Comparison

OTAC auth vs QR Code ReaderⓇ

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

Head to head
About

OTAC auth

Features
Read full description

Experience rapid and secure user/device authentication through OTAC's 8-character code. ● Quick and Easy, No Registration: Streamlined authentication without the hassle of sign-up or login processes. Your privacy is paramount; no personal information required. ● Secure Authentication with OTAC Code: Ensure robust security with time-sensitive OTAC codes. Safely access your accounts using a code that expires after a specific duration. ● Manage Multiple Accounts Easily: Effortlessly authenticate multiple accounts using a single OTAC auth app. Register and manage up to 20 accounts securely.

About

QR Code ReaderⓇ

Features
Read full description

The best app to scan QR Code and Barcode! Discover your world by scanning any QR code to get additional information. More than 15 types supported : QR Code, Barcode, Datamatrix, Code128, Code39, EAN-8, EAN-13... Create and share QR codes to open URLs, connect to WiFi hotspots, add events, read VCards, etc. You can even manage complex inventory with the business scanner mode and more. FEATURES 1. QR Code Scanning: We provide high-precision QR code recognition, which can quickly and accurately read information, whether it is a poorly printed QR code or in a low-light environment. 2.Barcode Scanning: We also provide an efficient barcode scanning function. This function is designed to quickly and accurately recognize various barcodes, allowing users to easily obtain product information, price comparisons, inventory management and other data in daily life and business activities. 3. QR Code Generator: We support users to customize the tyle of QR codes. Choose different templates and color schemes to create a unique QR code according to the visual recognition needs of personal or corporate brands. 4. Ease of use and user-friendly interface: We are committed to providing an intuitive and easy-to-use user interface, so that both technology novices and professionals can quickly get started and provide you with a smooth experience. APMEDIA PRO SUBSCRIPTION - You will receive access to the apps in the TapMedia PRO bundle for the duration of the subscription. - Subscription length: Monthly (includes one week free trial). - Subscriptions with a free trial period will automatically renew to a paid subscription. - Payments will be charged to iTunes Account at confirmation of purchase. - Your account will be charged for renewal within 24-hours prior to the end of the current period and identify the cost of the renewal. Privacy Policy: https://www.nrhapp.top/html/qr/privacy.html Terms of Use: https://www.nrhapp.top/html/qr/terms.html

Screenshots

OTAC auth4 screens
QR Code ReaderⓇ4 screens

Verdict

The call

The clearest difference is in-app purchases: OTAC auth at none against QR Code ReaderⓇ's 3. OTAC auth also leads on update cadence (every 6 weeks vs every 4 months). QR Code ReaderⓇ's advantage is iOS requirement (13.4 vs 15.0). On price, ads 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. QR Code ReaderⓇ sells 3 in-app purchases, starting at $3.99 per month. OTAC auth asks for nothing beyond the download.

UpkeepUpdate frequency

OTAC auth ships an update every 6 weeks, QR Code ReaderⓇ every 4 months. The most recent releases landed on October 5, 2026 and October 12, 2026 respectively.

Scorecard3 real differences · 3 level
OTAC auth versus QR Code ReaderⓇ: the parameters behind the verdict, then further details
ParameterOTAC authQR Code ReaderⓇ
PriceFreeFree
Update frequencyEvery 6 weeks — betterEvery 4 months
AdsNoNo
In-app purchasesNo — betterYes
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS15.013.4 — better
Further details — not scored
Size10 MB24 MB
Age rating4+4+
DeveloperswIDch LimitedWuHan ChongYue Future Technology Co., Ltd.

In-app purchases

None

OTAC auth

No in-app purchases

3 purchases

QR Code ReaderⓇ

Subscriptions2
  • Monthly$3.991 Month
  • Yearly3 Days trial$14.991 Year
One-time1
  • Lifetime$29.99

Questions

Is OTAC auth free?
OTAC auth is free to download, with no in-app purchases.
Is QR Code ReaderⓇ free?
QR Code ReaderⓇ is free to download, with in-app purchases available.
Do OTAC auth or QR Code ReaderⓇ have ads?
Neither OTAC auth nor QR Code ReaderⓇ shows ads.
Which is updated more often, OTAC auth or QR Code ReaderⓇ?
OTAC auth ships an update every 6 weeks, and QR Code ReaderⓇ every 4 months. Most recently, OTAC auth was updated on October 5, 2026 and QR Code ReaderⓇ on October 12, 2026.

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