Comparison

QRat vs Luu Memory

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

Head to head
About

QRat

Easily create and customize QR codes with various styles, logos, and colors. Save your preferred settings and choose from curated templates. This tool also allows you to scan QR codes from your camera or image files.

Highlights
  • Convert URLs to QR codes from Safari
  • Customize colors, logos, and styles
  • Export in PNG, JPG, and SVG formats
  • Remember style settings
  • Curated design templates
  • Scan QR codes from camera or files
Features
Read full description

Introducing QRat: The Ultimate QR Code Generator for iOS QRat is a powerful QR code generation tool designed specifically for iOS users. With a wide range of features and seamless integration, QRat empowers you to create customized QR codes effortlessly. Here's what sets QRat apart: 1. Convert URL to QR code from Safari: - Share the URL in Safari to QRat, and use all QRat features. 2. Highly Customizable QR Codes: - QRat offers extensive customization options, including the ability to adjust colors, background colors, logos, output image size, module styles, and finder styles. Let your QR codes reflect your unique style! 3. Export in Multiple Formats: - QRat allows you to export your QR codes in PNG, JPG, and SVG formats, ensuring compatibility with diverse needs. 4. Remember Your Style Settings: - QRat understands the importance of efficiency and user convenience. It remembers your most recent style settings, eliminating the need to repeatedly configure your QR code appearance. Simply start where you left off and create stunning codes with ease. 5. Curated Design Templates: - Choose from a wide range of carefully selected QR code templates to suit different occasions and moods. 6. Scan QR Codes: - Scan QR codes using your camera, from your photos, or from image files. Unlock the potential of QR codes with QRat, and make QR codes with ease. Subscription details: QRat Pro is an optional auto-renewing subscription that gives you access to premium features including all Pro QR code styles. Privacy Policy: https://qrat.ohhandy.com/privacy Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

Luu Memory

Securely encrypt and store your private messages, ensuring they remain inaccessible to third parties. Schedule messages to be sent to the future and grant trusted individuals permission to manage delivery.

Highlights
  • Message encryption
  • Future message delivery
  • Permission-based sharing
  • Secure storage
  • Long-term message scheduling
Features
Read full description

Luu Memory - Last time you unfold. Encrypt your secrets, they will be encrypted stay out of all third party's hand, including us! Additional features: - Send the secrets to the future - Luu makes it possible for you to send a message to tens or even hundred years in the future - Make sure your secrets can't never be send to the wrong person - By givings your trusted ones the permission to decide whether to send package to receiver or not, you can ensure that your package will landed on the right hands ( in the event that the receiver is compromised and you're no longer available to make the judgement )

Screenshots

QRat4 screens
Luu Memory4 screens

Verdict

The call

The clearest difference is review sentiment: Luu Memory at 100% against QRat's 44%. Luu Memory also leads on in-app purchases (none vs 3) and iOS requirement (14 vs 16.4). QRat's advantage is ads (none vs shown) and update cadence (weekly vs every 4 weeks). On price and device support 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. QRat sells 3 in-app purchases, starting at $2.99 per month. Luu Memory asks for nothing beyond the download.

UpkeepUpdate frequency

QRat ships an update weekly, Luu Memory every 4 weeks. The most recent releases landed on November 3, 2026 and October 27, 2026 respectively.

Scorecard6 real differences · 4 level
QRat versus Luu Memory: the parameters behind the verdict, then further details
ParameterQRatLuu Memory
PriceFreeFree
Rating5.0 (1 ratings) — better—
Positive reviews43.8% of reviews100.0% of reviews — better
Number of ratings1 — better—
Update frequencyWeekly — betterEvery 4 weeks
AdsNo — betterYes
In-app purchasesYesNo — better
MonetizationFreemiumAd-supported — better
DevicesiPhone, MaciPhone, iPad, iPod — better
Requires iOS16.414 — better
Further details — not scored
Size18 MB27 MB
Age rating4+4+
Developer泰宁 陆An Do

Customer experience

QRat

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews16 reviews
Positive43.8%
Neutral6.3%
Negative50.0%

Luu Memory

Written reviews2 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

3 purchases

QRat

Subscriptions1
  • QRat Pro Monthly7 Days trial$2.991 Month
One-time2
  • Free Trial for 7 daysFree
  • Lifetime License$9.99
None

Luu Memory

No in-app purchases

Questions

Is QRat free?
QRat is free to download, with in-app purchases available.
Is Luu Memory free?
Luu Memory is free to download, with no in-app purchases.
Do QRat or Luu Memory have ads?
Luu Memory shows ads; QRat does not.
Which is updated more often, QRat or Luu Memory?
QRat ships an update weekly, and Luu Memory every 4 weeks. Most recently, QRat was updated on November 3, 2026 and Luu Memory on October 27, 2026.

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