Comparison

ITAG GHG Calculator vs QR Code

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

Head to head
About

ITAG GHG Calculator

Features
Read full description

This is a simple calculator that estimates the greenhouse gas emissions produced as a result of a set of medical equipment selected by the user.

About

QR Code

Easily scan and create QR codes and barcodes with automatic detection. Manage your scan history, customize generated codes with colors and logos, and secure your data with an app lock. Offers fast, seamless, and secure code management for personal and professional use.

Highlights
  • Scan and create QR codes/barcodes
  • Automatic code detection
  • Comprehensive history management
  • Customizable QR code appearance
  • App lock for added security
  • Fast and secure processing
Features
Read full description

To scan a QR code or barcode, simply open the app, point your camera at the code, and wait a few seconds. The app will automatically detect and recognize any code your camera is focused on, without needing to take a photo or press a button. Whether you’re scanning product barcodes, QR codes for websites, or accessing event tickets, the process is fast and seamless. Key Features: - Scan and Create QR Codes: Easily scan any QR code or barcode, and generate your own codes for sharing links, contact information, Wi-Fi credentials, and more. - History Management: Access a comprehensive history of all scanned and created codes. This feature allows you to revisit past scans and reuse created codes without having to store them elsewhere. - Customization Options: Personalize your QR codes with custom colors, logos, and patterns. Additionally, you can enable app lock for added security, ensuring only authorized users can access your scan history and generated codes. - Fast and Secure: The app is designed to offer rapid scanning without compromising on security. All scanned and generated codes are processed securely, with no data leaks. Whether you're using it for personal convenience or professional tasks, this app is an essential tool for efficient and secure code scanning and generation. Subscribe for unlimited access to all app features. - Payment will be charged to your iTunes Account upon confirmation of purchase. - Your subscription will automatically renew unless you turn off auto-renewal at least 24 hours before the end of the current subscription period. - Your account will be charged for renewal within 24 hours prior to the end of the current period, with the cost clearly specified. - You can manage your subscription and disable auto-renewal in your Account Settings after purchase. - If a free trial is offered, any unused portion will be forfeited once you purchase a subscription, if applicable. For any issues or questions regarding the app's functionality, please reach out to us at geronimoregino64@gmail.com Privacy Policy: https://docs.google.com/document/d/1fMjSzysmWVI2q7reiGkCYcdrf2BlfvYj5isq0_T7X4E/edit?usp=sharing Terms of Use: https://docs.google.com/document/d/1wItIVc9Ksm0FOjWTj41NrUuzAkUOCmc0JqTG8kfFxDM/edit?usp=sharing

Screenshots

ITAG GHG Calculator2 screens
QR Code4 screens

Verdict

The call

The clearest difference is in-app purchases: ITAG GHG Calculator at none against QR Code's 2. ITAG GHG Calculator also leads on device support (3 vs 1) and iOS requirement (13.4 vs 16.0). QR Code's advantage is update cadence (every 2 days vs every 5 months). 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. QR Code sells 2 in-app purchases, starting at $6.99 per 7 days. ITAG GHG Calculator asks for nothing beyond the download.

UpkeepUpdate frequency

ITAG GHG Calculator ships an update every 5 months, QR Code every 2 days. The most recent releases landed on October 20, 2026 and October 22, 2026 respectively.

Scorecard4 real differences · 6 level
ITAG GHG Calculator versus QR Code: the parameters behind the verdict, then further details
ParameterITAG GHG CalculatorQR Code
PriceFreeFree
Rating—4.1 (30 ratings) — better
Positive reviews—0.0% of reviews
Number of ratings—30 — better
Update frequencyEvery 5 monthsEvery 2 days — better
AdsNoNo
In-app purchasesNo — betterYes
Monetization—Free with in-app purchases
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS13.4 — better16.0
Further details — not scored
Size26 MB10 MB
Age rating12+4+
DeveloperSean JeffriesGeronimo Regino

In-app purchases

None

ITAG GHG Calculator

No in-app purchases

2 purchases

QR Code

Subscriptions2
  • Weekly$6.997 Days
  • Weekly3 Days trial$6.997 Days

Questions

Is ITAG GHG Calculator free?
ITAG GHG Calculator is free to download, with no in-app purchases.
Is QR Code free?
QR Code is free to download, with in-app purchases available.
Do ITAG GHG Calculator or QR Code have ads?
Neither ITAG GHG Calculator nor QR Code shows ads.
Which is updated more often, ITAG GHG Calculator or QR Code?
ITAG GHG Calculator ships an update every 5 months, and QR Code every 2 days. Most recently, ITAG GHG Calculator was updated on October 20, 2026 and QR Code on October 22, 2026.

Other comparisons