Comparison

Unit Converter and Calc vs Authenticator App | Two Factor

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

Head to head
About

Unit Converter and Calc

This app offers a comprehensive suite of conversion tools for everyday needs, including units of length, weight, temperature, and currency. It also functions as a scientific and arithmetic calculator, with specialized calculators for age, EMI, BMI, and more.

Highlights
  • Unit conversion for length, weight, temperature, volume, time
  • Scientific and arithmetic calculator
  • Real-time currency and cryptocurrency converter
  • Age, EMI, BMI, Percentage, GST calculators
  • History display for previous calculations
  • Floating calculator for multitasking
Features
Read full description

Quick, easy, free unit calculator for your daily operations. This Unit Converter and Calc converts between common units of length, area, temperature, volume, weight, time, and many more. Super Unit Calculator is an easy-to-use calculator for your day-to-day needs with the ability to convert most of the units according to your needs. With this stupendous calculator converting any unit is very easy. You just need to select the unit and enter the value. Key Features of this all-in-one Unit Calculator: • Scientific/Arithmetic Calculator: Best Simple Calculator supports the basic arithmetic operation such as addition, subtraction, multiplication, and division • Unit Converter: Simple, smart and elegant tool for easy conversion of length, area, weight, temperature, currency, time, volume, speed, distance and much more Powerful calculator for converting all the currencies and measures • Currency Converter: Real-time live currency converter and calculator for converting a value from one currency to another • Age Calculator: Just enter your accurate date of birth to calculate your exact age. Also, count the number of days between two dates. • EMI Calculator: By calculating your EMI and viewing your payment schedule, you can efficiently plan your loan repayment. • Crypto Currency Converter: Real-time Cryptocurrency Converter helps you convert all Cryptocurrencies like Bitcoin, DOGE, ETH to your desired Currencies like USD, EUR, and many more. • SIP Calculator: Plan your SIP investments by calculating the future value of SIP Payments. Using a projected annual return rate, estimate the maturity amount of any monthly SIP. • BMI Calculator: Calculate your body mass index and determine your body status based on your height and weight. • Percentage Calculator: Make your calculation more faster by counting Simple Percentage, as well as Result, Discount, Tip and Profit Margin Percentage in one click. • GST Calculator: By choosing amount of GST rate, quickly calculate GST on sales or purchase of goods or services. • Switch modes by Swipe: Simply switch the modes by swiping between Standard mode and Scientific mode • Trigonometric functions: Perform scientific operations like trigonometric, logarithmic, and exponential functions • History display: Want to see previous calculations? History display provides you functionality by which you can watch previous calculations • Floating calculator: Your go-to calculator for quick algebraic operations. This calculator stay in front of all the running applications so you can interact with any content behind it • Combination of operators: Allows you to combine many operators in one expression. Simply solve any complicated equations in no time • Easy edit: If you want to change or add any operators/numbers, you can easily edit any functions in between the formula

About

Authenticator App | Two Factor

Features
Read full description

Protect your online accounts with Authenticator App, a simple, secure, and reliable two-factor authentication app built to keep your logins safe. Generate verification codes for your favorite accounts and manage all your 2FA security codes in one clean, private place. Whether you want to secure Google, Microsoft, Facebook, Instagram, Amazon, crypto wallets, banking apps, work tools, or social accounts, Authenticator App helps you add an extra layer of protection to every login. With quick QR scanning, manual setup, secure password access, biometric unlock, Apple Watch support, widgets, import/export tools, and backup options, Authenticator App is designed for everyday security without unnecessary complexity. WHY CHOOSE AUTHENTICATOR APP - Built for simple and reliable account protection - Designed for both beginners and advanced users - Fast setup with QR code scanning - Secure access with password and biometric unlock - Clean, private, and easy-to-use experience - Works with thousands of services that support 2FA SECURE TWO-FACTOR AUTHENTICATION - Generate time-based one-time passwords for your accounts and keep them ready whenever you need to sign in. Authenticator App helps protect your digital life from unauthorized access by adding a second layer of verification beyond your password. FAST ACCOUNT SETUP - Add new accounts in seconds by scanning a QR code. You can also add accounts manually using a secret key, import supported authenticator setup URLs, or scan a QR code from an image in your Photos. PRIVACY & APP PROTECTION - Keep your authentication codes protected with password security and biometric unlock. Use Face ID or Touch ID on supported devices for fast, secure access to your codes. BACKUP, IMPORT & EXPORT - Easily import and export your authenticator accounts when moving between devices or creating a backup. Premium users can unlock backup and transfer tools for smoother account management. APPLE WATCH & WIDGET SUPPORT - Access your authentication codes faster with Apple Watch support and convenient widgets. Keep important codes within reach when you need them most. ORGANIZED & EASY TO USE - Search your accounts instantly, copy codes with one tap, edit saved accounts, choose recognizable icons, and recover recently deleted entries when needed. Authenticator App keeps your 2FA setup clean, organized, and easy to manage. PERSONALIZED EXPERIENCE - Choose your preferred language, switch between light and dark appearance, and manage your accounts with a smooth interface designed for daily use. WORKS WITH POPULAR SERVICES - Authenticator App works with thousands of services that support two-factor authentication, including: - Google, Microsoft, Facebook, Instagram, Apple, Amazon, GitHub, Discord, Dropbox, LinkedIn, Snapchat, TikTok, Reddit, Steam, PayPal, Coinbase, Binance, Shopify, WordPress, and many more. PREMIUM FEATURES Unlock more power with Authenticator App Premium: - Unlimited accounts and codes - Ad-free experience Backup and transfer features Cloud sync backup support Apple Watch access Widget support - Premium account management tools YOUR ACCOUNTS DESERVE BETTER PROTECTION - Passwords alone are not enough. Add a stronger layer of security to your online accounts with Authenticator App. Set up 2FA, protect your logins, and keep your verification codes close whenever you need them. Download Authenticator App today and secure every login with confidence. Subscription Details - Payment will be charged to your Apple ID account at confirmation of purchase. Subscriptions automatically renew unless canceled at least 24 hours before the end of the current billing period. You can manage or cancel your subscription anytime in your App Store account settings. Privacy Policy: https://sites.google.com/view/centillion-policy/home Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Unit Converter and Calc4 screens
Authenticator App | Two Factor4 screens

Verdict

The call

The clearest difference is in-app purchases: Unit Converter and Calc at none against Authenticator App | Two Factor's 4. Authenticator App | Two Factor's advantage is ads (none vs shown). On price, update cadence, device support and iOS requirement 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. Authenticator App | Two Factor sells 4 in-app purchases, starting at $1.99 per 7 days. Unit Converter and Calc asks for nothing beyond the download.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

Scorecard2 real differences · 8 level
Unit Converter and Calc versus Authenticator App | Two Factor: the parameters behind the verdict, then further details
ParameterUnit Converter and CalcAuthenticator App | Two Factor
PriceFreeFree
Rating4.8 (4 ratings) — better—
Positive reviews80.0% of reviews—
Number of ratings4 — better—
Update frequencyEvery 2 monthsEvery 2 months
AdsYesNo — better
In-app purchasesNo — betterYes
MonetizationAd-supported—
DevicesiPhone, iPodiPhone, Apple Watch
Requires iOS15.6 — better16.0
Further details — not scored
Size31 MB27 MB
Age rating4+4+
DeveloperQtonz infosoft private limitedBhadresh Jadav

In-app purchases

None

Unit Converter and Calc

No in-app purchases

4 purchases

Authenticator App | Two Factor

Subscriptions3
  • Weekly Premium$1.997 Days
  • Monthly Premium$4.991 Month
  • Yearly Premium$19.991 Year
One-time1
  • Lifetime Premium$24.99

Questions

Is Unit Converter and Calc free?
Unit Converter and Calc is free to download, with no in-app purchases.
Is Authenticator App | Two Factor free?
Authenticator App | Two Factor is free to download, with in-app purchases available.
Do Unit Converter and Calc or Authenticator App | Two Factor have ads?
Unit Converter and Calc shows ads; Authenticator App | Two Factor does not.
Which is updated more often, Unit Converter and Calc or Authenticator App | Two Factor?
Unit Converter and Calc ships an update every 2 months, and Authenticator App | Two Factor every 2 months. Most recently, Unit Converter and Calc was updated on October 24, 2026 and Authenticator App | Two Factor on October 25, 2026.

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