Comparison

Oil vs 2FA QR Code App

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

Head to head
About

Oil

Features
Read full description

Oil-SmartView APP: Deinen Heizöltank stets im Blick u. Kontrolle! Mit der TESCON APP “Oil-SmartView“ hast du den Füllstand deines Heizöltanks stets auf dem Mobile unter Kontrolle: Aktueller Füllstand (% + Liter),“Reserve“-Alarm, Verbrauchsauswertung 3 Jahre, etc. Für sämtliche Öltanks geeignet. Der Öltank wird/ist mit einen Tecson-Tankanzeiger LX oder e-litro ausgerüstet. Über GSM / LAN / WLAN werden der APP die live-Daten bereitgestellt. Nachrüstung ist möglich. Teste die APP mit dem Demo-Login! Tecson bietet: - Öltank-Anzeigegeräte - Profi Tankanzeigesysteme - Tankmesssonden - Bestands-Fernüberwachung - Öltank-Monitoring mit OilView u. APP (neu) - Unterstützung des Heizölhandels - Aktueller Preistrend und Prognose zur Preisentwicklung. - Charts über die Preisentwicklung - Marktkommentar - Ölpreis-Seite Nordseeöl BRENT und US Leitsorte WTI - Heizölpreise - Heizölbestellungen - Heizöl Durchschnittspreis in Deutschland

About

2FA QR Code App

Instantly scan QR codes and barcodes with your device's camera. Access a history of all your scans, save important results, and export them for later use. Offers customizable settings and ensures privacy.

Highlights
  • Scan QR and barcodes
  • Create custom QR codes
  • Product info and price checks
  • Comprehensive scan history
  • Save and export scan data
  • High accuracy and speed
  • Customizable settings
Read full description

Scan QR and barcodes in seconds! Easily create your own custom QR codes. Secure your accounts with the built-in 2FA Authenticator! Instantly check product info and prices for smarter shopping! ScanMaster is a powerful and user-friendly iOS app designed to transform your smartphone into a versatile barcode and QR code scanner — now with a built-in two-factor authentication (2FA) tool to keep your online accounts safe. With ScanMaster, you can effortlessly scan various types of barcodes and QR codes using your device's camera, generate your own QR codes, and manage your 2FA codes all in one place, making it an essential tool for both personal and professional use. Key Features: Scan Barcodes and QR Codes: With ScanMaster, simply point your device's camera at any barcode or QR code, and the app will quickly and accurately scan and decode the information. Whether you're scanning product barcodes, ticket QR codes, or promotional QR codes, ScanMaster has got you covered. 2FA Authenticator: Protect your online accounts with the built-in two-factor authentication tool. ScanMaster generates secure, time-based one-time passwords (TOTP) for your favorite services — including Google, Facebook, Instagram, X, GitHub, Amazon, and more. Simply scan the QR code provided by the service to add an account, and ScanMaster will display your rotating 6-digit verification codes whenever you need them. All 2FA secrets are stored locally and securely on your device. History of Scans: The app maintains a comprehensive history of all your previous scans, allowing you to revisit and access the scanned information whenever needed. You can conveniently browse through your scan history, view the details, and even share the results with others. Organized Scan History: ScanMaster organizes your scan history chronologically, making it easy to find specific scans based on the date and time they were performed. You can also search for particular scan results using keywords to find information quickly. Save and Export: If you want to keep a record of specific scans for future reference, ScanMaster enables you to save the scan results locally on your device. Furthermore, you can export the scan history as a CSV file, making it simple to share, backup, or analyze the data. Scan Accuracy and Speed: ScanMaster utilizes advanced barcode and QR code recognition technology to ensure high accuracy and quick scanning. The app can effortlessly read codes, even in low-light conditions, for a seamless scanning experience. Real-Time Feedback: The app provides real-time feedback during scanning, giving you visual and audio cues when a successful scan is made. This feature ensures that you can effortlessly capture the code without any guesswork. Customizable Settings: Tailor the app to suit your preferences by adjusting various settings. Customize scan sounds, choose the default actions for different types of codes, and adjust display preferences to make ScanMaster work just the way you like. Privacy and Security: ScanMaster prioritizes user privacy and data security. The app does not store any personal or sensitive information from the scans, and all 2FA account secrets stay on your device — never uploaded to any server — ensuring your data remains confidential and protected. Whether you're a business professional, a retail enthusiast, or someone who simply wants a faster, more secure way to manage codes and logins, ScanMaster offers a simple, efficient, and reliable all-in-one solution. Unlock the potential of your iOS device and download ScanMaster today to enjoy hassle-free barcode scanning, QR code creation, and secure 2FA authentication — all at your fingertips! Note: You can find the Terms of Use here: https://www.tensortechapps.com/tandc

Screenshots

Oil4 screens
2FA QR Code App4 screens

Verdict

The call

The clearest difference is in-app purchases: Oil at none against 2FA QR Code App's 7. Oil also leads on ads (none vs shown) and iOS requirement (13.0 vs 15.5.0). 2FA QR Code App's advantage is update cadence (every 3 weeks vs every 3 months). 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. 2FA QR Code App sells 7 in-app purchases, starting at $5.99 per 7 days. Oil asks for nothing beyond the download.

UpkeepUpdate frequency

Oil ships an update every 3 months, 2FA QR Code App every 3 weeks. The most recent releases landed on October 6, 2026 and October 25, 2026 respectively.

Scorecard4 real differences · 6 level
Oil versus 2FA QR Code App: the parameters behind the verdict, then further details
ParameterOil2FA QR Code App
PriceFreeFree
Rating—4.1 (458 ratings) — better
Positive reviews—31.0% of reviews
Number of ratings—458 — better
Update frequencyEvery 3 monthsEvery 3 weeks — better
AdsNo — betterYes
In-app purchasesNo — betterYes
Monetization—Free with in-app purchases
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS13.0 — better15.5.0
Further details — not scored
Size39 MB64 MB
Age rating4+4+
DeveloperTECSON Apparate GmbHTensortech Apps

Bugs and requests

Oil

Not enough reviews yet to summarise bugs or requests.

2FA QR Code App

Reported bugs

9 issues
  • Cannot cancel subscription
  • App redirects to paid version
  • QR scanner not working
  • Loud beep on scan attempt
  • App charges without authorization
Show 4 more
  • Cannot uninstall app
  • No option to cancel payment
  • App does not scan QR codes
  • App does not provide product info

Requested features

4 requests
  • Option to cancel purchases
  • Clearer pricing and subscription terms
  • Improved QR scanning functionality
  • Ability to scan from camera roll

In-app purchases

None

Oil

No in-app purchases

7 purchases

2FA QR Code App

Subscriptions7
  • QR Pro - Weekly Trial3 Days trial$5.997 Days
  • QR Pro - Weekly Trial3 Days trial$6.997 Days
  • QR Pro - Weekly$7.997 Days
Show 4 more
  • QR Pro - Weekly Trial3 Days trial$7.997 Days
  • QR Pro - Weekly Trial3 Days trial$9.997 Days
  • QR Pro - Monthly$19.991 Month
  • QR Pro - Yearly$34.991 Year

Questions

Is Oil free?
Oil is free to download, with no in-app purchases.
Is 2FA QR Code App free?
2FA QR Code App is free to download, with in-app purchases available.
Do Oil or 2FA QR Code App have ads?
2FA QR Code App shows ads; Oil does not.
Which is updated more often, Oil or 2FA QR Code App?
Oil ships an update every 3 months, and 2FA QR Code App every 3 weeks. Most recently, Oil was updated on October 6, 2026 and 2FA QR Code App on October 25, 2026.

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