Chronverter

Ballistics Velocity Calculator

Free · Designed for iPad. Not verified for macOS.

Chronverter is the essential tool for air gun and airsoft enthusiasts who need fast, accurate ballistics conversions on the field or at the range. Point your chronograph, enter the reading, and instantly see how your muzzle velocity translates across every common ammo weight — all in one clean, tactical interface. What It Does Feed Chronverter a single velocity reading and it calculates the equivalent speed and muzzle energy for every ammo weight you care about, using the industry-standard kinetic energy conversion formula. No more mental math. No more spreadsheets. Key Features - Instant multi-weight conversion — See FPS, M/S, and Joules for all your ammo weights simultaneously in a clean, colour-coded table - FPS & M/S support — Switch between feet-per-second and meters-per-second with a single tap; input and output update instantly - Reference-row highlighting — The weight you measured is highlighted in amber so you can always see your baseline at a glance - Custom ammo weights — Add or remove weights to match your exact loadout; changes are saved automatically - Persistent settings — Your last-used ammo weight, velocity unit, and caliber are remembered between sessions - Caliber tracking — Log your barrel bore diameter in millimeters using the precision stepper or by typing directly - Minimal, high-contrast UI — Designed for bright outdoor conditions with a dark tactical theme and large, readable numbers - Chronograph Link — Connect Chronverter directly to your HT-X3005 or HT-X3006 WiFi chronograph and watch your shots come in live Who It's For - Airsoft players verifying field limits before a game - Air gun shooters comparing pellet performance - Tech players and gun tuners optimizing velocity for different ammo weights - Event referees or marshals performing quick field checks

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Connect Chronverter directly to your HT-X3005 or HT-X3006 WiFi chronograph and watch your shots come in live — no more squinting at a tiny screen or writing numbers on your hand. • Real-time shot readout over WiFi • Running stats: average, min/max, spread, and standard deviation • Shot history at a glance • Your selected BB weight carries over from the Converter tab, so FPS and joules stay in sync Added Google Admob Added support to iOS 18

Version 1.0.2

The developer, Arthur Christopher Belmonte, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .

  • Data Not Collected

    The developer does not collect any data from this app.

    Privacy practices may vary, for example, based on the features you use or your age. Learn More

    Accessibility

    The developer has not yet indicated which accessibility features this app supports. Learn More

    Information

    Seller
    • Arthur Christopher Belmonte
    Size
    • 4.2 MB
    Category
    • Utilities
    Compatibility
    Requires iOS 18.0 or later.
    • iPhone
      Requires iOS 18.0 or later.
    • iPad
      Requires iPadOS 18.0 or later.
    • Mac
      Requires macOS 15.0 or later and a Mac with Apple M1 chip or later.
    • Apple Vision
      Requires visionOS 2.0 or later.
    Languages
    • English
    Age Rating
    4+
    Copyright
    • © 2026 ABSoftware
  • Developer Website
  • Privacy Policy

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