Smart Toolkit: All-in-One

Smart Toolkit: All-in-One puts 28 genuinely useful tools in a single, fast, offline app — so you can finally delete that pile of single-purpose utilities cluttering your phone. Every tool works without an account and without an internet connection.

📐 MEASURE
• Bubble level — check any surface is level
• Surface (bullseye) level — true 2-axis leveling
• On-screen ruler — with bank-card calibration for accuracy
• Protractor & angle finder — read any inclination
• Plumb line — find true vertical
• Distance & height estimator — work out size from an angle

🧭 SENSE
• Compass — magnetic and true heading
• Magnifier — camera zoom with freeze and light
• Flashlight — with adjustable strobe
• Mirror — front-camera reflection
• Metal detector — magnetic-field strength meter
• Light meter — ambient brightness in lux
• Vibration meter — live seismograph-style readout
• QR & barcode scanner — copy or open results instantly
• Heart rate — fingertip pulse check via the camera (wellness only)

🎵 SOUND
• Metronome — adjustable tempo, time signatures and sound kits
• Chromatic tuner — for guitar, bass, ukulele, violin and more
• Decibel meter — measure sound levels with min, average and peak
• Tone generator — sine, square, triangle and sawtooth tones
• Pitch detector — live frequency and musical note

🚗 MOTION & GPS
• Speedometer — GPS speed, top speed and trip distance
• GPS & altitude — live coordinates, elevation and accuracy

⏱️ TIME
• Stopwatch — with laps and splits
• Multi-label timers — run several countdowns at once
• Interval / HIIT timer — work and rest rounds with audio cues

🧰 UTILITY
• Tally counter — fast tap counting with custom steps
• Unit-price comparison — instantly spot the best value
• Device & sensor info — battery, storage, RAM, network and live sensors

✨ WHY YOU'LL LIKE IT
• Clean, modern design with light and dark themes plus Material You
• Reorder and favorite the tools you use most for one-tap access
• Works completely offline — no sign-up, no clutter
• Add a home-screen widget shortcut to your favorite tools

⭐ PRO UPGRADE (one-time, lifetime — no subscription)
• Remove ads
• Unlimited saved measurements with CSV export
• Decibel session logging, history and export
• Extra metronome kits and alternate instrument tunings
• Save per-tool calibration
• Home-screen widget shortcut

The free version includes every tool and shows ads. Pro is a single lifetime purchase that removes ads and unlocks saving, logging, export and extra options.

⚠️ Note: these tools use consumer phone sensors and are intended for everyday convenience. Readings are approximate and are not suitable for professional, medical, navigational or safety-critical use. The heart-rate tool is for general wellness only and is not a medical device.

Download Smart Toolkit: All-in-One and carry a whole toolbox in your pocket.