Spirit Level
Precise leveling powered by the accelerometer. Calibration, lock mode and haptic feedback.
SMART MULTI-TOOL APP
All tools
All tools
in one app.
Spirit level, sound meter, ruler, metal detector, smart flashlight and unit converter — 6 professional tools calibrated for daily use.
Free · Ad supported · Premium optional
FEATURES
6 professional tools,
6 professional tools,
in your pocket.
Every module talks directly to the device sensors — no internet connection required.
Sound Meter
Live decibel readout, min/avg/max statistics and real-time waveform visualization.
Ruler
Dual markers in cm and inches for instant on-screen distance measurement.
Metal Detector
Magnetometer-based magnetic field detection with radar visual and signal history graph.
Smart Flashlight
Strobe, SOS, Morse code and 5-color full-screen light modes in a single panel.
Unit Converter
Length, mass, temperature, area and volume — instant conversion including temperature formulas.
WHY DIGITAL SMART TOOLS
Lightweight, fast and privacy-friendly.
01
Works offline
All measurements happen on-device; no data is sent to any server.
02
6 languages
English, Turkish, German, Russian, Arabic and Spanish.
03
Premium optional
One-time purchase unlocks an ad-free experience forever.
04
Battery-efficient
Optimized sensor streams and UI throttling save up to 30% on frame budget.
FAQ
Frequently Asked Questions
Is the app free?
Yes. All tools are free with ads. A one-time Premium upgrade is available to remove ads.
When will the iOS version arrive?
The iOS build is in preparation. Stay tuned for the App Store release.
How accurate is the ruler?
It uses the device DPI. Best accuracy is on short distances (under 15 cm).
Does the metal detector really work?
Yes, it uses your phone's magnetometer sensor and detects ferrous metals at close range.
Where does my data go?
Nowhere. Sensor data is processed locally on your device and never uploaded.