Comparison

Vanishing Notes vs QR Analyzer

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

Head to head
About

Vanishing Notes

Features
Read full description

Some notes don't need to live forever. The hotel Wi-Fi password. Your table number. The delivery driver's phone number. The gate code for a place you're visiting once. Where you parkedβ€”again. These aren't memories. They're temporary. So why do they clutter your notes app forever? Vanishing Notes is a notepad for temporary notes. Write something down and it deletes itself automaticallyβ€”after 1 hour, 24 hours, 7 days, or 30 days, or any custom time from 1 to 24 hours. You choose. No manual cleanup. No scrolling past outdated notes. Just what you need, right now. SIMPLE BY DESIGN β€’ Tap to write. Swipe to delete. That's it. β€’ Clean, minimal interface with a paper-and-ink look β€’ See at a glance how much time each note has left β€’ Edit notes right in the listβ€”no extra screens β€’ Copy any note with one tap β€’ Dark mode that's easy on your eyes WORKS EVERYWHERE β€’ Syncs across iPhone, iPad, and Mac with iCloud β€’ Home Screen widgets show your notes at a glance β€’ Siri & Shortcuts: create, find, and hear your notes by voice β€’ Spotlight search finds your notes from anywhere β€’ Keyboard shortcuts on Mac and iPad β€’ Available in 20 languages NOTHING IS TRULY GONE Changed your mind? Deleted notes stay in Trash for 30 days. Restore anything with one tap. PRIVATE BY DEFAULT Your notes stay on your devices and in your own iCloud. No account, no sign-up, no ads. TRY IT FREE Vanishing Notes includes a 7-day free trial. After that, a single one-time purchase unlocks unlimited notes forever. No subscriptions. Stop letting temporary notes become permanent clutter.

About

QR Analyzer

Features
Read full description

QR Analyzer is a visualization and learning tool designed for anyone who wants to understand the internal structure of QR codes. Unlike typical readers that simply display decoded text, this app reveals how a QR code is constructed through color-coded layers and matrix views. Key Features - Capture a QR code with your camera and analyze it instantly - Color-coded visualization of Finder Patterns, Timing Patterns, Format Information, Version Information, Data modules, and Error Correction (ECC) modules - Display of mask patterns and the unmasked bit matrix - Detailed metadata: version, error correction level, mask pattern, size, number of data codewords, and number of ECC codewords Recommended For - Students and engineers who want to learn QR code specifications and internal structures - Developers who need to inspect or debug their own QR libraries or decoders - Anyone who wants to go beyond simple 'reading' and truly understand how QR codes work QR Analyzer transforms QR codes from 'a grid of black squares' into a meaningful, structured system you can explore and learn from.

Screenshots

Vanishing Notes4 screens
QR Analyzer4 screens

Verdict

The call

The clearest difference is ads: Vanishing Notes at none against QR Analyzer's shown. QR Analyzer's advantage is iOS requirement (15.6 vs 26.2). On price, update cadence, in-app purchases and device support there is nothing between them.

Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS

CostPrice Β· In-app purchases Β· Ads Β· Monetization

Both are free to download. Vanishing Notes sells 1 one-off in-app purchase and QR Analyzer sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Vanishing Notes ships an update every 3 weeks, QR Analyzer fortnightly. The most recent releases landed on November 5, 2026 and November 3, 2026 respectively.

Scorecard2 real differences Β· 4 level
Vanishing Notes versus QR Analyzer: the parameters behind the verdict, then further details
ParameterVanishing NotesQR Analyzer
PriceFreeFree
Update frequencyEvery 3 weeksFortnightly β€” better
AdsNo β€” betterYes
In-app purchasesYesYes
DevicesiPhone, iPad, MaciPhone, iPad, iPod
Requires iOS26.215.6 β€” better
Further details β€” not scored
Size15 MB25 MB
Age rating4++4
Developeramir hayekakira ohmachi

In-app purchases

1 purchases

Vanishing Notes

One-time1
  • Full Version$1.99
1 purchases

QR Analyzer

One-time1
  • Remove Ads$1.99

Questions

Is Vanishing Notes free?
Vanishing Notes is free to download, with in-app purchases available.
Is QR Analyzer free?
QR Analyzer is free to download, with in-app purchases available.
Do Vanishing Notes or QR Analyzer have ads?
QR Analyzer shows ads; Vanishing Notes does not.
Which is updated more often, Vanishing Notes or QR Analyzer?
Vanishing Notes ships an update every 3 weeks, and QR Analyzer fortnightly. Most recently, Vanishing Notes was updated on November 5, 2026 and QR Analyzer on November 3, 2026.

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