About this app
MarkX is a professional photo annotation and measurement tool designed for architects, engineers, contractors, inspectors, and anyone who needs to add precise markings on images. Whether you're documenting on-site construction progress, annotating renovation blueprints, evaluating real estate properties, marking up product designs, or creating instructional illustrations — MarkX helps you complete professional-grade image annotation tasks quickly and effortlessly. Rich Annotation Tools • Line Segment — automatically displays length with multiple endpoint styles for precise dimension marking • Rectangle & Circle — selection frames with full rotation support for highlighting areas • Arrow Pointers — clearly highlight key areas of interest with customizable arrow styles • Angle Measurement — precisely measure and display angle values on any image • Freehand Drawing — freely sketch curves for quick, expressive annotations • Bézier Curves — create smooth, elegant curves for polished presentations • Text Labels — 4 professional text styles: Plain, Filled, Outlined, and Callout box • Magnifier — local zoom to emphasize fine details that matter • Mosaic Tool — protect sensitive and private information with pixelation Professional-Grade Features • Multiple Unit Support: mm, cm, m, km, inch, foot, yard, mile — switch units instantly • Layer Management: independent layers that can be locked, hidden, or reordered • Undo & Redo: complete history record so you can operate with confidence • Image Cropping: built-in crop functionality to focus on what matters • Project Management: organize files in folders with thumbnail previews for quick access • Export & Share: share annotated images in full resolution via any app on your device Refined User Experience • Clean, minimalist interface design that stays out of your way • Smooth, natural operating feel optimized for touch • Dark mode support for comfortable use in any environment • Camera support with pinch-to-zoom for capturing photos directly • Localized in 10+ languages for global accessibility Who Uses MarkX? • Architects & Civil Engineers — add dimension annotations to on-site construction photos and blueprints • Interior Designers — mark up renovation plans with clear explanations for clients • Real Estate Agents — add dimension annotations to property photos for listings • Construction Workers — create field documentation and daily progress records • Product Quality Inspectors — mark dimensions and archive inspection photos with precision • Educators & Trainers — create instructional demonstration images for courses • DIY Enthusiasts — record home renovation measurements and planning notes • Insurance Adjusters — document damage with precise annotations and measurements Make MarkX your powerful work companion — handle all your professional image annotation and measurement tasks with ease! Feedback & Suggestions: makerneo.lab@gmail.com
Latest release
What’s New
Improved several issues and implemented requested features based on user feedback. We're iterating fast — we'd love your feedback: makerneo.lab@gmail.com
Audience growth
Ratings growth
Baseline captured. Growth appears after the crawler observes a changed rating count.
Momentum comes from crawler snapshots for the tracked storefront. “Viral growth signal” means unusually fast recent rating gains; it is an indicator, not download data.
Price tracking
Price intelligence
First snapshot captured. The trend line starts after the next crawler price observation.
- First observed Aug 13, 2026 · 1:55 AM Free