Comparison

AB Quantum vs KILO2400ABS

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

Head to head
About

AB Quantum

This app provides a comprehensive ballistics solver and profile management tool for long-range shooting. It features a new user interface designed for single-handed use, enabling quick solutions and seamless integration with Bluetooth-enabled devices. Users can sync gun profiles, create customizable range cards, and access an updated reticle library.

Highlights
  • Ballistics solver
  • Profile management
  • Bluetooth device integration
  • Customizable range/target cards
  • Reticle library
  • Ballistic truing
  • Chronograph integration
Features
Currently charting
Read full description

Applied Ballistics Quantum™ is a state-of-the-art app integrating the most complete ballistics solver and profile management tool for long-range shooting. Featuring an all new user-interface, AB Quantum™ includes a host of new tools and features that will enable shooters and hunters to be more successful in the field. AB Quantum™ creates a new paradigm for ballistic solvers and integration with Bluetooth®-enabled devices. With a host of new features, the platform is designed to save time and add performance for users of all skill levels. The all new user-interface is designed with single-handed use in mind, putting all major features just a swipe or tap away from any screen, which allows users to rapidly obtain solutions in the field or at a match. The simplicity and versatility of the app interface creates an intuitive experience for both new and experienced users. Two new features - AB Quantum Connect™ and AB Quantum Sync™ - enable users to quickly connect to other AB-enabled devices and sync gun profiles between them in seconds, as well as back those profiles up to an encrypted server for peace of mind and easy restoration. The new platform automatically saves changes made to rifle profiles and updates connected devices without the user needing to do anything. For competitors or hunters, AB Quantum™ includes customizable Range and Multi-Target tables. This allows users to lay out the displayed information to exactly what they need to hit their target. After creating a range or target card, it can easily be shared via email. Built with the future in mind, the new AB Quantum™ platform allows for continuous innovation. At launch the following new features will be available: • AB Quantum™ User Interface - Take control of ballistic data and find solutions with ease using the new layout designed with one-handed operation in mind. • New Bluetooth® Device Manager - Find and connect AB Bluetooth® devices quickly and send data between devices using AB Quantum Connect™. • AB Quantum Sync™ - User gun profiles are automatically uploaded to an encrypted server to allow easy access for other devices and backup, providing peace of mind and security. • Customizable Range Card and Target Card Modes - The new expandable and customizable range and target card modes allow users to select what data to see for each Range or Target. Use the share function to send range and data cards in just seconds. • New Reticle Library - The AB Reticle library is hosted online and updates in AB Quantum™ automatically, providing users with up-to-date solution drawing for their favorite rifle scopes. • Improved Truing Interface - Easy to access ballistic truing features without leaving solution screens. • Chronograph Integration - Connect Bluetooth®-enabled chronographs - such as the Optex Systems SpeedTracker™ - directly to the app and save the velocity data to rifle profiles.

About

KILO2400ABS

This companion app connects to a laser rangefinder to manage gun profiles, view real-time data, and adjust target and environmental parameters. Access a library of ballistic drag curves for enhanced accuracy.

Highlights
  • Gun profile management
  • Applied Ballistics calculator
  • Onboard environmental sensors
  • Bluetooth connectivity
  • Head's Up Display
  • Environment and target variable editing
Features
Read full description

Congratulations on the purchase of your SIG SAUER® KILO2400ABS Laser Rangefinder. The KILO2400ABS is the world’s most advanced rangefinder featuring an embedded Applied Ballistics calculator, onboard environmental sensors and Bluetooth for synchronizing custom profiles with a free, downloadable ballistic app for your iOS device. The KILO2400ABS application is the companion for the laser rangefinder. This application is used to connect to the KILO2400ABS to manage all gun profiles, view an advanced Head’s Up Display with the current information on the laser rangefinder, and override or set all target and environmental parameters. Gun profile management includes access to the entire library of Applied Ballistics custom drag curves providing superior accuracy at the maximum range of the laser rangefinder. Features -------------------------------------------- Head’s Up Display - Remotely view the range to target, the elevation and windage holds, and all pertinent information for your shot. Environment and Target Variable Editing - Utilize an advanced graphical interface to easily view all of the KILO2400ABS sensor readings, sync the wind from your WeatherFlow weather meter, and override any environmental or target parameters. Gun Profile Management - Upload and manage all of your gun profiles. Full access to the Applied Ballistics G1, G7, and custom drag curve library of bullets is available.

Screenshots

AB Quantum4 screens
KILO2400ABS4 screens

Verdict

The call

The clearest difference is rating: AB Quantum at 4.7 against KILO2400ABS's 3.9. AB Quantum also leads on ratings volume (2.7K vs 12) and update cadence (fortnightly vs every 5 weeks). KILO2400ABS's advantage is in-app purchases (none vs 15) and iOS requirement (9.0 vs 16.0). On price, 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. AB Quantum sells 15 in-app purchases, starting at $2.99 per month. KILO2400ABS asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

AB Quantum holds the better App Store score, 4.7 against 3.9. That said, the two scores are not equally well evidenced: AB Quantum has 2.7K ratings behind it against 12, so its average is the more settled of the two. Written reviews point the same way: 45% of AB Quantum's written reviews are positive against 36% of KILO2400ABS's.

UpkeepUpdate frequency

AB Quantum ships an update fortnightly, KILO2400ABS every 5 weeks. The most recent releases landed on September 29, 2026 and August 12, 2026 respectively.

Scorecard8 real differences · 3 level
AB Quantum versus KILO2400ABS: the parameters behind the verdict, then further details
ParameterAB QuantumKILO2400ABS
PriceFreeFree
Rating4.7 (2.7K ratings) — better3.9 (12 ratings)
Positive reviews44.7% of reviews — better36.4% of reviews
Number of ratings2.7K — better12
Update frequencyFortnightly — betterEvery 5 weeks
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
Best chart rank#126 — better—
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS16.09.0 — better
Further details — not scored
Size299 MB22 MB
Age rating4+17+
DeveloperApplied BallisticsSig Sauer, Inc.

Customer experience

AB Quantum

All ratings2,695 ratings
Positive93.8%
Neutral2.0%
Negative4.2%
Written reviews253 reviews
Positive44.7%
Neutral11.9%
Negative43.5%

KILO2400ABS

All ratings12 ratings
Positive66.7%
Neutral16.7%
Negative16.7%
Written reviews11 reviews
Positive36.4%
Neutral27.3%
Negative36.4%

Bugs and requests

AB Quantum

Reported bugs

4 issues
  • Bullet BC not retaining custom values
  • Profiles disappearing after updates
  • Atmospheric data not syncing correctly
  • Ballistics calculations not matching real-world data

Requested features

5 requests
  • Apple Watch app
  • More reticle options
  • Metric unit support
  • Backup and restore functionality
  • Improved range card and target card features

KILO2400ABS

Not enough reviews yet to summarise bugs or requests.

In-app purchases

15 purchases

AB Quantum

Subscriptions4
  • Elite Monthly$2.991 Month
  • Professional Monthly$3.991 Month
  • Elite Annual$19.991 Year
Show 1 more
  • Professional Annual3 Days trial$29.991 Year
One-time11
  • Custom Drag Model (CDM) for Berger 0.264cal 140gr Target Hybrid$1.99
  • Custom Drag Model (CDM) for Sierra 0.308cal 175gr MatchKing$1.99
  • Custom Drag Model (CDM) for Hornady 0.264cal 140gr ELD Match$1.99
Show 8 more
  • Custom Drag Model (CDM) for Hornady 0.264cal 143gr ELD X$1.99
  • Custom Drag Model (CDM) for Hornady 0.264cal 147gr ELD Match$1.99
  • AB Caliber 0.224 CDMs$9.99
  • AB Caliber 0.243 CDMs$9.99
  • AB Caliber 0.264 CDMs$9.99
  • AB Caliber 0.284 CDMs$9.99
  • AB Caliber 0.308 CDMs$9.99
  • AB Caliber 0.338 CDMs$9.99
None

KILO2400ABS

No in-app purchases

Questions

Is AB Quantum free?
AB Quantum is free to download, with in-app purchases available.
Is KILO2400ABS free?
KILO2400ABS is free to download, with no in-app purchases.
Which has better reviews, AB Quantum or KILO2400ABS?
AB Quantum is rated higher. AB Quantum averages 4.7 out of 5 from 2.7K ratings, while KILO2400ABS averages 3.9 from 12 ratings.
Do AB Quantum or KILO2400ABS have ads?
Neither AB Quantum nor KILO2400ABS shows ads.
Which is updated more often, AB Quantum or KILO2400ABS?
AB Quantum ships an update fortnightly, and KILO2400ABS every 5 weeks. Most recently, AB Quantum was updated on September 29, 2026 and KILO2400ABS on August 12, 2026.

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