SIG BDX vs Ballistic X
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
Ballistic X
This app helps shooters calculate shot groups and zero their rifles with an intuitive interface. It offers features for load development and precise turret adjustments, supporting various units and target types. An optional upgrade unlocks advanced statistical analysis tools.
- Shot group calculation
- Rifle zero adjustment (ATZ)
- Load development data
- MOA/MIL or INCH/CM support
- Advanced statistical analysis (In-App Purchase)
- Cross-device sync (optional)
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Ballistic-X: The Easiest Way to Calculate Shot Groups and Zero Your Rifle! Designed by shooters, for shooters, Ballistic-X offers a simple, intuitive interface allowing users to customize their experience through the Options Menu. Whether you prefer MOA/MIL or INCH/CM, the app works seamlessly with any target, including Steel. Key Features: - Included: Gain access to the core functionality of Ballistic-X with a single purchase. No subscriptions required for full access to essential tools! - Sync settings across multiple devices by signing in (optional, not required to use the app). - Offers useful data and labeling options that aid in Load Development. - The ATZ (Adjustment To Zero) feature helps you precisely adjust your turrets to bring your rifle to zero, saving you rounds and time. ATZ works dynamically at any range and supports all turret options. Simple Workflow: - Take an image of your target (within the app or from your library) - Designate reference size via Settings (default is 1") - Mark two points on the target corresponding to the reference (for grid or steel targets) - Input the distance from the target - Select the caliber used - Mark Point of Aim and Impacts - Add overlay, label, crop, and export/share - Adjust your optic according to ATZ Upgrade to the Advanced Toolkit (In-App Purchase): Unlock additional pro-level features with the Advanced Toolkit: Advanced Overlay Display Options: - Mean Radius - Circular Error Probable (CEP) - Radial Standard Deviation (SD) - Vertical SD - Horizontal SD - Mean Windage - Mean Elevation - Impact Selector - Export to CSV for further data analysis Ballistic-X is a community-driven app, committed to providing the best user experience possible, along with unbeatable customer service. Join the Ballistic-X community today and elevate your shooting precision! Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://www.ballistic-x.com/privacy.html
Screenshots
Verdict
The clearest difference is price: SIG BDX at Free against Ballistic X's $7.99. SIG BDX also leads on in-app purchases (none vs 1). Ballistic X's advantage is rating (3.8 vs 3.4) and review sentiment (56% vs 33%). On ratings volume, update cadence, ads 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
SIG BDX is free to download; Ballistic X costs $7.99 up front. Ballistic X sells 1 in-app purchase, starting at $9.99 per year. SIG BDX asks for nothing beyond the download.
Ballistic X holds the better App Store score, 3.8 against 3.4. Both are backed by a comparable volume of ratings — 69 and 170 respectively. Written reviews point the same way: 33% of SIG BDX's written reviews are positive against 56% of Ballistic X's.
Both ship on a similar rhythm, roughly every 3 weeks. Both last shipped on November 14, 2026.
| Parameter | SIG BDX | Ballistic X |
|---|---|---|
| Price | Free — better | $7.99 |
| Rating | 3.4 (69 ratings) | 3.8 (170 ratings) — better |
| Positive reviews | 33.3% of reviews | 56.2% of reviews — better |
| Number of ratings | 69 | 170 — better |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Free with in-app purchases |
| Best chart rank | — | #6 — better |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 16.0 — better | 16.4 |
| Further details — not scored | ||
| Size | 137 MB | 111 MB |
| Age rating | 4+ | 4+ |
| Developer | Sig Sauer, Inc. | Nomad Innovations, LLC |
Customer experience
SIG BDX
Ballistic X
User reviews
SIG BDX
From 69 App Store ratingsWhat we love
- 👍 Accurate rangefinding
- 👍 Works well with BDX system
- 👍 Easy to sync with devices
- 👍 Versatile scope options
- 👍 Solid technology for hunting
Room to improve
- 🐛 App is slow and buggy
- 🐛 Live stream unreliable
- 🐛 Latency issues
- 🐛 Janky controls and look
- 🐛 App crashes frequently
Ballistic X
From 170 App Store ratingsWhat we love
- 🚀 Easy to use
- 👍 Accurate measurements
- 💡 Useful for load development
- 🚀 Simple and intuitive workflow
- 💡 Helpful for zeroing rifles
Room to improve
- 🐛 Crashes and bugs
- 💰 Requires subscription for advanced features
- 🔒 Forced login requirement
- 🔍 Small overlay text
- 🔍 Difficult to use without 1-inch reference
Bugs and requests
SIG BDX
Reported bugs
16 issues- Time not synching on Echo MV50
- App crashes on gun profile
- Elevation data truncation bug
- Windage direction bug
- Rangefinder pairing crashes app
Show 11 moreShow fewer
- MV-Temp table bug (cannot enter temperature)
- Bluetooth disconnects after a few seconds
- App crashes when trying to retrieve videos/images
- Exported range card numbers differ from email
- Cannot switch between custom load data profiles after update
- Kilo1800 BDX will not pair
- Firmware does not work
- Decimal input uses comma instead of point
- MV-Temp Table doesn't store temperature input
- Ballistic program loses accuracy past 400 yards
- Rangefinder calculates ranges up to 800 yards, but app limits calculations to 800 yards
Requested features
18 requests- Add option to add bows
- Allow plugging in ballistics without Bluetooth
- More ballistic options/pre-sets
- Modernize UI
- Add Apple Watch support
Show 13 moreShow fewer
- Add database for airgun pellets/slugs
- Add canted sight base option
- Add scope height input
- Add MOA scope mount option
- Add barometric pressure input
- Add humidity input
- Allow ballistic calculations over 800 yards
- Add option to rename paired devices
- Ability to sort profiles by name/caliber
- Add 7mm PRC and 8.6 Blackout calibers
- Provide firmware update release notes
- Add alternate ballistic reticle choices for Echo CV25
- Add option to plug in values on ballistics page without Bluetooth connection
Ballistic X
Reported bugs
4 issues- Crashes on launch
- Photos rotate incorrectly
- Overlay data not saving properly
- Compatibility issues with older devices
Requested features
6 requests- Automatic impact detection
- Ability to combine multiple groups on one target
- More caliber options
- Customizable overlay colors
- Ability to rotate and adjust photos before overlay
Show 1 moreShow fewer
- Statistical analysis of group variation
In-app purchases
SIG BDX
No in-app purchases
Ballistic X
- Advanced Toolkit Yearly$9.991 Year






