Comparison

Protech DNA vs QR Generator

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

Head to head
About

Protech DNA

Securely inventory your valuables and link them to a unique PIN recognized by law enforcement. This app helps identify ownership and contact information to return recovered property. It also tracks pawn shop transactions for your items.

Highlights
  • Secure property inventory
  • Law enforcement-recognized PIN
  • Forensic property marking
  • Pawn shop transaction matching
  • Room-by-room inventory management
  • Property transfer to new users
Features
Read full description

ProtechDNA offers a FREE mobile app to help our users inventory their valuables and store them securely into their account. At the time of registration each user will be assigned a unique PIN (Personal Identification Number) that is recognized by law enforcement around the country. User can apply that PIN to the property with either our DNA adhesive, which is provided FREE at the time of registration (shipping and set up fee required) or a Forensic Property Pen available online for $4.00. Both methods are forensic applications and invisible to the naked eye. All law enforcement has special detection equipment to determine if property has been marked and ability to view the invisible PIN applied to property. Users accounts will include contact details that are linked to the PIN issued at the time of registration. The PIN applied to your valuables gives law enforcement the ability to identify ownership and contact information to successfully return recovered property to its rightful owner. User account also provides you the option to manage property, including a full description of the property, including make, model, serial number, approx value, property descriptions, and upload a picture. The property descriptions entered into your account are also matched with pawn shop transactions, and if matched can notify property owner and law enforcement the property has been sold at pawn shop. Users can easily manage all their property by setting up room by room inventory, and continue to add items to securely link them to the user. User can add multiple PINs from their profile section of account. If property is sold, user can transfer property to new user from mobile app. ProtechDNA also offers additional security products online that will deter criminals, those include window warning decals - $1.50, bicycle DNA labels - $1, additional DNA for Property kits can be purchased after initial free kit is ordered for $12.99.

About

QR Generator

Features
Read full description

Completely free! No ads! Download if you like it! The best QR code and barcode scanning and generating tool that is simple yet powerful, completely free, and has no hidden fees! It includes the following features: -Supports batch scanning of up to 1000 QR codes and barcodes! -Supports various QR code generating functions, including QR codes with diverse colors and watermarked QR codes with your own image style! -One-click generation of Wi-Fi connection QR codes, contact QR codes that can be directly added, and email QR codes that can be directly sent. -Generates various QR codes for any text, expressions of love, links, phone numbers, and more. -Scans common product barcode information such as Amazon, Walmart, eBay, Taobao, and can directly jump to the corresponding store to view prices! -Conveniently manages your scanning and generating QR code history records. -In addition to QR codes, it also supports common types of barcodes such as EAN-8, EAN-13, UPC-A, UPC-E, Code 39, Code 93, Code 128, and more. -Supports PDF417, Aztec, and Data Matrix codes. -And all of its features are completely free! If you have any suggestions or questions, please feel free to contact us at dongdajieOh@yeah.net. Thank you very much!

Screenshots

Protech DNA4 screens
QR Generator4 screens

Verdict

The call

The clearest difference is update cadence: QR Generator at every 3 weeks against Protech DNA's every 2 months. On price, ads, in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Protech DNA ships an update every 2 months, QR Generator every 3 weeks. The most recent releases landed on October 2, 2026 and October 6, 2026 respectively.

Scorecard1 real difference · 9 level
Protech DNA versus QR Generator: the parameters behind the verdict, then further details
ParameterProtech DNAQR Generator
PriceFreeFree
Rating2.6 (5 ratings) — better—
Positive reviews50.0% of reviews—
Number of ratings5 — better—
Update frequencyEvery 2 monthsEvery 3 weeks — better
AdsYesYes
In-app purchasesNoNo
MonetizationAd-supported—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS13.413.0 — better
Further details — not scored
Size24 MB21 MB
Age rating4+4+
DeveloperAegis Controls LLC金桃 董

In-app purchases

None

Protech DNA

No in-app purchases

None

QR Generator

No in-app purchases

Questions

Is Protech DNA free?
Protech DNA is free to download, with no in-app purchases.
Is QR Generator free?
QR Generator is free to download, with no in-app purchases.
Do Protech DNA or QR Generator have ads?
Both Protech DNA and QR Generator show ads.
Which is updated more often, Protech DNA or QR Generator?
Protech DNA ships an update every 2 months, and QR Generator every 3 weeks. Most recently, Protech DNA was updated on October 2, 2026 and QR Generator on October 6, 2026.

Other comparisons