ZenLevel
Precision bubble level & plumb
About
Transform your device into a precision inclinometer with a calm, deliberate feel. Offers multiple measurement modes for surface, plumb, and calibration, with a history log for saved readings. Designed with a focus on privacy and a realistic tool aesthetic.
What's New in ZenLevel
1.1.0
September 24, 2026
New in 1.1: • HOLD — freeze any reading with one tap, then read or save it after you take your iPhone out of an awkward spot. • Slope units — show readings in degrees, percent grade, millimetres per metre or inches per foot, ideal for drains, ramps, patios and decks. Choose in Settings › Units. • Saved measurements follow your chosen unit and keep the original angle alongside. • The landscape panel now shows your unit and whether the reading is live or held. • Decorative animations pause when Reduce Motion is on.
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FAQ
What is ZenLevel used for?
ZenLevel turns your iPhone into a precision inclinometer for measuring level and plumb. It's designed for builders, DIYers, photographers, and woodworkers who need accurate readings.
Does ZenLevel have ads?
No, ZenLevel is ad-free and does not contain any advertisements. It also has no tracking, analytics, or network requests, ensuring a private user experience.
How accurate is ZenLevel?
All measurements in ZenLevel are in degrees and are accurate to 0.1°. The app provides a calm, deliberate feel like a real machinist's instrument.
Can ZenLevel be calibrated?
Yes, ZenLevel features a calibration mode. You can place your phone on a trusted flat surface, wait for the stability meter, and tap 'ZERO OUT' to calibrate.
What measurement modes does ZenLevel offer?
ZenLevel offers four measurement modes: SURFACE for flat surfaces, PLUMB for vertical surfaces, CALIBRATE for sensor adjustment, and HISTORY to log saved measurements.
Is ZenLevel available on Android?
Currently, ZenLevel is only supported on iPhone devices. It is designed to leverage the specific sensors and capabilities of iOS.
How does ZenLevel handle user data?
ZenLevel is privacy-first by design. It has no accounts, no login, no cloud sync, no tracking, no analytics, and no network requests, keeping all data on your device.
What is the 'zen moment' in ZenLevel?
The 'zen moment' occurs when you achieve perfect alignment. The entire interface shifts to a calm, luminous green, indicating true level.
