Level Tool · Angle Finder vs Caliper&Ruler
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Level Tool · Angle Finder
This app provides a suite of digital measurement tools, including a spirit level, angle finder, laser level, and metal detector. It helps users accurately measure angles, check surface flatness, and align objects for various home, DIY, and professional projects. Features include sound and light alerts, calibration, and AR-based laser lines.
- Digital spirit level with sound and light alerts
- Angle finder with degree precision and locking
- AR-powered laser level for alignment
- Metal detector for wires and pipes
- Compass and barometer for outdoor use
- Surface calibration and angle locking
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Level Tool · Angle Finder -The best level tool for you,Professional Digital Spirit Level for iPhone and measure angles on any surface quickly and accurately. Get precise readings with angle locking and calibration, and receive sound and light alerts when perfectly level. Check if a surface is flat in seconds and keep your TV and picture frames straight. Ideal for installing furniture, hanging pictures, or any construction, carpentry, or renovation project—and it works completely offline. A must-have tool for DIY enthusiasts and professionals alike. Key Features: ●Level Tool The Level Tool features sound and light alerts, surface calibration, and angle locking, with clear and easy-to-read angle values. It supports switching between different modes to meet a wide range of measurement needs. ●Bubble Level — Simulates a traditional bubble level to check horizontal and vertical surfaces. Simple to use with clear results. - 360° Spirit Level — Provides full 360-degree angle measurement, ideal for calibrating tables, floors, or sloped surfaces in any direction. - 3-in-1 Spirit Level — Combines horizontal, vertical, and 45° angle measurement in one tool, covering the most common leveling scenarios. ●Laser Level The Laser Level projects virtual laser-like reference lines using AR technology, helping you easily align walls, furniture, picture frames, and other objects. It ensures precise installation and accurate positioning in a variety of scenarios. ●Plumb Line Measure vertical alignment and angles for construction, carpentry, home, or interior projects. ●Angle Finder — Measures angles on any surface with degree precision. Lock and hold angles for accurate comparisons and repeated measurements. ●Inclinometer — Displays real-time inclination relative to gravity, ideal for measuring slopes, ramps, roofs, or tilted surfaces. ●Metal Detector Detect hidden wires before drilling or detect metal wires hidden inside walls. ●Compass Quickly determine direction during outdoor activities. ●Barometer Monitor air pressure and altitude in real time. Versatile Usage Scenarios ● Home & DIY Use the Laser Level to hang pictures, mirrors, or clocks, and to position appliances and furniture. The Metal Detector can also help detect wires or nails inside walls. ● Outdoor & Sports Use the Level Tool to calibrate tents, tables, chairs, or small landscaping structures. Quickly determine direction and altitude with the Compass and Barometer. ● Professional & Industrial Leverage the Level Tool, Gyroscope, and Plumb Line for construction design, carpentry, and surveying—measure angles and track orientation and rotation in 3D space. ● Photography & Devices The 360° Spirit Level keeps cameras, phones, TVs, monitors, and projectors perfectly level for precise framing and installation. Important Notes: If you subscribe via Apple, payment will be charged to your App Store account upon purchase confirmation. Subscriptions automatically renew unless auto-renewal is turned off at least 24 hours before the end of the current period. Your account will be charged for renewal within 24 hours before the end of the current subscription period at the selected plan rate. Subscriptions and auto-renewal can be managed after purchase through your App Store account settings. Feedback — If you enjoy using Bubble Level Tool Pro+, please rate us 5 stars and leave your review. — For any suggestions or questions, please email: luoyouming@upluspace.com — Don’t have the app yet? Download Bubble Level Tool Pro+ now and experience precise, effortless measurements for all your projects! Privacy Policy: https://sites.google.com/view/upluspace-level-p-policy Terms of Use: https://sites.google.com/view/upluspace-level-terms-of-use
Caliper&Ruler
Transform your device into a precise digital caliper for measuring objects in inches and millimeters. Features intuitive drag-and-measure functionality and accurate screen calibration using common items.
- Dual measurement units (inches/millimeters)
- Intuitive drag-and-measure interface
- Accurate screen calibration
- Custom calibration options
- Universal device compatibility
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Unlock Precision – Your Essential On-Screen Measurement Tool! Turn your iPhone or iPad into a versatile digital caliper. Measure objects accurately in inches and millimeters with an intuitive and easy-to-use interface. Whether you're a DIY enthusiast, student, designer, or professional, Caliper provides precise measurements wherever you need them. Key Features: - Dual Measurement Units: Easily measure in both inches and millimeters. - Intuitive Drag-and-Measure: Simply drag the slider to measure objects instantly. - Accurate Calibration: Calibrate your screen using everyday objects such as credit cards, AA batteries, rulers, or CDs/DVDs/Blu-ray discs. - Custom Calibration: Use any object with a known length for precise adjustment. - Universal Compatibility: Designed for iPhone (landscape only) and iPad (all orientations). Download Caliper and experience accurate measurements anytime, anywhere.
Screenshots
Verdict
The clearest difference is rating: Caliper&Ruler at 5.0 against Level Tool · Angle Finder's 4.3. Level Tool · Angle Finder's advantage is ratings volume (238 vs 1) and update cadence (fortnightly vs every 6 weeks). On price, ads, in-app purchases and monetization model there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Level Tool · Angle Finder sells 7 in-app purchases, starting at $9.99 per 7 days and Caliper&Ruler sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.
Caliper&Ruler holds the better App Store score, 5.0 against 4.3. That said, the two scores are not equally well evidenced: Level Tool · Angle Finder has 238 ratings behind it against 1, so its average is the more settled of the two.
Level Tool · Angle Finder ships an update fortnightly, Caliper&Ruler every 6 weeks. Both last shipped on October 30, 2026.
| Parameter | Level Tool · Angle Finder | Caliper&Ruler |
|---|---|---|
| Price | Free | Free |
| Rating | 4.3 (238 ratings) | 5.0 (1 ratings) — better |
| Positive reviews | 0.0% of reviews | — |
| Number of ratings | 238 — better | 1 |
| Update frequency | Fortnightly — better | Every 6 weeks |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Devices | iPhone | iPhone, iPad — better |
| Requires iOS | 18.0 — better | 18.4 |
| Further details — not scored | ||
| Size | 56 MB | 5 MB |
| Age rating | 4+ | +4 |
| Developer | Shenzhen AiPuLeSi Technology Co.,Ltd | Jun Yamabe |
Customer experience
Level Tool · Angle Finder
Caliper&Ruler
In-app purchases
Level Tool · Angle Finder
- Premium 3-Day Free Trial3 Days trial$9.997 Days
- Premium Weekly2 variants$9.997 Days
- Premium 3-Days Free Trial3 Days trial3 variants$9.997 Days
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- Premium Weekly3 Days trial$9.997 Days
- Premium Weekly7 Days trial$9.997 Days
- Premium Yearly$39.991 Year
- LifeTime Access$9.99
Caliper&Ruler
- Remove Ads$2.99
Questions
Is Level Tool · Angle Finder free?
Is Caliper&Ruler free?
Which has better reviews, Level Tool · Angle Finder or Caliper&Ruler?
Do Level Tool · Angle Finder or Caliper&Ruler have ads?
Which is updated more often, Level Tool · Angle Finder or Caliper&Ruler?
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