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About Metrava: Pocket Workshop
Offline pocket tools: level, ruler, compass, sound meter. Honest. No account.
Metrava is an offline-first pocket workshop for Android. Measure, check, and work on site — no account, no cloud login, nothing uploaded to a Metrava server.
TOOLS
• Bubble level with two-position calibration
• Screen ruler (calibrate to a known length)
• Precision compass (true / magnetic north; check outdoors)
• Sound meter (dBFS until you set an SPL offset from a second meter)
• Frequency lab (tone generator and detector)
• Digital magnifier
• Piece counter
• AR measure (estimate; needs Play Services for AR)
• Network tools for the Wi-Fi you are on (confirm before a subnet scan)
• Bluetooth PC remote (some phones block HID)
HONEST ACCURACY
A phone is not a certified class 1 instrument. Uncalibrated sound is dBFS, not room SPL. The ruler depends on this display. AR is an estimate, not a steel tape. Network scan is not a full device inventory.
Privacy: https://esorion.com/metrava/privacy.html
What's new in the latest
Last updated on Sep 4, 2026
Minor bug fixes and improvements. Install or update to the newest version to check it out!
Videos and Screenshots
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