Comparison

MyBarcode vs Müller

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

Head to head
About

MyBarcode

Easily add and retrieve memos for your barcodes. Scan items like books or stationery to attach titles, details, URLs, and images. Re-scanning displays your saved information.

Highlights
  • Scan barcodes
  • Add titles, details, URLs
  • Attach images
  • Retrieve saved memo data
  • Supports books, CDs, stationery
Features
Read full description

"MyBarcode" can add memo to barcodes attached to books, CDs, stationery etc. Please start the application and scan the barcode. Title, details, URL, images can be registered. Once scanned again, the registered memo data is displayed. 【Note】 1. QR code is not supported. 2. You can not register different memos in the same barcode. 3. It is not displayed when the image is deleted from your phone. 4. Up to 300 barcodes can be registered.

About

Müller

Features
Read full description

Here’s the English translation: This app is a convenient tool for easily experimenting with the Müller-Lyer illusion. No special equipment or paper is needed—just your smartphone to experience the fascinating world of optical illusions. Key Features: Super easy to use! Perfect for classroom lessons and scientific experiments. Record illusion experiments in sets of 10 trials Ideal for group projects and individual research. Scientific data recording Simply tap where the horizontal lines of outward- and inward-facing figures "appear equal"! The recorded illusion magnitude (in pixels) is helpful for comparisons in subsequent experiments. Randomized display of ascending and descending series The order of ascending and descending series is randomized, ensuring unbiased data collection. Clear display of initial conditions The app displays the starting position and other conditions at the beginning of each trial, making it convenient for analysis and retrying experiments. Data saved securely on your device All experiment results are safely stored on your smartphone. Data management is simple, and retrying is effortless! Learn while having fun! Explore the mysteries of optical illusions while improving observation and analytical skills. This app is enjoyable for students, educators, psychology enthusiasts, and anyone curious about the science of perception. Download now and take your first step into the world of science!

Screenshots

MyBarcode4 screens
Müller4 screens

Verdict

The call

The clearest difference is iOS requirement: Müller at 12.0 against MyBarcode's 15.0. On price, update cadence, ads and in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

MyBarcode ships an update every 6 months, Müller every 9 months. The most recent releases landed on October 7, 2026 and October 10, 2026 respectively.

Scorecard1 real difference · 9 level
MyBarcode versus Müller: the parameters behind the verdict, then further details
ParameterMyBarcodeMüller
PriceFreeFree
Rating3.0 (1 ratings) — better—
Positive reviews66.7% of reviews—
Number of ratings1 — better—
Update frequencyEvery 6 months — betterEvery 9 months
AdsYesYes
In-app purchasesNoNo
MonetizationAd-supported—
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS15.012.0 — better
Further details — not scored
Size7 MB30 MB
Age rating4+4+
DeveloperTadashi KinoshitaSOCIA LABO, K.K.

In-app purchases

None

MyBarcode

No in-app purchases

None

Müller

No in-app purchases

Questions

Is MyBarcode free?
MyBarcode is free to download, with no in-app purchases.
Is Müller free?
Müller is free to download, with no in-app purchases.
Do MyBarcode or Müller have ads?
Both MyBarcode and Müller show ads.
Which is updated more often, MyBarcode or Müller?
MyBarcode ships an update every 6 months, and Müller every 9 months. Most recently, MyBarcode was updated on October 7, 2026 and Müller on October 10, 2026.

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