SIG BDX vs FX Radar
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
FX Radar
This app records ballistic data from supported chronographs, allowing users to track pellet, BB, arrow, and paintball speeds. Create profiles for different testing scenarios, export data for analysis, and receive audio feedback for each shot.
- Real-time shot recording
- Audio shout-outs for shots
- Profile creation for settings
- Data export to clipboard
- Multiple unit readouts (FPS, MPS, FT Lbs, Joules, KMPH)
- Radar return adjustment
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Ballistic APP for FX Radar Chronographs Supported devices (FX Airguns and FX Outdoors) : FX True Ballistic Chronograph FX Pocket Chronograph FX Archery Chronograph FX Pocket Chronograph V2 FX Pocket Chronograph D1 Description for Pocket Chronograph: Using the first ever pocket radar ballistic chronograph from FX Airguns of Sweden, this ballistic app enables the recording of data from 20 fps to 1100 fps. Ever wanted to know the speed of your pellet, BB, Arrow or Paintballs, then this app will allow you to create profiles and store data from all your testing and tuning. Vocal shout outs for each shot can enable smooth target grouping at the range, just listen to the result and don’t take your eye off the target. Export the data strings for further evaluation, save and record your days testing using the profile function. It’s easy to check your power, take the FX Chronograph out of your pocket, start Bluetooth and start the app on your phone Now you can check your power while zeroing and shooting groups. Features Include: Realtime record of shots Clear display of shot strings Audio shout out’s, switchable OFF and ON Profile Creation – Remember settings for easy recall Easy to select velocity ranges Scope Bore Height input (for future development) Input of Pellet data for profiles Multiple Unit Read Outs – FPS / MPS / FT Lbs / Joules / KMPH Radar Return adjustment for sensitivity Shot Count Data exportable to clipboard Instructions via FX Airguns website, link within the APP Developments for future versions will be available and registration within the app is suggested to enable update notifications. ** Voice shout outs not enabled on FT Lbs and Joules Instructions via FX Airguns website, link within the APP FX Airguns Chronograph is available from any authorised FX Airguns dealer. See FX Airguns website for further details http://www.fxairguns.com
Screenshots
Verdict
The clearest difference is rating: SIG BDX at 3.4 against FX Radar's 3.2. FX Radar's advantage is review sentiment (42% vs 33%). On price, ratings volume, 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.
SIG BDX holds the better App Store score, 3.4 against 3.2. Both are backed by a comparable volume of ratings — 68 and 44 respectively. Written reviews complicate that: 33% of SIG BDX's written reviews are positive against 42% of FX Radar's, so the app with the better star average is not the one people write more warmly about.
SIG BDX ships an update every 3 weeks, FX Radar monthly. The most recent releases landed on October 22, 2026 and October 21, 2026 respectively.
| Parameter | SIG BDX | FX Radar |
|---|---|---|
| Price | Free | Free |
| Rating | 3.4 (68 ratings) — better | 3.2 (44 ratings) |
| Positive reviews | 33.3% of reviews | 41.5% of reviews — better |
| Number of ratings | 68 — better | 44 |
| Update frequency | Every 3 weeks — better | Monthly |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 16.0 | 15.0 — better |
| Further details — not scored | ||
| Size | 137 MB | 44 MB |
| Age rating | 4+ | 17+ |
| Developer | Sig Sauer, Inc. | EX Corporation Oy |
Customer experience
SIG BDX
FX Radar
In-app purchases
SIG BDX
No in-app purchases
FX Radar
No in-app purchases









