Ruler® app icon

Apps Like Ruler® for iPhone and iPad

Measure with ruler, tape, and camera

Measure objects with a camera ruler mode that uses your phone's camera for distance calculations. Switch between inches and centimeters. Adjust measurements with precision sliders. Access a classic ruler and tape measure for manual measurements.

by Tue Nguyen Minh★ 4.335,090 ratingsUtilitiesFreeData updated 2026-09-08

Ruler® screenshots

Ranked alternatives

Showing 241–260 of 1,000 ranked alternatives.

  1. Gps Area Calculator: Land Calc app icon

    Gps Area Calculator: Land Calc

    Liam Sammy

    Measure area, distance, and perimeter

    Measure areas, distances, and perimeters with precise pin placement. Mark and save measurements, name and group them for easy access. Share measured maps with colleagues directly.

    ★ 4.573 ratingsNavigationFreeData updated 2026-09-18
  2. 3Dazer app icon

    3Dazer

    Laurel At Sunset, Inc.

    Measure with 3D laser precision

    Create and manage projects with task lists, notes, and file storage. Measure distances using connected laser devices. Export and share measurement data. Organize and track project details for collaboration and reporting.

    ★ 4.315 ratingsUtilitiesFreeData updated 2026-09-11
  1. Compass Maps - Digital Compass app icon

    Compass Maps - Digital Compass

    KIET NGUYEN TAN

    Navigate, measure, and share locations

    Displays real-time traffic and satellite views. Shows current location and allows address input. Measures land area and calculates radius and corners. Shares location via email, SMS, or social networks. Auto-updates direction based on movement.

    ★ 4.6545 ratingsUtilitiesFreeData updated 2026-09-06
  2. PD+ : Easy Pupillary Distance app icon

    PD+ : Easy Pupillary Distance

    Zernike LLC

    Capture PD with a single facial photo

    PD+ captures and processes a high-resolution facial photo to measure . It provides far and near PD measurements for both binocular and monocular use. It also measures fitting heights for current frames to ensure accurate lens prescriptions.

    ★ 4.7413 ratingsHealth & FitnessFreeData updated 2026-09-06
  3. Decibel Meter-Noise monitoring app icon

    Decibel Meter-Noise monitoring

    Mirarobot Science & Technology Co., Ltd.

    Measure noise, track decibels, generate reports

    Measure ambient noise levels in real time and save data locally. Generate visual reports from collected data. Record noise changes with camera forensics.

    ★ 4.214 ratingsUtilitiesFreeData updated 2026-09-06
  4. Range Finder Military Edition app icon

    Range Finder Military Edition

    Savvas Petrou

    Estimate distance to any object.

    The app helps users estimate the distance to objects using the device's camera. It offers features like zoom, adjustable lines, and night vision for low-light conditions.

    ★ 1.09 ratingsUtilities$1.99Data updated 2026-09-23
  5. iRuler Plus app icon

    iRuler Plus

    CONG DUC TRAN

    Measure length with your phone

    Measure lengths in centimeters or inches by placing the iPhone beside an object and moving it while touching the screen. Use a long scroll ruler up to 120 cm or a stick ruler with two sliders for small items.

    ★ 1.715 ratingsUtilitiesFreeData updated 2026-09-12
  6. Measure Height With Camera App app icon

    Measure Height With Camera App

    Irina Metelkina

    Three steps

    Heights of objects by detecting the ground, then marking the lowest and highest points. Save measurement results in a history section. Access advanced features via a monthly or yearly subscription.

    ★ 4.095 ratingsProductivityFreeData updated 2026-09-06
  7. Libre Light Sensor app icon

    Libre Light Sensor

    John Harrington

    Measure and track lux levels

    Measure levels using iPhone camera to calculate luminosity in Lux. Track exposure during waking hours and before bed. Help optimize sleep quality by monitoring ambient conditions.

    ★ 4.8134 ratingsUtilitiesFreeData updated 2026-09-06
  8. Audio spectrum analyzer EQ Rta app icon

    Audio spectrum analyzer EQ Rta

    Marina Polyanskaya

    Analyze and visualize frequency

    Analyze in real time with octave band and FFT measurements. Visualize frequency spectra and measure sound levels. Export data and compare measurements across sessions.

    ★ 4.5245 ratingsProductivity$3.99Data updated 2026-11-07
  9. Decibel Meter - dB Noise Level app icon

    Decibel Meter - dB Noise Level

    PAO APPS PTE. LTD.

    Measure sound levels in real time

    Measure environmental levels in real time using your device's microphone. Display readings accurately. Detect and monitor sound levels at home, work, or outdoors.

    ★ 4.845 ratingsUtilitiesFreeData updated 2026-09-06
  10. CropSize: Image Resizer Editor app icon

    CropSize: Image Resizer Editor

    Aliaksei Khutarshchykau

    Resize, edit, and optimize images

    Resize and crop images for specific dimensions and resolutions. Adjust colors and metadata accurately. Batch process multiple files with customizable workflows. Export in various formats for social media, printing, or projects.

    ★ 4.7411 ratingsPhoto & Video$5.99Data updated 2026-09-08
  11. GPS Field Area Measurement app icon

    GPS Field Area Measurement

    Stephen Kuyper

    Measure land , distance, and perimeter

    Measure land , distance, and perimeter using real-time GPS. Mark points on a map to calculate fields, plots, and paths. Switch between and distance modes. Supports units like acres, hectares, and square feet. Save and export data.

    ★ 4.134 ratingsProductivityFreeData updated 2026-09-06
  12. Wheel it Off app icon

    Wheel it Off

    Blue Blink One, SL

    Measure objects, distances, and areas with laser

    Measure objects and spaces using a smartphone camera. Capture images of properties to calculate distances, perimeters, and areas. Export measurements and share results directly. Sync data across devices for accurate project tracking.

    ★ 4.845 ratingsProductivity$299.99Data updated 2026-09-08

How we rank alternatives

Apps are ranked by functional similarity, category fit, rating confidence, and popularity.