"Toolbox" is a set of handy and elegant measuring tools kit. It turns your smart device into a swiss-army-knife that measure everything you will ever need.

Currently, there are 14 metering tools in the tool box:

- BAROMETER
It gives you a nice and clear local atmospheric pressure, obtained from the barometric sensor in your device

- ALTIMETER
This tool takes advantage of the built in GPS to give you the precise elevation above the sea level.

- COMPASS
A pretty and well-made compass for navigation, traveling and direction reference purposes.

- DECIBEL
A professional sound meter, precisely measures the sound pressure level all around you.

- TESLAMETER
It takes advantage of the built-in magnetometer in your iPhone/iPod touch, allows you to monitor the strength of magnetic field all around. There are a range of real-life applications for this useful item, such as: metal detector, AC magnetic fields, or finding low-magnetic places for sleeping

- METRONOME
It is the most precise and stable metronome on the app store. Whether you are a musician, a music teacher, a beginner at playing music or even a golfer, this tool provides you a set of powerful features that can satisfy all your needs.

- STOPWATCH
Whenever you need a precise and professional stopwatch for sport activities like: sprints, jogging, this tool is a must have. Among its features are: intuitive interface, lap and split modes support, or send log results to your email

- TIMER
There are unlimited applications of using timer in daily life, such as: egg timer, tea timer, cooking, alarm clock, etc. The timer tool satisfies all of those needs by many of its features: up to 5 timers running simultaneously, count down and count up support, intuitive and convenient duration setup using preset and gestures

- SEISMOMETER
Taking advantage of the built-in accelerometer in your iPhone, this tool detects and visualizes any vibrations and moves of the iPhone. So, why not using this excellent feature to help your iPhone self-protected like a car when combined with an alarm? Or another great application is to test how smooth the car is on a test drive

- PLUMB BOB
This is an instrument to check if an object is perfectly vertical/plumb and has been used since the time of the ancient Egyptians. It suits any types of your needs, such as: hanging objects, carpenter work, brick layer or building construction

- SURFACE LEVEL
This tool facilitates the measurement of the slope of whatever surface you want to check. Most importantly, its accuracy is ensured at the maximum level by the support to different sensitivities that allow you to detect subtle slopes (floor leveling, furniture arrangement,..)

- SPIRIT/BUBBLE LEVEL
It is a simple but extremely useful tool in the set to check if an object is balanced. Its applications range from entertained purposes such as checking pool billiard tables in the bar to serious usages like constructions, carpenter, etc

- RULER
The ruler helps you precisely know the lengths of objects all around you, such as pens, tables, pictures. We built it to become even more than just a normal ruler: longest distance measuring capability, and up to 6 units support

- PROTRACTOR
Have you ever forgotten your protractor at school or when you urgently look for a protractor to measure any kind of angles in real life?

// Option A //

To download Measure X PRO: Smart Pro Tools mod from HappyMod.com.
You need enable the option "Unknown Sources".
1. Click on the above link to download Measure X PRO: Smart Pro Tools mod APK.
2. Save the file in your device Downloads folder.
3. Now tap on Install and wait for the installation to finish.
4. Once it is done, open the game and start playing it right away.

// Option B //

To download Measure X PRO: Smart Pro Tools from HappyMod APP, you can follow this:
1. Open your browser and download the HappyMod APK file from HappyMod.com - the only official website of HappyMod.
2. Open Android Settings and go into Privacy or Security.
3. Tap the option to Allow Unknown Sources and enable it.
4. Go to your Android downloads and tap the APK file.
5. Follow the directions on the screen to install it.
6. Search Measure X PRO: Smart Pro Tools in HappyMod App.