Comparison

AR Ruler vs QR Code Reader & Barcode Maker

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

Head to head
About

AR Ruler

Measure objects and spaces using your phone's camera. Create 3D floor plans, check if surfaces are level, and save your measurements with dimensions. Supports multiple units for domestic and international use.

Highlights
  • Measure length, height, and width
  • Generate 3D floor plans
  • Digital bubble level
  • Save and share measurements
  • Supports cm, inches, and meters
  • Automatic history storage
Features
Read full description

Have you ever encountered such a situation? I want to measure if the table can hold the newly purchased desk lamp, but the tape measure is missing. I want to know if this wall painting will be crooked, but I don't have a spirit level at hand. I want to plan the layout of the room, but I have no idea about the size. The AR portable ruler is designed for these moments. No need for a physical ruler, simply open the camera to measure. What can it do for you? Measure things Aim at the object, click on it, and the length, height, and width will be displayed. Tables, cabinets, boxes, packages, everything has energy. There is no problem with vertical surfaces, just scan the walls, floors, and door frames with a camera. Painting Room Scan the entire room and automatically generate a 3D floor plan. It's easy to see where the door is, where the window is, and what the size is. Measure before moving, compare before buying furniture, to avoid finding that you can't fit it when you come back. leveling Hanging paintings, installing shelves, setting up projectors, placing your phone up, the digital bubble level will tell you if it's crooked. Accurate to 0.1 °, much more reliable than the naked eye. Write it down The measurement results can be photographed and saved, labeled with dimensions, and sent to family members or designers with just one click. All records are automatically stored in the history list and can be viewed at any time without being lost. Cut units Use whichever you want, centimeters, inches, meters. It can be used both domestically and internationally. The measurement results are for reference only and may have errors. Please do not use them for precision engineering or professional measurements. Subscription instructions: Weekly subscription: $3.99/week Annual subscription: $39.99/year Auto Renewal: The fee will be automatically deducted within 24 hours before expiration. Please manage it in iOS Settings>Apple ID>Subscription. The payment will be automatically deducted 24 hours before the end of the probation period. Privacy Policy: https://www.kdocs.cn/l/cmHuyhzHP2tf User Agreement: https://www.kdocs.cn/l/cid1rO8c0AKd

About

QR Code Reader & Barcode Maker

Easily scan and generate QR codes and barcodes for various purposes. Features include batch scanning for inventory, creating codes for links, text, social media, and events, with all records saved for quick access.

Highlights
  • Millisecond-level QR and barcode recognition
  • Batch continuous scanning for inventory
  • Generate QR codes for URLs, text, social, and events
  • Supports barcode generation
  • Automatic saving of scan and generation history
  • Select photos from album for recognition
Features
Read full description

All-in-One Scan & Generator – Scanning, Creating, Batch Processing, All in One  Main Features  Scan & Recognize Scan QR codes and barcodes with millisecond-level recognition Support selecting photos from album to recognize QR codes or barcodes Automatically identify common code types such as QR Code, Code 128, EAN-13, UPC, etc.  Batch Continuous Scan Scan multiple codes continuously without repeated operations Suitable for warehouse inventory, product entry, library management, etc. Batch results can be exported with one tap  QR Code & Barcode Generator URL: Generate link QR code Text: Convert plain text to QR code Social: Social information such as WhatsApp Phone: Quickly save a dialable number Email: Preset recipient, subject, and body Event: Generate calendar event QR code Also supports barcode generation  History Records Automatically save all scan and generation records View, search, and reuse at any time Support deletion and cleanup  Use Cases Warehouse & Retail: Batch scan product barcodes for rapid inventory Personal Daily: Scan Wi-Fi codes, link codes Workplace Collaboration: Generate QR codes for meeting events, emails, business cards Social Sharing: Generate personal social QR codes  Subscription Info 3-day free trial, automatically renews after the trial ends Weekly: $3.99,Monthly:$7.99, Yearly: $29.99 Payment will be charged to your Apple ID account upon confirmation of purchase If you do not cancel your subscription before the trial period ends, it will automatically renew To cancel your subscription, please turn off auto-renewal at least 24 hours before the current subscription period ends  Privacy Policy: https://share.note.youdao.com/s/HmSz3cxx Terms of Use: https://share.note.youdao.com/s/LBmJ25tz

Screenshots

AR Ruler4 screens
QR Code Reader & Barcode Maker4 screens

Verdict

The call

The clearest difference is monetization model: QR Code Reader & Barcode Maker at free with in-app purchases against AR Ruler's subscription. QR Code Reader & Barcode Maker also leads on update cadence (every 10 days vs every 2 months). On price, rating, review sentiment and ratings volume 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. AR Ruler sells 2 in-app purchases, starting at $3.99 per 7 days and QR Code Reader & Barcode Maker sells 3 in-app purchases, starting at $3.99 per 7 days. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 5.0 for AR Ruler against 5.0 for QR Code Reader & Barcode Maker. Both are backed by a comparable volume of ratings — 1 and 1 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

UpkeepUpdate frequency

AR Ruler ships an update every 2 months, QR Code Reader & Barcode Maker every 10 days. The most recent releases landed on September 10, 2026 and September 19, 2026 respectively.

Scorecard2 real differences · 8 level
AR Ruler versus QR Code Reader & Barcode Maker: the parameters behind the verdict, then further details
ParameterAR RulerQR Code Reader & Barcode Maker
PriceFreeFree
Rating5.0 (1 ratings)5.0 (1 ratings)
Positive reviews100.0% of reviews100.0% of reviews
Number of ratings11
Update frequencyEvery 2 monthsEvery 10 days — better
AdsNoNo
In-app purchasesYesYes
MonetizationSubscriptionFree with in-app purchases — better
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS16.615.6 — better
Further details — not scored
Size29 MB43 MB
Age rating4+4+
Developer洋洋 常奇科 李

Customer experience

AR Ruler

Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

QR Code Reader & Barcode Maker

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews2 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

2 purchases

AR Ruler

Subscriptions2
  • Weekly Member3 Days trial$3.997 Days
  • Annual subscription$39.991 Year
3 purchases

QR Code Reader & Barcode Maker

Subscriptions3
  • Vip for a week3 Days trial$3.997 Days
  • Vip January3 Days trial$7.991 Month
  • Vip for one year3 Days trial$29.991 Year

Questions

Is AR Ruler free?
AR Ruler is free to download, with in-app purchases available.
Is QR Code Reader & Barcode Maker free?
QR Code Reader & Barcode Maker is free to download, with in-app purchases available.
Which has better reviews, AR Ruler or QR Code Reader & Barcode Maker?
AR Ruler and QR Code Reader & Barcode Maker are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.
Do AR Ruler or QR Code Reader & Barcode Maker have ads?
Neither AR Ruler nor QR Code Reader & Barcode Maker shows ads.
Which is updated more often, AR Ruler or QR Code Reader & Barcode Maker?
AR Ruler ships an update every 2 months, and QR Code Reader & Barcode Maker every 10 days. Most recently, AR Ruler was updated on September 10, 2026 and QR Code Reader & Barcode Maker on September 19, 2026.

Other comparisons