More projects are being built.
New work will appear here when it is ready. No hype. No placeholder promises.
Featured release
Shot Group Tracker
A focused Android utility for recording shooting sessions, analyzing photographed targets and building a useful performance history.
Android app
Track the session.
Understand the result.
Mark the aim point and each shot yourself, estimate group measurements, compare sessions and keep the details that matter together.
GET IT ONGoogle Play ↗- 01Target photo analysis
- 02Manual aim-point and shot marking
- 03Estimated group size and MOA
- 04Multi-group sessions with per-group photos and calibration
- 05Loadout and equipment tracking
- 06Shooting statistics and SGR history
- 07Ammunition and reloading records
- 08Session reports, sharing, backup and restore
Private by design.Records stay on your device. No accounts, cloud synchronization or advertising.
Inside the app
Built for the whole session.
Swipe or scroll to explore the supplied app screens.
Projects
Software with a purpose.
A growing collection of apps, tools, utilities and digital experiences from JL.
Development philosophy
Start with the problem.
Keep the solution useful.
Practical by default
Build around a real need, not a feature checklist.
Clear in use
Clean interfaces and thoughtful workflows keep the tool out of the way.
Respect the user
Local-first design where appropriate, with no unnecessary tracking.
About JL
Independent by design.
JL is an independent software-development brand focused on creating useful apps, tools and digital experiences.
The aim is straightforward: take worthwhile ideas, shape them with care, and build software people actually want to use. The work can span mobile apps, utilities, games and whatever useful problem comes next.
Support & contact
Need a hand?
For Shot Group Tracker support, product questions or general enquiries, send an email and include as much detail as you can.
shotgrouptracker@gmail.comPrivacy & legal
Plain and transparent.
Shot Group Tracker keeps records locally on your device and does not require an account. Read the full policy for details about how the app handles information.
Shot Group Tracker Privacy Policy