# Bubble Level: Angle & Ruler — Digital Laser & Inclinometer

> Digital spirit level, ruler, and laser for precise measurements and alignment. (iPhone/iPad app by Ungo Inc..)

- Source: https://appshunter.io/ios/app/bubble-level-angle-and-ruler/id6746100987 (this page in markdown: same URL + `.md`)
- Developer: [Ungo Inc.](https://appshunter.io/developer/1813952838)
- Category: Utilities, Business
- Price: Free with in-app purchases
- Rating: 4.90/5 from 10 App Store ratings
- Age rating: 4+
- Requires: iOS 17.6 · 17 MB
- Languages: American English, Arabic, French (France), German (Germany), Indonesian, Japanese, Korean, European Portuguese, Chinese (Simplified, China), European Spanish and 2 more
- Released: 2025-05-20
- Data updated: 2026-09-04
- Monetization: free with in-app purchases
- User reviews in markdown: https://appshunter.io/ios/app/bubble-level-angle-and-ruler/id6746100987/reviews.md

## What is Bubble Level?

Professional-grade spirit level, bubble level, and precision angle measurement toolkit right in your pocket. Replace bulky hardware tools with digital accuracy, camera-based laser leveling, and real-time surface telemetry.

Turn your iPhone or iPad into an advanced machinist and carpenter toolkit for home improvement, construction, and DIY projects.

KEY FEATURES

PRECISION SPIRIT & BUBBLE LEVEL
• Horizontal & Vertical Tube Levels with 0.1° high-precision readout
• 360° Circular Bullseye Level for multidirectional surface leveling
• Real-time X (Roll) and Y (Pitch) digital telemetry
• Dual measurement modes: Angle (Degrees °) and Slope (Percent %)
• Real-time RMS Stability Telemetry for vibration analysis
• 100% Offline operation — no internet connection required

NEW: CAMERA BUMP COMPENSATION (Pro Hardware Calibration)
• Eliminates false tilt angles caused by protruding iPhone camera lenses
• Automatically restores true 0.0° balance when placed flat on tables
• One-tap presets for Slim/No Case (0.9°), Standard Case (1.2°), and Rugged Cases (1.6°)

ACTION BUTTON & SIRI SHORTCUTS
• Full Apple Action Button integration for iPhone 15 Pro, 16, and 17 series
• Instant single-click hardware launch for Spirit Level, Laser, or Ruler
• Hands-free voice triggers with Siri Shortcuts ("Open Bubble Level Laser")
• Control Center Quick Launch support

CAMERA LASER LEVEL (AR Tool)
• Visual laser line projection via your camera feed
• Perfect for picture frame alignment, wall mounting, and tile installation
• Live angle detection with instant leveling feedback

DIGITAL RULER & CALIPER
• On-screen digital ruler with Metric (cm/mm) and Imperial (inch) scales
• Dual precision measurement markers for exact object dimensions
• Scratch-free high-contrast display

MEASUREMENT MANAGEMENT & EXPORT
• Save angle and dimension records with custom labels and timestamps
• Export and share measurement history in CSV format
• One-tap zero calibration for relative angle measurements

PROFESSIONAL INDUSTRIAL DESIGN
• High-contrast Neo-Brutalist Machinist interface for outdoor visibility
• Tactile haptic feedback vibration upon reaching perfect balance (0.0°)
• Keep-Screen-On toggle during long measurement sessions
• Custom theme support

IDEAL FOR:

- Hanging paintings, wall decor, TVs, and mirrors
- Furniture assembly, cabinet making, and shelving
- Home renovation, drywall, and masonry projects
- Table, appliance, and RV/camper leveling
- Professional carpentry, construction, and engineering
- Photography and tripod angle alignment

Download now and transform your device into an indispensable, professional measurement toolkit!

Note: Measurement precision relies on device internal sensors (gyroscope and accelerometer). Regular calibration is recommended for optimal accuracy.

Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Privacy Policy: https://malevus.com/privacy-policy-for-spirit-level-app/

## Key features

- Precise spirit level with 0.1 degree accuracy
- Integrated laser measurement tool
- Digital ruler for length measurement
- Save, note, and export measurements
- Customizable themes and settings
- Offline functionality

## Pricing and in-app purchases

Base price: Free.

**Subscriptions**

| Subscription | Price | Period |
| --- | --- | --- |
| Remove All Ads | $19.99 | per year |
| Bubble Level Premium | $3.99 | per month |
| Bubble Level Weekly | $4.99 | per 7 days |
| Weekly Premium | $3.99 | per 7 days |

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| Bubble Level Lifetime | $39.99 | one-time |



## Frequently asked questions about Bubble Level

### Does Bubble Level & Ruler have ads?

Yes, Bubble Level & Ruler contains advertisements. Users can remove all ads through a yearly subscription plan.

### What are the subscription options for Bubble Level & Ruler?

Bubble Level & Ruler offers several premium subscription plans, including monthly and weekly options. There is also a yearly plan to remove all ads. Some plans offer a free trial period.

### How accurate is the Bubble Level & Ruler?

The app offers precise level measurements with 0.1-degree accuracy for horizontal tubes. Measurement accuracy depends on the device's internal sensors, and regular calibration is recommended for optimal results.

### Can I use Bubble Level & Ruler offline?

Yes, Bubble Level & Ruler works offline, meaning no internet connection is required to use its measurement features.

### What devices is Bubble Level & Ruler available on?

Bubble Level & Ruler is available on iPhone and iPad devices.

### How often is Bubble Level & Ruler updated?

The app was last updated on March 7, 2026, with version 1.23. This indicates a relatively active development cycle.

### What is the age rating for Bubble Level & Ruler?

Bubble Level & Ruler has an age rating of 4+, making it suitable for a wide range of users.

### Can I save and share my measurements with Bubble Level & Ruler?

Yes, you can save all your measurements, add custom notes, and export your measurement history in CSV format for better organization and sharing.

## Version history (last 5 releases)

### 1.25 — 2026-08-22

NEW: Camera Bump Offset — Automatically levels out iPhone camera bump tilt when placed flat on tables!
NEW: Action Button & Siri Shortcuts — Launch the Spirit Level, Laser, or Ruler instantly with the Action Button or voice commands.
NEW: Control Center & App Intents optimization.

### 1.24 — 2026-06-10

Bug fixes.

### 1.23 — 2026-03-07

Bug fixes

### 1.22 — 2026-03-01

NEW PREMIUM TOOL: RMS (Root Mean Square)

### 1.21 — 2026-02-11

bug fixes

## Apps similar to Bubble Level

| App | Rating | Price | Category |
| --- | --- | --- | --- |
| [Bubble Level!](https://appshunter.io/ios/app/bubble-level/id6448636249) | — | Free | Utilities |
| [Bubble Level & Angle Finder](https://appshunter.io/ios/app/bubble-level-and-angle-finder/id6751485285) | 4.6 (20) | Free | Utilities |
| [Bubble Level & Compass](https://appshunter.io/ios/app/bubble-level-and-compass/id1665482229) | 4.9 (15) | Free | Utilities |
| [Bubble Level & Ruler Measure](https://appshunter.io/ios/app/bubble-level-and-ruler-measure/id1635110719) | 3.9 (10) | Free | Utilities |
| [mini Bubble Level](https://appshunter.io/ios/app/mini-bubble-level/id1111162128) | 4.6 (26) | Free | Utilities |
| [Spirit Level: Pro](https://appshunter.io/ios/app/spirit-level-pro/id6757507189) | — | Free | Utilities |

## More apps by Ungo Inc.

- [Decibel Sound Meter - dBlyze](https://appshunter.io/ios/app/decibel-sound-meter-dblyze/id6745800603)
- [Compass & Altimeter: TrueNorth](https://appshunter.io/ios/app/compass-and-altimeter-truenorth/id6746292032)
- [WordBlitz: Word Search Game](https://appshunter.io/ios/app/wordblitz-word-search-game/id6746946718)
- [Water Tracker Reminder: Drip](https://appshunter.io/ios/app/water-tracker-reminder-drip/id6747406619)
- [FocusNest: Pomodoro & Tasks](https://appshunter.io/ios/app/focusnest-pomodoro-and-tasks/id6748082933)

All apps by Ungo Inc.: https://appshunter.io/developer/1813952838

## Related topics

[nivel de construcción](https://appshunter.io/ios/topics/nivel-de-construcción)

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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 2026-09-04.*