# Distance Meter - AR Ruler > AR distance meter + 15 tools: tape, volume, area, level, angle, room planner Canonical page: [https://chrome-stats.com/d/com.smartwho.smartdistance](https://chrome-stats.com/d/com.smartwho.smartdistance) ## Overview - **ID:** `com.smartwho.smartdistance` - **Platform:** Android - **Type:** Android app - **Status:** Available - **Publisher:** SMARTWHO - **Category:** TOOLS - **Downloads:** 52,559 - **Rating:** 3.57 / 5 (147 ratings) - **Version:** 2.3.1 - **Last updated:** 2026-09-04 - **First published:** 2026-01-19 - **Publisher country:** KR - **Size:** 63 MB - **Data as of:** 2026-09-05 - **Store listing:** [Google Play Store](https://play.google.com/store/apps/details?id=com.smartwho.smartdistance) - **Website:** [https://smartwho.net](https://smartwho.net/) - **Privacy policy:** [https://smartwho.net/privacy/](https://smartwho.net/privacy/) ## Description Distance Meter is a complete measurement toolkit: AR distance measuring plus 15 specialized tools in one app. Powered by Google ARCore, it detects your device hardware and selects the most suitable measurement engine for maximum accuracy.

Leveling a shelf, measuring a room, estimating paint, or checking whether a box fits through a doorway — there is a tool for each job.


[AR Spatial Measurement]

• AR Distance — Tap to measure the distance to any point, with a live accuracy estimate.

• Height Meter — AR height for people, furniture, doors, and buildings.

• Width & Height — Get both in a single session.

• Area Calculator — Mark corners to measure floor area, wall space, or any surface.

• Volume Meter — Width, depth, and height in three guided steps. Ideal for boxes, cabinets, and luggage.


[Sensor & Assist Tools]

• Bubble Level — Circular spirit level with 3D liquid and bubble animation.

• Clinometer — Slope gauge covering 0° to 180°, with slope percent and ratio.

• Plumb Bob — Gravity-based digital pendulum for vertical alignment.

• Protractor — Touch and sensor based angle measurement, 0° to 180°.

• Screen Ruler — On-screen ruler in cm and inches, with card-based calibration.

• Frame Checker — Camera based alignment for frames, TVs, and shelves.


[Calculation & Planning]

• Room Measurement — Floor, wall area, perimeter, and volume in one calculation.

• Wall & Materials — Subtract doors and windows, then estimate paint and wallpaper.

• Space Fit Checker — Test every rotation of an object against a doorway before you move it.

• Round Object Meter — Diameter, circumference, cross-section area, and capacity.

• Multi-segment Path — Add up cable, pipe, and curved route segments.


[Smart Measurement Engine — 4 Tiers]

Your device is automatically matched to the highest tier it supports.

• Premium (Hardware Depth) — ARCore Depth with camera depth-output capability; confidence varies by device and scene.

• High (Depth API) — Depth-assisted ranging with live signal-quality checks.

• Standard (ARCore) — Plane and feature tracking with live signal-quality checks.

• Basic — AR distance measurement is unavailable; planning and sensor tools remain available.


[Accuracy Technology]

Several strategies are fused with confidence weighting: depth image, raw depth with confidence map, plane, point cloud, and anchor sampling. Outliers are removed and points are re-read from ARCore anchors as the map refines, so results stay stable while you move.

Five conditions are monitored while you measure: tracking, lighting, surface detection, feature points, and camera stability. A live indicator shows measurement confidence before you tap; it is not a guaranteed error bound.


[Key Features]

• AR distance measuring plus 15 tools in one app
• 4-tier AR engine (Hardware Depth → Depth API → ARCore → Basic)
• 6 units: meters, centimeters, feet, inches, yards, millimeters
• Measurement history with auto-save and undo
• Sound and vibration feedback
• Grid overlay and level indicators
• Dark and light mode with a clean one-tone design
• Home screen widget, status bar shortcut, and offline measuring


[Tips for Accurate Results]

• Ensure good lighting
• Move your device slowly during initialization
• Keep a steady hand — stability directly affects accuracy
• Measure textured surfaces (avoid mirrors, glass, plain white walls)
• Optimal AR range: 0.5m to 5m


[Disclaimer]

Measurement results are estimates based on AR technology and device sensors. Actual values may vary by device, environment, and conditions. This app is not intended for professional surveying or safety-critical applications. ## Rankings - #292,713 — Overall ## Permissions and access ### Permissions - `android.permission.ACCESS_ADSERVICES_AD_ID` - `android.permission.ACCESS_ADSERVICES_ATTRIBUTION` - `android.permission.ACCESS_ADSERVICES_TOPICS` - `android.permission.ACCESS_NETWORK_STATE` - `android.permission.CAMERA` - `android.permission.FOREGROUND_SERVICE` - `android.permission.INTERNET` - `android.permission.POST_NOTIFICATIONS` - `android.permission.RECEIVE_BOOT_COMPLETED` - `android.permission.VIBRATE` - `android.permission.WAKE_LOCK` - `com.amazon.privacypass.ATTEST` - `com.android.vending.CHECK_LICENSE` - `com.google.android.finsky.permission.BIND_GET_INSTALL_REFERRER_SERVICE` - `com.google.android.gms.permission.AD_ID` - `com.smartwho.smartdistance.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION` ## Similar extensions and apps - [Measure - Ruler,Protractor,AR](https://chrome-stats.com/d/com.cooltime.measure) — 553 users - [Measure App: AR Ruler & Angle](https://chrome-stats.com/d/com.levelpro.slope.level) — 29,985 users - [Distance Meter](https://chrome-stats.com/d/com.mvtrail.distancemeter) — 2,879,435 users, 3.36 / 5 - [Protractor + Angle Finder - AR](https://chrome-stats.com/d/com.jrsoftworx.messflex) — 78,651 users, 4.03 / 5 - [Protractor Tool & Angle Meter](https://chrome-stats.com/d/com.inse.protractor.anglemeter) — 952 users - [Ruler, BubbleLevel, AngleMeter](https://chrome-stats.com/d/ruler.bubble.level) — 1,312,775 users, 4.01 / 5 - [AR Ruler Camera : Measure Tape](https://chrome-stats.com/d/com.dsproductwork.ar.rulercamera.measuretool) — 846 users - [Bubble Level - Angle Meter AR](https://chrome-stats.com/d/com.spiritlevel.ruler) — 15 users - [Map Measure Area & AR Ruler](https://chrome-stats.com/d/com.cscmobi.arruler.mapmeasure) — 1,350 users - [AR Ruler: Tape Measure Tools](https://chrome-stats.com/d/com.arruler.height.measure.tapemeasure.camera) — 724 users - [AR Meter: Tape Measure Camera](https://chrome-stats.com/d/com.ignatiusDevStudio.ARMeter) — 7,519,348 users, 3.64 / 5 - [AR Ruler - Tape Measure](https://chrome-stats.com/d/com.godhitech.ruler.ar.measure) — 15,282 users, 3.78 / 5 --- Source: [Chrome-Stats](https://chrome-stats.com/d/com.smartwho.smartdistance)