# Bubble Level & Ruler — Digital Level, Ruler & Laser > 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-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: 2026-08-22 - Monetization: free with in-app purchases - User reviews in markdown: https://appshunter.io/ios/app/bubble-level-and-ruler/id6746100987/reviews.md ## What is Bubble Level & Ruler? Professional-grade spirit level (bubble level) and angle measurement tool in your pocket. Replace traditional bubble levels with precision digital measurements and turn your smartphone into a comprehensive construction toolkit. FEATURES Precise Level Measurement -Horizontal tube level indicator with 0.1 degree accuracy -Vertical tube level indicator for perfect alignment -Circular bubble level indicator for comprehensive measurements -Real-time angle values for X (Roll) and Y (Pitch) axes -Option to measure in degrees or percent -Works offline - no internet connection required - RMS (Root Mean Square) stability measurement Laser Measurement Tool -Integrated laser level feature for measuring angles between surfaces -Perfect for wall, frame and furniture alignment -Camera-based angle detection with real-time feedback -Ideal for construction and renovation projects Digital Ruler -Measuring the length of objects in centimeters and inches -Visual markers for easy and precise operation -Professional-grade measurements on your screen Measurement Management -Save all your measurements and refer to them later -Add custom notes to your measurements for better organization -Export and share your measurement history in CSV format -One-touch fast recording for efficiency -Complete measurement history with timestamps Customizable Settings -Switch between dark and light theme for any lighting condition -Two premium themes: Ocean Forest, Flower Garden for enhanced visual experience -Adjust measurement sensitivity for different precision needs -Vibration notification when the perfect level is reached -Option to keep the screen on during measurement sessions -Easy one-tap calibration feature for optimal accuracy Usage Areas -Furniture assembly and placement -Hanging paintings, mirrors and other wall decorations -Alignment of door and window frames -Shelf and cabinet installation -Construction and renovation works -Adjusting photography angles for perfect shots -Model and craft making projects -Home and office arrangements -Professional carpentry and masonry work -DIY home improvement projects Bubble Level (Spirit Level) is an easy-to-use yet highly functional inclinometer app designed for professionals, contractors, and DIY enthusiasts. No need to carry physical level tools, protractors, or angle finders anymore - your smartphone or tablet provides all the measuring capabilities you need with superior portability and convenience. Get the right angle, perfect alignment and precise measurements every time with Bubble Level. Join thousands of satisfied users who have made this their go-to measurement tool. Download now and transform your device into a professional measurement toolkit that fits in your pocket! Note: Measurement accuracy depends on the internal sensors of your device. Regular calibration is recommended for best results. Premium features available for enhanced functionality. 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 & Ruler ### 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) ### 1.24 — 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 ### 1.2 — 2026-02-07 Bug fixes. ## Apps similar to Bubble Level & Ruler | App | Rating | Price | Category | | --- | --- | --- | --- | | [mini Bubble Level](https://appshunter.io/ios/app/mini-bubble-level/id1111162128) | 4.6 (26) | Free | Utilities | | [Bubble Level & Ruler Measure](https://appshunter.io/ios/app/bubble-level-and-ruler-measure/id1635110719) | 3.9 (10) | Free | Utilities | | [Bubble Level & Compass](https://appshunter.io/ios/app/bubble-level-and-compass/id1665482229) | 4.9 (15) | Free | Utilities | | [Bubble Level & Angle Finder](https://appshunter.io/ios/app/bubble-level-and-angle-finder/id6751485285) | 4.6 (21) | Free | Utilities | | [Bubble Level!](https://appshunter.io/ios/app/bubble-level/id6448636249) | — | 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 --- *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 2026-08-22.*