Comparison

MarkX Image Meter Markup Ruler vs OneStamp

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

MarkX Image Meter Markup Ruler

Transform photos into precise measurement records with this app. It allows for manual input of lengths, automatic measurements using perspective correction, LiDAR depth, or Bluetooth laser meters, and generates professional reports.

Highlights
  • Perspective correction for angled photos
  • LiDAR depth measurement on compatible devices
  • Bluetooth laser meter integration
  • Area and perimeter calculations
  • Professional PDF measurement reports
  • Rich annotation tools including text and icons
  • Customizable units and layers
Features
Read full description

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

About

OneStamp

This app allows you to crop photos into unique stamp-shaped images. It encourages a new perspective by focusing on small details within a larger picture, revealing hidden emotions and stories. Transform everyday scenes into distinctive visual stamps.

Highlights
  • Stamp-shaped photo cropping
  • Focus on image details
  • Reframing everyday scenes
  • Discover hidden emotions
  • Unique visual perspective
Features
Read full description

Sometimes, what moves us is not the whole photo, but a very small part of it. OneStamp helps you crop your photos into stamp-shaped images. With a simple frame, a familiar photo can take on a completely different feeling. You may begin to notice details that once went overlooked, and rediscover the emotions, textures, and stories hidden inside the image. Landscapes, plants, everyday objects, or even an unnoticed corner of daily life can all be reframed here and turned into a small stamp of your own. It is more than a simple crop. It is a different way to look at a photo. When you look closer, you may really start to see something different.

Screenshots

MarkX Image Meter Markup Ruler4 screens
OneStamp4 screens

Verdict

The call

The clearest difference is in-app purchases: MarkX Image Meter Markup Ruler at none against OneStamp's 3. MarkX Image Meter Markup Ruler also leads on iOS requirement (15.0 vs 18.0). OneStamp's advantage is ratings volume (24 vs 1). On price, rating, review sentiment and update cadence 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. OneStamp sells 3 one-off in-app purchases. MarkX Image Meter Markup Ruler asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

MarkX Image Meter Markup Ruler holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: OneStamp has 24 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 100% of MarkX Image Meter Markup Ruler's written reviews are positive against 96% of OneStamp's.

UpkeepUpdate frequency

MarkX Image Meter Markup Ruler ships an update weekly, OneStamp every 9 days. The most recent releases landed on November 5, 2026 and October 31, 2026 respectively.

Scorecard4 real differences · 6 level
MarkX Image Meter Markup Ruler versus OneStamp: the parameters behind the verdict, then further details
ParameterMarkX Image Meter Markup RulerOneStamp
PriceFreeFree
Rating5.0 (1 ratings) — better4.8 (24 ratings)
Positive reviews100.0% of reviews — better96.2% of reviews
Number of ratings124 — better
Update frequencyWeekly — betterEvery 9 days
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.0 — better18.0
Further details — not scored
Size20 MB38 MB
Age rating4+4+
DeveloperSpace-Time Transformation Technology Co., Ltd.尉卿 褚

Customer experience

MarkX Image Meter Markup Ruler

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews8 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

OneStamp

All ratings24 ratings
Positive95.8%
Neutral0.0%
Negative4.2%
Written reviews26 reviews
Positive96.2%
Neutral0.0%
Negative3.8%

In-app purchases

None

MarkX Image Meter Markup Ruler

No in-app purchases

3 purchases

OneStamp

One-time3
  • Buy Me a Coffee$0.99
  • OneStamp Pro$3.99
  • OneStamp Pro$9.99

Questions

Is MarkX Image Meter Markup Ruler free?
MarkX Image Meter Markup Ruler is free to download, with no in-app purchases.
Is OneStamp free?
OneStamp is free to download, with in-app purchases available.
Which has better reviews, MarkX Image Meter Markup Ruler or OneStamp?
MarkX Image Meter Markup Ruler is rated higher. MarkX Image Meter Markup Ruler averages 5.0 out of 5 from 1 ratings, while OneStamp averages 4.8 from 24 ratings.
Do MarkX Image Meter Markup Ruler or OneStamp have ads?
Neither MarkX Image Meter Markup Ruler nor OneStamp shows ads.
Which is updated more often, MarkX Image Meter Markup Ruler or OneStamp?
MarkX Image Meter Markup Ruler ships an update weekly, and OneStamp every 9 days. Most recently, MarkX Image Meter Markup Ruler was updated on November 5, 2026 and OneStamp on October 31, 2026.

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