01 / Before you go
Plan
Solve the trajectory, build the card for the distances that matter, and print the targets you'll be shooting.
Works with no signal
Your dope, your groups, your logbook — on the firing point
A ballistic calculator, range-card builder, group analyser and range logbook that keep working when the phone signal doesn't.
- No account
- Free, no feature gates
- Data stays on your device
One workflow, three stages
Every tool in the app belongs to one of these. Pick where you are today.
02 / On the range
Shoot
Run your stage clock, log each string as you fire it, and check the group without packing up.
03 / After
Review
True your solver against real impacts, share a card with a shooting partner, and sync across devices.
Measure the group before you leave the range
Photograph the target, set the scale off a known dimension, tap each impact. You get extreme spread, mean radius and the correction to dial — while you can still shoot another string to check it.
See how group analysis worksFree
No subscription, no feature gates on the core tools.
On-device
Data leaves your device only if you turn on sync yourself.
Offline
Works at the range with no signal once it has loaded the first time.
Installs
Add it to the home screen and it launches without a browser bar.
Build your first card in about two minutes
Bring your ammo box, your zero and your scope's click value. That's all it needs.