# Spirit level and Plumb line — Bubble Level and Plumb Bob

> Bubble Level and Plumb Bob (iPhone/iPad app by Alexander Timoshkov.)

- Source: https://appshunter.io/ios/app/spirit-level-and-plumb-line/id6787897608 (this page in markdown: same URL + `.md`)
- Developer: [Alexander Timoshkov](https://appshunter.io/developer/1059090945)
- Category: Utilities
- Price: Free
- Age rating: 17+
- Requires: iOS 16.6 · 16 MB
- Languages: American English, Russian
- Released: 2026-07-13
- Data updated: 2026-08-29
- User reviews in markdown: https://appshunter.io/ios/app/spirit-level-and-plumb-line/id6787897608/reviews.md

## What is Spirit level and Plumb line?

Turn your phone into a precise, reliable tool for measuring tilt angles and checking surfaces. This app combines the classic functionality of a bubble level and plumb line with modern digital capabilities.
Key features:
• High measurement accuracy: Uses your device's sensors to determine tilt in degrees, radians, or percentages.
• Two-position calibration: A unique calibration feature (at 0° and 180°) ensures maximum accuracy, even on devices with sensor deviations.
• Audio and vibration feedback: Get instant feedback when a surface is perfectly level, without needing to look at the screen.
• Continuous audio signal: A "smart" sound feature changes the tone based on the tilt angle, helping you level objects by ear.
• Measurement history: Save recent measurement data to easily track your work.
• Stability indicator: A built-in algorithm signals when the readings have stabilized, ensuring the most accurate capture.
• Flexible settings: Customize sensitivity (tolerance), units of measurement, and visual themes to suit your needs.
Who is this app for?
• Builders and tradespeople: For installing furniture and leveling walls, floors, and structures.
• Photographers: For perfectly leveling the horizon when shooting on a tripod.
• Car enthusiasts: For checking vehicle tilt when parking or setting up a camper.
• DIYers: For hanging pictures, shelves, and TVs straight.
Why "Pro Level"? We focused heavily on stability and a simple interface. The app is free of clutter, runs quickly, and—once properly calibrated—delivers accuracy comparable to professional tools. Make your next project perfectly level with the Pro Level!


## Version history (last 1 release)

### 1.0 — 2026-07-13

No release notes.

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## More apps by Alexander Timoshkov

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All apps by Alexander Timoshkov: https://appshunter.io/developer/1059090945

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-29.*