JZA Applications

Sharp tools for sharp people.
Precision engineered with an obsession for detail.
Private by design. Your data stays on your device.
Made independently in New Zealand.

01 · Apple Watch · iPhone · iPad

PowerGlass

Battery life in hours, not percent — a live prediction learned from how you actually use your devices, on Apple Watch, iPhone and iPad.

About Support Privacy

02 · iPhone · LiDAR

POINTFOUNDRY

Room & object 3D scanner — capture spaces with LiDAR and objects with TrueDepth, then export to OBJ and STL. Everything stays on your device.

About Support Privacy

03 · Apple Watch · iPhone

GHOSTDELTA

A precision GPS tracker for outdoor sport — mountain biking, skiing, hiking, motorcycling, karting, boating and more. Record on Apple Watch, analyse on iPhone. Define a Stage on any trail and GhostDelta times every run against your best — live, sector by sector, with the delta on your wrist while you're still moving.

About Support Privacy

10:09

StagesDelta

Ridgeline DH

00:00 —

------

3 stages · 1 PB

Mountain Trail→ Fwd

Travelled

1.16km

Remaining

1.74km

↑ Ascent

56m

of 85m

↓ Descent

13m

of 28m

▲ Next

340m

Gain

56m

Gradient

LapsDelta

Lap 4

0:00.0 —

------

3 laps · best 1:38.4

Lap 4 1:37.9 Best lap −0.5 s

Stage timing Navigation Circuit laps

04 · iPhone

BananaBomb

Swipe-based photo cleaning with on-device AI — peel the keepers, bomb the rest, reclaim your storage. Barry supervises.

About Support Privacy

05 · iPhone

BikeSpec

Bike details, setups, service records and photos — kept on your device and in your own iCloud. Scan a spec sheet with the camera and every measurement lands in the right field.

About Support Privacy

Setups tracked against your baseline — dialled, above, or below.

All apps

PowerGlass

PointFoundry

GhostDelta

BananaBomb

BikeSpec

Contact

For anything at all: jza.applications@gmail.com