Comparison

Ruler ++ vs 3D Snap

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

Head to head
About

Ruler ++

This app allows you to measure lengths accurately in both inches and centimeters. It provides a simple and straightforward tool for quick measurements.

Highlights
  • Measure in inches
  • Measure in centimeters
  • Accurate length measurement
  • Simple interface
Features
Read full description

Measure length in inches and cm.

About

3D Snap

Transform your iPhone into a powerful floor plan creator and 3D scanner using LiDAR technology. Quickly capture room layouts, measure spaces, and visualize objects in 3D for renovation, interior design, or moving.

Highlights
  • LiDAR-powered room scanning
  • Instant floor plan generation
  • 3D object scanning from photos
  • Accurate AR measurements
  • Export floor plans and 3D models
  • Measure walls, areas, and furniture
Features
Read full description

Turn your iPhone into the ultimate floor plan creator with 3D Snap, powered by cutting-edge LiDAR and AI. Renovating your home or rearranging furniture? Moving and want to make sure everything will fit in your new apartment? 3D Snap lets you scan rooms in seconds, saving you hours of manual measuring. Just point your camera and start scanning. The smart LiDAR and AI technologies capture walls, doors, and furniture—delivering complete floor plans, 3D models, and precise dimensions instantly. Join 2 million+ professionals and DIY enthusiasts who plan smarter. WHY 3D SNAP? • Time saved: Scan a room in 30 seconds. • No LiDAR required: AI-powered photo scanning creates a full 3D room plan on any device. • Accuracy you can trust: Measure walls, areas, and furniture for draft planning and fit checks. • Photo to 3D: Capture objects with a single photo for instant 3D visualization. • Professional exports: Share floor plans and 3D models as PDFs or import them into design software. • Easy to use: DIYers and pros alike can scan, plan, and visualize without technical skills. FLOOR PLAN CREATOR Need a floor plan for a contractor or client? Scan any room and get a complete layout instantly. Just walk through with your camera, and walls, doors, and furniture will appear automatically. Get accurate results in just 30 seconds. 3D OBJECT SCANNER Capture any object in full 3D—even items in hard-to-reach places, like ceiling lights, high windows, or tall bookcases. Just snap a photo and let AI create a 3D prototype instantly. Perfect for checking how furniture will fit into your space or creating references for custom orders. MEASURE & ALIGN TOOLS Point your camera at any surface to get instant dimensions with the AR ruler. Calculate areas for flooring or paint estimates. Check horizontal and vertical alignment to hang art or level shelves. EXPORT & SHARE Save your scans as PDFs, 3D files, or images. Send floor plans to contractors, import models into design software, or add them to client proposals. Your scans will be ready for any professional workflow, straight from your iPhone. DECOR & VISUALIZATION Experiment with colors and textures for floors and walls using single-click presets. Try different furniture arrangements to see how your space will look before you buy, build, or renovate. Your all-in-one 3D scanner app is here. Download 3D Snap and turn any space into a plan! 3D Snap PRO – Subscribe to get access to all features. You will be charged after your purchase is confirmed. – Subscriptions auto-renew 24 hours before the expiration date. You can manage your subscriptions in Account Settings on the App Store. Terms of Use: http://bpmob.com/3d_scan_ios/terms/en/ Privacy Policy: http://bpmob.com/3d_scan_ios/privacy/en/

Screenshots

Ruler ++1 screens
3D Snap4 screens

Verdict

The call

The clearest difference is rating: 3D Snap at 4.0 against Ruler ++'s 3.5. 3D Snap also leads on update cadence (every 3 weeks vs every 5 months) and review sentiment (32% vs 15%). Ruler ++'s advantage is ads (none vs shown) and iOS requirement (8.0 vs 18.0). On price, ratings volume, in-app purchases and monetization model 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. Ruler ++ sells 1 one-off in-app purchase and 3D Snap sells 15 in-app purchases, starting at $4.99 per 7 days. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

3D Snap holds the better App Store score, 4.0 against 3.5. Both are backed by a comparable volume of ratings — 934 and 408 respectively. Written reviews point the same way: 15% of Ruler ++'s written reviews are positive against 32% of 3D Snap's.

UpkeepUpdate frequency

Ruler ++ ships an update every 5 months, 3D Snap every 3 weeks. Both last shipped on September 26, 2026.

Scorecard6 real differences · 5 level
Ruler ++ versus 3D Snap: the parameters behind the verdict, then further details
ParameterRuler ++3D Snap
PriceFreeFree
Rating3.5 (934 ratings)4.0 (408 ratings) — better
Positive reviews14.9% of reviews32.1% of reviews — better
Number of ratings934 — better408
Update frequencyEvery 5 monthsEvery 3 weeks — better
AdsNo — betterYes
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
Best chart rank—#152 — better
DevicesiPhone, iPodiPhone, iPad
Requires iOS8.0 — better18.0
Further details — not scored
Size17 MB170 MB
Age rating4+4+
DeveloperFapps World et Cie S.E.C.S.BPMobile

Customer experience

Ruler ++

All ratings934 ratings
Positive61.9%
Neutral4.3%
Negative33.8%
Written reviews826 reviews
Positive14.9%
Neutral3.9%
Negative81.2%

3D Snap

All ratings408 ratings
Positive74.3%
Neutral2.2%
Negative23.5%
Written reviews521 reviews
Positive32.1%
Neutral6.3%
Negative61.6%

User reviews

Ruler ++

From 934 App Store ratings

What we love

  • 👍 Simple and quick to use
  • 👍 Includes both metric and Imperial measures
  • 🚀 Great for wanting to measure displayed length

Room to improve

  • 🐛 Measurements are not accurate
  • 🐛 Ruler not matching real-world measurements
  • 🐛 Ruler not scaling properly on different devices
  • 🔋 Ads make it impossible to use
  • 🔋 Constant, intrusive ads

3D Snap

From 408 App Store ratings

What we love

  • 🚀 Accurate measurements
  • 👍 Easy to use
  • 🤩 Helpful for home improvement projects
  • 💯 Stunningly realistic 3D models

Room to improve

  • 🐛 Crashes frequently
  • 🤯 Confusing navigation and UI
  • 💰 Expensive subscription model
  • 🚫 Incompatible with older devices
  • 🤔 Inaccurate room scans and measurements

Bugs and requests

Ruler ++

Reported bugs

3 issues
  • Ruler markings are incorrect
  • Ruler not displaying full length on screen
  • Incompatible with newer iPhone models

Requested features

3 requests
  • Add ability to calibrate ruler for different devices
  • Improve accuracy of measurements
  • Reduce or remove ads

3D Snap

Reported bugs

3 issues
  • Walls appear crooked in 3D models
  • Furniture obstructs accurate scanning
  • Difficulty cancelling subscription

Requested features

4 requests
  • Ability to edit scanned rooms
  • Option to manually input measurements
  • Export functionality for floor plans
  • Multi-room support

In-app purchases

1 purchases

Ruler ++

One-time1
  • Advertisement-free upgrade$0.99
15 purchases

3D Snap

Subscriptions15
  • Premium$4.997 Days
  • Premium3 Days trial$5.997 Days
  • Premium$5.997 Days
Show 12 more
  • Premium$6.997 Days
  • Premium3 Days trial$6.997 Days
  • Premium3 Days trial$7.997 Days
  • Premium$8.997 Days
  • Premium3 Days trial$8.997 Days
  • Premium$9.997 Days
  • Premium3 Days trial$9.997 Days
  • Premium2 variants$19.991 Year
  • Premium$29.991 Year
  • Premium$39.991 Year
  • Premium$149.991 Year
  • Premium3 Days trial$149.991 Year

Questions

Is Ruler ++ free?
Ruler ++ is free to download, with in-app purchases available.
Is 3D Snap free?
3D Snap is free to download, with in-app purchases available.
Which has better reviews, Ruler ++ or 3D Snap?
3D Snap is rated higher. Ruler ++ averages 3.5 out of 5 from 934 ratings, while 3D Snap averages 4.0 from 408 ratings.
Do Ruler ++ or 3D Snap have ads?
3D Snap shows ads; Ruler ++ does not.
Which is updated more often, Ruler ++ or 3D Snap?
Ruler ++ ships an update every 5 months, and 3D Snap every 3 weeks. Most recently, Ruler ++ was updated on September 26, 2026 and 3D Snap on September 26, 2026.

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