Comparison

BulletDrop+ vs KILO2400ABS

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

Head to head
About

BulletDrop+

Calculate bullet trajectory, energy, and drift with precise inputs. Store custom loads, fetch weather data, and choose output units for accurate shooting predictions. Ideal for handloaders and shooters to understand cartridge performance.

Highlights
  • External ballistics calculation
  • iCloud support for load data
  • Store commonly used datasets
  • Selectable drag function
  • Selectable output units (inches, MOA, mils)
  • Fetch weather conditions
Features
Read full description

A simple, easy to use external ballistics calculator. It accepts inputs of bullet weight, ballistic coefficient, muzzle velocity, sight height, zero range, wind speed & angle, etc and calculates velocity, energy, flight path, and drift. Features: * iCloud support. Store load data on iCloud and have it available on all your iCloud-enabled iOS devices. * Clean & simple user interface. * Store commonly used datasets. * Selectable drag function for ballistic coefficients calculate based upon models. * Selectable output units: inches, MOA, & mils. * Selectable max range and range increments under Settings. * Fetch weather conditions for your location. BulletDrop+ is intended for hand loaders and shooters of all varieties. It give them an idea what various cartridges and load recipes will do at the range. As alway, the information provided by BulletDrop+, or any other calculator, is no substitute for actual range time. Get out and shoot!

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

BulletDrop+4 screens
KILO2400ABS4 screens

Verdict

The call

The clearest difference is in-app purchases: KILO2400ABS at none against BulletDrop+'s 6. KILO2400ABS also leads on update cadence (every 5 weeks vs every 4 months) and iOS requirement (9.0 vs 13.0). BulletDrop+'s advantage is review sentiment (51% vs 36%) and ratings volume (76 vs 12). On price, rating, 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. BulletDrop+ sells 6 one-off in-app purchases. KILO2400ABS asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 3.9 for BulletDrop+ against 3.9 for KILO2400ABS. That said, the two scores are not equally well evidenced: BulletDrop+ has 76 ratings behind it against 12, so its average is the more settled of the two. Written reviews are what separate them: 51% of BulletDrop+'s written reviews are positive against 36% of KILO2400ABS's.

UpkeepUpdate frequency

BulletDrop+ ships an update every 4 months, KILO2400ABS every 5 weeks. The most recent releases landed on October 17, 2026 and October 16, 2026 respectively.

Scorecard6 real differences · 4 level
BulletDrop+ versus KILO2400ABS: the parameters behind the verdict, then further details
ParameterBulletDrop+KILO2400ABS
PriceFreeFree
Rating3.9 (76 ratings)3.9 (12 ratings)
Positive reviews51.4% of reviews — better36.4% of reviews
Number of ratings76 — better12
Update frequencyEvery 4 monthsEvery 5 weeks — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS13.09.0 — better
Further details — not scored
Size2 MB22 MB
Age rating4+17+
DeveloperMark DescalzoSig Sauer, Inc.

Customer experience

BulletDrop+

All ratings76 ratings
Positive68.4%
Neutral13.2%
Negative18.4%
Written reviews74 reviews
Positive51.4%
Neutral18.9%
Negative29.7%

KILO2400ABS

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

In-app purchases

6 purchases

BulletDrop+

One-time6
  • Chocolate Bar$0.99
  • Cup of Coffee$1.99
  • Doughnut$2.99
Show 3 more
  • Coffee-themed Beverage$4.99
  • Bag of Coffee$14.99
  • Sack of Coffee$29.99
None

KILO2400ABS

No in-app purchases

Questions

Is BulletDrop+ free?
BulletDrop+ 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, BulletDrop+ or KILO2400ABS?
BulletDrop+ and KILO2400ABS are both rated 3.9 out of 5 on the App Store, from 76 and 12 ratings respectively.
Do BulletDrop+ or KILO2400ABS have ads?
Neither BulletDrop+ nor KILO2400ABS shows ads.
Which is updated more often, BulletDrop+ or KILO2400ABS?
BulletDrop+ ships an update every 4 months, and KILO2400ABS every 5 weeks. Most recently, BulletDrop+ was updated on October 17, 2026 and KILO2400ABS on October 16, 2026.

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