# VisualRuler: Photo Ruler — Measure Anything Using a Card > Uses a wallet card as a reference to measure real-world dimensions from photos. (iPhone/iPad app by altaibayar tseveenbayar.) - Source: https://appshunter.io/ios/app/visualruler-photo-ruler/id1116399255 (this page in markdown: same URL + `.md`) - Developer: [altaibayar tseveenbayar](https://appshunter.io/developer/1116399254) - Category: Utilities, Photo & Video - Price: $0.99 (on sale, was $1.99) - Age rating: 4+ - Requires: iOS 18.0 · 10 MB - Languages: Korean, Dutch, German (Germany), Russian, European Spanish, Arabic, American English, Italian, Japanese, Chinese (Simplified, China) and 7 more - Released: 2016-07-29 - Data updated: 2026-08-20 - Monetization: free - User reviews in markdown: https://appshunter.io/ios/app/visualruler-photo-ruler/id1116399255/reviews.md ## What is VisualRuler? VisualRuler is a photo ruler and tape measure for iPhone that turns any standard card into a precise reference for real-world dimensions. Place your bank card, transit card or library card next to furniture, clothing, packages or anything flat, take a photo and read dimensions in millimeters, centimeters or inches. No LiDAR. No depth sensor. No AR scanning. Just your iPhone and a card you already carry every day. HOW IT WORKS 1. Place any standard card next to what you want to measure. 2. Open VisualRuler and point your camera. Card detection is instant and automatic. 3. Fine-tune the card corners with a drag for perfect precision. 4. Tap to place a line or rectangle. Read dimensions immediately. That is it. Four steps to a real measurement, anywhere you are. A PHOTO MEASURING TOOL FOR REAL LIFE Measure furniture before you buy it. Check whether a shelf, frame, rug or appliance will actually fit. Get accurate package dimensions for shipping labels. Measure clothing sizes from a photo so online orders fit the first time. Capture DIY project sizes at home, in a store or on site. Professionals rely on VisualRuler too. Architects verify site dimensions before ordering materials. Interior designers confirm furniture fit before committing. Stylists measure garment details from lookbook photos. Ecommerce sellers get accurate parcel dimensions fast. Product developers capture prototype measurements in the field. WORKS WITHOUT LIDAR No LiDAR sensor required. No depth camera. No special hardware at all. If your iPhone or iPad has a camera and can run VisualRuler, you can measure from photos. WHAT YOU CAN MEASURE Furniture, clothing, electronics, artwork, parcels, hardware parts, plant pots, books, screens and anything flat. Draw a line measurement for a single dimension or a rectangle to capture width and height at once. Switch between mm, cm and inches at any time. WHY EVERYONE SHOULD HAVE THIS APP • Replaces a tape measure when you cannot find one • Works without LiDAR or any depth sensor • Instant automatic card detection gets you measuring in seconds • Draggable card corners give you precise control • Millimeters, centimeters and inches with instant switching • Measure from photos already in your photo library • Fully offline and completely private ACCURACY Typically 1 to 3 mm for flat objects photographed straight on. Powered by the same projective geometry used in professional photogrammetry software. PRIVACY Zero data collection. No analytics, no crash reporting, no account, no subscription. Every photo is processed entirely on your device and never leaves it. ## Key features - Measure from photos - Uses wallet card as reference - Instant auto-detection - Metric and imperial units - Photo library support - No special hardware needed ## Recent user reviews (10 of 67) All indexed reviews: https://appshunter.io/ios/app/visualruler-photo-ruler/id1116399255/reviews.md ### 5/5 — Really useful app *2023-05-03, version 2.2* This app is awesome, using my card as a reference is can give me very accurate measurements for other items on the camera. ### 5/5 — Great App *2021-01-31* Simple and Very useful...accuracy is appropriate for how easy it is to use. Nice work. ### 1/5 — 骗子 *2019-11-09* 骗子 **Developer response:** Dear User Thank you very much for the review and I am really sorry that the app did not met your expectations. We have done many changes and improvements to the version. Please give it a try once more Thank you again Dev ### 1/5 — Total ripoff *2017-10-11* It always shows the exact same size, no matter how really big is the object **Developer response:** Dear User Thank you very much for the review and I am really sorry that the app did not met your expectations. We have done many changes and improvements to the version. Please give it a try once more Thank you again Dev ### 1/5 — FAKE APP!!! *2017-08-20* This is a total rip off and needs to be taken off the app store! **Developer response:** Dear User Thank you very much for the review and I am really sorry that the app did not met your expectations. We have done many changes and improvements to the version. Please give it a try once more Thank you again Dev ### 1/5 — I'd give it to zero if I could *2017-04-11, version 1.4* Crap ### 1/5 — 假的，怎么量都是同一个数字！ *2017-02-06* 大家千万不要买 **Developer response:** Dear User Thank you very much for the review and I am really sorry that the app did not met your expectations. We have done many changes and improvements to the version. Please give it a try once more Thank you again Dev ### 1/5 — Richtig schlecht *2017-01-21* Messen geht anders. Im Geometrieunterricht wohl nicht aufgepasst!! 2€ weg...jetzt brauch ich erst Mal ein Bier **Developer response:** Dear User Thank you very much for the review and I am really sorry that the app did not met your expectations. We have done many changes and improvements to the version. Also new onboarding experience explaining how the app works was added. Please give it a try once more Thank you again Dev ### 3/5 — Not handy *2016-12-15* Should be more useful if the app can automatically locate the card and attach the box(the given one). ### 2/5 — Keine Automatik *2016-11-25* Die automatische Kartenerkennung funktioniert nicht. Habe mehrere Karten (EC, Kreditkarte, Perso) getestet. Die manuelle Justierung ist zu umständlich. Deshalb nur 2 Sterne ## Frequently asked questions about VisualRuler ### What does VisualRuler do? VisualRuler transforms any standard card in your wallet, like a credit card, into a precision measuring tool. It allows you to measure real-world dimensions directly from a photo using your iPhone's camera, without needing any special hardware like depth sensors or LiDAR. ### How accurate is VisualRuler? The app is typically accurate within 1–3 mm for flat objects photographed straight-on. It utilizes projective geometry principles, similar to those used in professional photogrammetry, to ensure reliable measurements. ### Is VisualRuler free to use? Yes, VisualRuler is a free application. It does not have any in-app purchases, ads, or require a subscription. The app is designed to be accessible to everyone. ### What devices is VisualRuler compatible with? VisualRuler works on every iPhone and iPad. It does not require any advanced hardware like LiDAR or depth sensors, making it compatible with a wide range of Apple devices. ### Can I measure objects from photos I've already taken? Yes, VisualRuler supports photo library integration. You can import any photo you've already taken and use a card as a reference to measure objects within that image, making it versatile for various use cases. ## Version history (last 5 releases) ### 3.5 — 2026-06-03 VisualRuler 4 is a complete rebuild from the ground up. • Redesigned from scratch for a cleaner, faster and more intuitive measuring workflow • Smarter card detection with real time confidence feedback • Instant auto lock freezes the frame automatically when the card is found • Refined corner dragging lets you recalibrate at any time without losing measurements • Support for both metric and imperial units • Photo library import lets you measure from existing photos, not just live camera • Built for iOS 18 and optimized for the latest iPhones and iPads ### 3.4 — 2026-05-04 VisualRuler 4 is a complete rebuild from the ground up. • Redesigned from scratch for a cleaner, faster and more intuitive measuring workflow • Smarter card detection with real time confidence feedback • Instant auto lock freezes the frame automatically when the card is found • Refined corner dragging lets you recalibrate at any time without losing measurements • Support for both metric and imperial units • Photo library import lets you measure from existing photos, not just live camera • Built for iOS 18 and optimized for the latest iPhones and iPads ### 3.3 — 2026-05-01 VisualRuler 4 is a complete rebuild from the ground up. • Redesigned from scratch for a cleaner, faster and more intuitive measuring workflow • Smarter card detection with real time confidence feedback • Instant auto lock freezes the frame automatically when the card is found • Refined corner dragging lets you recalibrate at any time without losing measurements • Support for both metric and imperial units • Photo library import lets you measure from existing photos, not just live camera • Built for iOS 18 and optimized for the latest iPhones and iPads ### 3.2 — 2026-04-30 VisualRuler 4 ist ein kompletter Neuaufbau von Grund auf. • Von Grund auf neu gestaltet klarer, schneller, intuitiver • Intelligentere Kartenerkennung mit Echtzeit Konfidenz Feedback • Sofortiges Auto Einfrieren Bild friert automatisch ein, wenn die Karte gefunden wird • Verfeinertes Eckziehen jederzeit neu kalibrieren, ohne Messungen zu verlieren • Unterstützung für metrische und imperiale Einheiten • Fotobibliothek Import aus vorhandenen Fotos messen, nicht nur live • Entwickelt für iOS 18 optimiert für neueste iPhones und iPads ### 3.1 — 2026-04-30 VisualRuler 4 ist ein kompletter Neuaufbau von Grund auf. • Von Grund auf neu gestaltet klarer, schneller, intuitiver • Intelligentere Kartenerkennung mit Echtzeit Konfidenz Feedback • Sofortiges Auto Einfrieren Bild friert automatisch ein, wenn die Karte gefunden wird • Verfeinertes Eckziehen jederzeit neu kalibrieren, ohne Messungen zu verlieren • Unterstützung für metrische und imperiale Einheiten • Fotobibliothek Import aus vorhandenen Fotos messen, nicht nur live • Entwickelt für iOS 18 optimiert für neueste iPhones und iPads ## Apps similar to VisualRuler | App | Rating | Price | Category | | --- | --- | --- | --- | | [Tape Measure & Ruler Арр](https://appshunter.io/ios/app/tape-measure-and-ruler/id1453537222) | 4.2 (4,291) | Free | Utilities | | [Measurement app for iPhone](https://appshunter.io/ios/app/measurement-app-for-iphone/id1586541589) | 4.8 (108) | Free | Utilities | | [EasyMeasure – Camera Ruler](https://appshunter.io/ios/app/easymeasure-camera-ruler/id349530105) | 4.2 (6,122) | Free | Utilities | | [AR Ruler Cam: Tape Measure](https://appshunter.io/ios/app/ar-ruler-cam-tape-measure/id848139616) | 3.8 (8) | Free | Utilities | | [Measuring Tape - AR Ruler](https://appshunter.io/ios/app/measuring-tape-ar-ruler/id1584501223) | 4.8 (326) | Free | Utilities | | [The Tape Measure & 3D Scanner](https://appshunter.io/ios/app/the-tape-measure-and-3d-scanner/id1564249382) | 4.4 (3,887) | Free | Utilities | ## More apps by altaibayar tseveenbayar - [How Long Will I Earn](https://appshunter.io/ios/app/how-long-will-i-earn/id1142178895) - [Poker Hands Quiz](https://appshunter.io/ios/app/poker-hands-quiz/id1547131406) - [Operator Blitz: Math Games](https://appshunter.io/ios/app/operator-blitz-math-games/id6760676986) All apps by altaibayar tseveenbayar: https://appshunter.io/developer/1116399254 ## Related topics [altaibayar tseveenbayar](https://appshunter.io/ios/topics/altaibayar-tseveenbayar) --- *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 2026-08-20.*