Your phone is the alignment rig.

PocketAlign turns one Android phone into a precision 4-wheel alignment tool — toe, camber, caster and thrust angle on a flat floor, no bench and no special hardware.

Download APK · 9 MB How to install

Build

#14

Version

1.0.14

Released

2026-07-28

Measures

Toe · individual & total Camber · per wheel Caster · steering sweep Thrust angle · 5-point Ackermann

Track tools — no download needed

Setup calculators

Gear ratio against tire diameter, launch weight transfer, and boost vs fuel demand.

Corner weight & ballast planner

Cross, left-side and rear percentages from your scale pads, and where the ballast goes.

Parachute packing guide

The Stroud Safety packing sequence, step by step, for reading in the pits.

Install in three steps

Download the APK

Tap Download APK above on your Android phone. It saves to your Downloads.

Allow the install

Open the file. If prompted, let your browser or Files app install unknown apps this once.

Open & calibrate

Launch PocketAlign, run Calibrate Level Mount on a flat surface, and start measuring.

Updating? Just download the latest APK and open it — it installs over your existing copy and keeps your calibration and saved sessions. Same signing key, so no uninstall needed.

Latest build

Build #14 · b23a843 — Add track tools: setup calculators, ballast planner, chute packing guide