price | Free | Free |
| Rating | 3.4 (68 ratings) | 3.4 (9 ratings) — better |
| Positive reviews | 33.3% of reviews | 100.0% of reviews — better |
| Number of ratings | 68 — better | 9 |
| Update frequency | Every 3 weeks — better | Every 6 weeks |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad — better | iPhone |
| Requires iOS | 16.0 | 16.0 |
| Further details — not scored | ||
| Size | 137 MB | 118 MB |
| Age rating | 4+ | 4+ |
| Developer | Sig Sauer, Inc. | Leica Camera AG |
Customer experience
SIG BDX
Leica 2Hunt
In-app purchases
SIG BDX
No in-app purchases
Leica 2Hunt
No in-app purchases
