FX Radar companion for FX Pocket Chronograph: velocity, energy and shot stats.
FX Pocket Lite — description
FX Pocket Chrono is the companion app for the FX Pocket Chronograph — a compact Doppler radar device that measures projectile velocity with precision.
Instant Velocity Readings See your shot velocity the moment it's fired. The app connects wirelessly via Bluetooth to your FX Pocket Chronograph and displays readings in real-time. Toggle between feet per second (fps) and meters per second (m/s) with a single tap.
Energy Calculations Know the impact energy of every shot. Enter your projectile weight and the app automatically calculates kinetic energy in foot-pounds (ft-lbs) or Joules. Perfect for tuning your airgun or verifying compliance with field limits.
Session Statistics Track your consistency with automatic statistics: • Average velocity across all shots • Extreme Spread (ES) — the difference between fastest and slowest • Standard Deviation (SD) — your shot-to-shot consistency
Shot History Every shot is logged with its timestamp and velocity. Scroll through your session to review individual shots, identify outliers, or track changes as you tune your setup.
Session Management Save and review past sessions. Compare your performance across different days, pellet types, or power settings. Each session stores all shots with full statistics.
Supported Devices • FX Pocket Chronograph V2 • FX Pocket Chronograph D1 (MkIII)
Perfect For • Airgun rifles and pistols • Paintball markers • Airsoft guns • Slingshots and catapults • Archery (with compatible arrows)
Key Features ✓ Real-time Bluetooth connectivity ✓ Velocity in fps or m/s ✓ Energy in ft-lbs or Joules ✓ Automatic statistics (Avg, ES, SD) ✓ Session history with full shot logs ✓ Dark theme for outdoor visibility ✓ Battery level indicator ✓ Auto-reconnect to your device
No account required. No ads. Just accurate velocity data when you need it.
Latest version
Version
1.2.0
Update
Aug 10, 2026
Package ID
com.fxairguns.fxpocketchrono
What's new
Aug 10, 2026
Now in nine languages: Czech, English, Finnish, French, German, Italian, Polish, Spanish and Swedish. Pick yours from the globe in the bottom bar, or let it follow your phone.
Numbers and dates in your own format, and metric units by default outside English.
New: a short intro on first launch.
Fixes: • The Δ badge flagged ordinary shots as outliers — a two-shot string always warned. The tolerance is now realistic. • The shot counter showed "#5 / 5"; it now shows the shot number.