SIG BDX vs Eagle23
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
Read full descriptionHide 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
Eagle23
Read full descriptionHide full description
Companion App for use with the Precision Targeting Ballistic Sensor Suite (BSS) and optional Weapon Mounted Display (WMD) and optional 5-Button Wireless Remote.
Screenshots
Verdict
The clearest difference is update cadence: SIG BDX at every 3 weeks against Eagle23's every 14 months. On price, 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
SIG BDX ships an update every 3 weeks, Eagle23 every 14 months. The most recent releases landed on September 22, 2026 and September 19, 2026 respectively.
| Parameter | SIG BDX | Eagle23 |
|---|---|---|
| Price | Free | Free |
| Rating | 3.4 (68 ratings) — better | — |
| Positive reviews | 33.3% of reviews | — |
| Number of ratings | 68 — better | — |
| Update frequency | Every 3 weeks — better | Every 14 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 16.0 — better | 16.3 |
| Further details — not scored | ||
| Size | 137 MB | 7 MB |
| Age rating | 4+ | 12+ |
| Developer | Sig Sauer, Inc. | Precision Targeting, LLC |
In-app purchases
SIG BDX
No in-app purchases
Eagle23
No in-app purchases
