Comparison

Memorandum vs QR Code Reader & Scan History

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

Head to head
About

Memorandum

Securely store and manage all your important information, including IDs and passwords, in one place. Access your data with a simple 4-digit PIN and sync across devices using iCloud. Back up your information for peace of mind.

Highlights
  • Store IDs and passwords
  • 4-digit PIN access
  • iCloud sync across devices
  • Data backup and retrieval
  • Manage various information types
Read full description

"Memorandum - Password Manager" is a memorandum tool that can record information that must be remembered, including IDs and passwords that are required in various situations. Just remember the 4 digit number to access the app. You can manage information that continues to grow by just that. Any information such as SNS, net shop, homepage, certificate, credit card, bank, game, app, mail, network etc can be recorded simply. Since iCloud is compatible, even if you have multiple devices, you can share the same information and you can use it very conveniently. (You will need to use the same PIN code when sharing data via iCloud on multiple devices) It is also possible to retrieve data for backup. You can prepare for the case of getting by merely acquiring the files in the shared folder through iTunes and backing up entirely. The reason for developing this application is because there was no application that will explain where important information is stored. This application was born because the developer wanted an application that can be recorded with peace of mind. In addition, we assume that no responsibility will be incurred in us any trouble using this application. It will be encouraging if you can highly appreciate the ability to continue developing and improving functions in the future.

About

QR Code Reader & Scan History

Features
Read full description

The fastest way to scan a QR code — and find it again later. Open the app and the camera is already scanning. No buttons, no menus, no waiting. Point it at a QR code and the link or text appears instantly. WHY PEOPLE CHOOSE THIS SCANNER • Instant scanning — the camera starts the moment you open the app • Scan from photos & screenshots — read QR codes saved in your Photos • Scan QR codes on your screen — use "Read QR" from the share menu in Safari, Photos or any app, without switching apps • History with notes — every scan is saved automatically, so you never lose a link • One tap from Control Center — launch the scanner from anywhere SCAN ANYTHING Restaurant menus, event tickets, coupons, Wi-Fi cards, flyers, business cards, product labels, payment links and more. Works in the dark with the built-in flashlight. USE RESULTS RIGHT AWAY • Open links in Safari or your browser • Copy text with one tap • Share to any app via the share sheet NEVER LOSE A QR CODE AGAIN Scanned codes are saved to your history. Add a note like "conference Wi-Fi" or "coupon from the café", then find it later with keyword search. Delete items one by one or clear everything at once. SIMPLE & LIGHTWEIGHT One job, done well. No sign-up, no account — just open and scan. *QR Code is a registered trademark of DENSO WAVE INCORPORATED.

Screenshots

Memorandum4 screens
QR Code Reader & Scan History4 screens

Verdict

The call

The clearest difference is in-app purchases: QR Code Reader & Scan History at none against Memorandum's 7. QR Code Reader & Scan History also leads on update cadence (fortnightly vs every 6 weeks). Memorandum's advantage is device support (3 vs 1) and iOS requirement (12.0 vs 18.6). On price and ads 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. Memorandum sells 7 one-off in-app purchases. QR Code Reader & Scan History asks for nothing beyond the download.

UpkeepUpdate frequency

Memorandum ships an update every 6 weeks, QR Code Reader & Scan History fortnightly. The most recent releases landed on October 16, 2026 and October 13, 2026 respectively.

Scorecard4 real differences · 4 level
Memorandum versus QR Code Reader & Scan History: the parameters behind the verdict, then further details
ParameterMemorandumQR Code Reader & Scan History
PriceFreeFree
Positive reviews46.0% of reviews—
Update frequencyEvery 6 weeksFortnightly — better
AdsYesYes
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS12.0 — better18.6
Further details — not scored
Size6 MB5 MB
Age rating4+4+
DeveloperBistro ISAKIASAYA, LLC

In-app purchases

7 purchases

Memorandum

One-time7
  • 17 items use license$0.99
  • 20 items use license$0.99
  • 8 items use license$1.99
Show 4 more
  • 11 items use license$1.99
  • 14 items use license$1.99
  • Ad delete license$3.99
  • Ver.1 Pro License$4.99
None

QR Code Reader & Scan History

No in-app purchases

Questions

Is Memorandum free?
Memorandum is free to download, with in-app purchases available.
Is QR Code Reader & Scan History free?
QR Code Reader & Scan History is free to download, with no in-app purchases.
Do Memorandum or QR Code Reader & Scan History have ads?
Both Memorandum and QR Code Reader & Scan History show ads.
Which is updated more often, Memorandum or QR Code Reader & Scan History?
Memorandum ships an update every 6 weeks, and QR Code Reader & Scan History fortnightly. Most recently, Memorandum was updated on October 16, 2026 and QR Code Reader & Scan History on October 13, 2026.

Other comparisons