Network Scan
Discover devices on your Wi-Fi, diagnose network problems, and open a real SSH terminal from your iPhone.
- Fast local network discovery
- Ping, DNS, ports, and service banners
- Full interactive SSH terminal
- No in-app account or tracking
Software
Apps
Focused tools for iPhone, designed, built, and shipped end to end by SEM LLC.
Featured products
Built for real work and deliberate practice.
Morse Coach
Learn Morse code by ear, build fast recognition, and practice a clean sending rhythm with a coach that adapts to every mistake.
- Sound-first Koch lessons
- Adaptive mistake coaching
- Graded tap-key and paddle practice
- No account, ads, or tracking
Learn more
Coming soon to the App Store
In development
The next set of focused tools.
Products currently being designed and built. Availability and final feature sets may change before release.
Ecliptica
Private natal charts, current transits, and synastry calculated entirely on your iPhone.
Learn more →TapeMath
A focused tape-style calculator for building, reviewing, and reusing running calculations.
VoltMath
Practical electrical calculations organized for fast, reliable field use.
FitterMath
Pipefitting calculations for layout, fabrication, and work in the field.
Migraine Tracker
A calm way to capture symptoms, triggers, relief, and the patterns behind them.
PhotoLift
AI-assisted photo enhancement and organization that keeps the photograph honest.