Length Converter vs MarkX Image Meter Markup Ruler
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Length Converter
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The Length Converter App is a useful tool for converting various length units effortlessly. It supports common units such as meters, kilometers, centimeters, millimeters, micrometers, and nanometers, as well as different measurement systems like inches, feet, yards, miles, nautical miles, and even light-years.\n\nDesigned for a wide range of uses, including construction, engineering, education, and everyday tasks, this app helps users quickly convert units without hassle. Whether you're checking international size measurements or performing precise calculations, this app is a must-have.\n\nKey Features:\n- Simple and intuitive design\n- Supports a wide range of units for instant conversion\n- Provides accurate and reliable calculations\n- Lightweight and fast performance with no unnecessary features\n\nPerfect for anyone who needs a quick and easy way to convert length units. Try it now!
MarkX Image Meter Markup Ruler
This tool allows professionals to add precise markings, measurements, and annotations to images. It supports various drawing tools, units, and layer management for detailed visual documentation and communication.
- Line segment annotation with length display
- Rectangle, circle, and arrow pointers
- Angle and freehand measurement
- Text labels with multiple styles
- Layer management and undo/redo
- Multiple unit support (metric & imperial)
- Mosaic tool for privacy
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MarkX turns any photo into an accurate, shareable measurement record. Snap a photo, draw a line, type the length — or let MarkX measure it for you with perspective correction, LiDAR depth or a Bluetooth laser meter. Built for contractors, architects, inspectors, interior designers and anyone who measures on site. Measure Faster on Site • Instant length entry — the number pad appears the moment you finish a line, so you can measure room after room without opening menus • Bluetooth laser meters — connect a Leica DISTO or Bosch GLM / PLR and every reading fills in the line automatically • LiDAR depth — on iPhone Pro and iPad Pro, photos taken in MarkX measure any two points without a reference object • Perspective correction — mark a tile, door or A4 sheet of known size and measure accurately even on photos taken at an angle • Reference-line scale — set one known length and every other line, rectangle and circle updates automatically • Area & perimeter — rectangles, circles and polygons show m², ft² and more for flooring, painting and tiling estimates Professional Reports • Measurement report PDF — numbered callouts on the photo plus a table of lengths, sizes and areas • Multi-photo reports — combine a whole folder or any selection of photos into one PDF for clients and crews • Info stamp — add project name, time, address and notes to the photo as on-site evidence • Export as image or PDF, print, or share the editable .markx project file Rich Annotation Tools • Lines with dimension labels and many endpoint styles • Rectangles, circles and polygons with rotation • Arrows, angles, freehand drawing and Bézier curves • Text labels in 4 styles: plain, filled, outlined and callout • Icons and inserted photos for floor plans and site notes • Magnifier to highlight details, mosaic to hide private information • Tiled text watermark to protect your photos Made for Real Work • Units: mm, cm, m, km, in, ft, yd, mi, plus your own custom units • Layers you can lock, hide and reorder, with full undo and redo • Apple Pencil support: draw with the pencil, scroll and select with your fingers • Folders, thumbnails and iCloud sync to keep every job organized • Built-in camera with grid and level, plus document scanning • Available in 14 languages, with dark mode support Who Uses MarkX? • Contractors and renovators — measure rooms, walls and openings, then send a report • Architects and engineers — document site conditions with real dimensions • Inspectors and insurance adjusters — record defects with time, location and size • Interior designers — mark up plans and photos for clients • Real estate agents — add room sizes to property photos • DIY enthusiasts — plan furniture, flooring and home projects Calibrated and LiDAR measurements are estimates based on the photo. Always verify critical dimensions on site. Feedback & suggestions: makerneo.lab@gmail.com
Screenshots
Verdict
The clearest difference is in-app purchases: MarkX Image Meter Markup Ruler at none against Length Converter's 2. MarkX Image Meter Markup Ruler also leads on ads (none vs shown) and update cadence (weekly vs every 10 months). On price, device support and iOS requirement 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. Length Converter sells 2 in-app purchases, starting at $4.99 per month. MarkX Image Meter Markup Ruler asks for nothing beyond the download.
Length Converter ships an update every 10 months, MarkX Image Meter Markup Ruler weekly. The most recent releases landed on October 28, 2026 and October 31, 2026 respectively.
| Parameter | Length Converter | MarkX Image Meter Markup Ruler |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (1 ratings) — better |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | — | 1 — better |
| Update frequency | Every 10 months | Weekly — better |
| Ads | Yes | No — better |
| In-app purchases | Yes | No — better |
| Monetization | — | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.0 | 15.0 |
| Further details — not scored | ||
| Size | 28 MB | 20 MB |
| Age rating | 4+ | 4+ |
| Developer | kota tada | Space-Time Transformation Technology Co., Ltd. |
In-app purchases
Length Converter
- Ad-free for 1 month7 Days trial$4.991 Month
- Ad-free for 1 year14 Days trial$49.991 Year
MarkX Image Meter Markup Ruler
No in-app purchases
Questions
Is Length Converter free?
Is MarkX Image Meter Markup Ruler free?
Do Length Converter or MarkX Image Meter Markup Ruler have ads?
Which is updated more often, Length Converter or MarkX Image Meter Markup Ruler?
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