It's essential 24 utility tools using device's hardware and sensors.

in Tool Box...
- Compass : Using magnetic sensor.
- Leveler : Measure gradent of x, y, z axis.
- Length measuring tools : Measure length using touch screen or acceleration sensor.
- Protractor : Measure degree using touch screen, acceleration sensor or magnetic sensor.
- Vibrometer : Measure vibration using acceleration sensor.
- Magnetic field Detector : Measure Magnetic field using magnetic sensor.
- Altimeter : Notifiy current Altimeter using gps infomation.
- Tracker : Indcate and Record tracking path.
- Heart Rate Monitor : Measure Heart Rate using camara.
- Decibel Meter : Measure Sound Volume using microphone.

- Flash Light : Emergency Flash Light using camera flash LED.
- Unit Converter : Convert various unit of length, mass, weight, currency and more.
- Magnifier : Expand camera stream image.
- Calculator : Traditional Calculator.
- Abacus : Screen touchable Abacus.
- Counter : A count of something and displays the total.
- Score Board : Indicate and count Score of various sports.
- Roulette : Helper of Selecting.
- Barcode Reader : Barcode, QR code, Metrix Reader using camera.
- Mirror : Mirror using front camera.
- Tuner : Indicate frequency of current sound and

- Stopwatch : Measure finish time, lap time and make list file.
- Timer : Alarm remain time.
- Metronome : Make drum beat and play by BPM.

If you have "Tool Box", you don't need to wonder in the market anymore.

"Tool Box" will help you anytime you want.

It's Free Ver. and includes AD.

Recent changes:
Max Tracker
- Implemented saving and loading files using Storage Access Framework (SAF).
- Delete WRITE_EXTERNAL_STORAGE, READ_EXTERNAL_STORAGE permissions.
- Fixed an issue where some devices could not record the location when the screen was turned off.

Max Magnifier, Max Mirror
- Implemented saving captured image file using Storage Access Framework (SAF).
- Delete WRITE_EXTERNAL_STORAGE permissions.

and more