Comparison

QR Code Scanner vs Simple Memo

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

Head to head
About

QR Code Scanner

This app quickly and accurately scans QR codes and barcodes using your iPhone camera. It features autofocus, a scan history, and the ability to read codes from photos or in low light conditions.

Highlights
  • Reads QR codes/barcodes in 0.1 seconds
  • Autofocus function
  • Automatic scan history saving
  • Reads from photo albums
  • Reads in dark places
Features
Read full description

Official Japanese-made QR code reader Accurately reads QR codes/barcodes in just 0.1 seconds. Anyone can use it automatically and easily by simply holding up the iPhone camera. <Main features> - Autofocus function works even with camera shake - Automatically saves scan history - Can read from photo albums - Can read in dark places

About

Simple Memo

Features
Read full description

Simple Memo - Checklist is a simple memo app that lets you quickly use both memos and checklists. Write down ideas as they come to you, or manage to-dos and shopping with checklists. With no complicated settings or operations, you can start writing whenever you need to. Use it as a memo pad, to-do list, or shopping list for everything from quick everyday notes to organizing your tasks. 【Main Features】 ・Quickly switch between memos and checklists ・Manage to-dos and shopping with checklists ・Swipe left or right to move between pages ・Create up to 10 pages ・Reorder and delete items ・Rename pages freely

Screenshots

QR Code Scanner3 screens
Simple Memo4 screens

Verdict

The call

The clearest difference is in-app purchases: QR Code Scanner at none against Simple Memo's 1. QR Code Scanner also leads on update cadence (every 10 days vs every 2 months). On price, ads, 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Simple Memo sells 1 one-off in-app purchase. QR Code Scanner asks for nothing beyond the download.

UpkeepUpdate frequency

QR Code Scanner ships an update every 10 days, Simple Memo every 2 months. The most recent releases landed on October 9, 2026 and October 16, 2026 respectively.

Scorecard2 real differences · 6 level
QR Code Scanner versus Simple Memo: the parameters behind the verdict, then further details
ParameterQR Code ScannerSimple Memo
PriceFreeFree
Positive reviews100.0% of reviews—
Update frequencyEvery 10 days — betterEvery 2 months
AdsYesYes
In-app purchasesNo — betterYes
MonetizationAd-supported—
DevicesiPhoneiPhone, iPad — better
Requires iOS16.016.0
Further details — not scored
Size37 MB4 MB
Age rating4+4+
Developermirai satoSota Yamamoto

In-app purchases

None

QR Code Scanner

No in-app purchases

1 purchases

Simple Memo

One-time1
  • Remove Ads$2.49

Questions

Is QR Code Scanner free?
QR Code Scanner is free to download, with no in-app purchases.
Is Simple Memo free?
Simple Memo is free to download, with in-app purchases available.
Do QR Code Scanner or Simple Memo have ads?
Both QR Code Scanner and Simple Memo show ads.
Which is updated more often, QR Code Scanner or Simple Memo?
QR Code Scanner ships an update every 10 days, and Simple Memo every 2 months. Most recently, QR Code Scanner was updated on October 9, 2026 and Simple Memo on October 16, 2026.

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