Comparison

SIG BDX vs FX Radar

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

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.

Highlights
  • Sync rangefinder with riflescope
  • Display illuminated holdover dot
  • Measure target distance
  • Ballistic data integration
  • Connect The Dot™ system
Features
Read 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

About

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.

Highlights
  • 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
Features
Read full description

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

SIG BDX4 screens
FX Radar3 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

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.

UpkeepUpdate frequency

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.

Scorecard2 real differences · 8 level
SIG BDX versus FX Radar: the parameters behind the verdict, then further details
ParameterSIG BDXFX Radar
PriceFreeFree
Rating3.4 (68 ratings) — better3.2 (44 ratings)
Positive reviews33.3% of reviews41.5% of reviews — better
Number of ratings68 — better44
Update frequencyEvery 3 weeks — betterMonthly
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS16.015.0 — better
Further details — not scored
Size137 MB44 MB
Age rating4+17+
DeveloperSig Sauer, Inc.EX Corporation Oy

Customer experience

SIG BDX

All ratings68 ratings
Positive50.0%
Neutral20.6%
Negative29.4%
Written reviews42 reviews
Positive33.3%
Neutral21.4%
Negative45.2%

FX Radar

All ratings44 ratings
Positive47.7%
Neutral15.9%
Negative36.4%
Written reviews65 reviews
Positive41.5%
Neutral16.9%
Negative41.5%

In-app purchases

None

SIG BDX

No in-app purchases

None

FX Radar

No in-app purchases

Questions

Is SIG BDX free?
SIG BDX is free to download, with no in-app purchases.
Is FX Radar free?
FX Radar is free to download, with no in-app purchases.
Which has better reviews, SIG BDX or FX Radar?
SIG BDX is rated higher. SIG BDX averages 3.4 out of 5 from 68 ratings, while FX Radar averages 3.2 from 44 ratings.
Do SIG BDX or FX Radar have ads?
Neither SIG BDX nor FX Radar shows ads.
Which is updated more often, SIG BDX or FX Radar?
SIG BDX ships an update every 3 weeks, and FX Radar monthly. Most recently, SIG BDX was updated on October 22, 2026 and FX Radar on October 21, 2026.

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