Comparison

Calculator XplusY vs Authenticator App!

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

Head to head
About

Calculator XplusY

Read full description

Calculate faster. Think less. XplusY keeps every formula just one tap away. Create and save your own formulas, design custom buttons, and explore a growing library of predefined calculations across multiple disciplines XplusY uses a simple and powerful logic: “X” is the number you enter before pressing a formula button, and “Y” is the number you enter afterwards. This makes every custom formula easy to understand, predictable, and incredibly fast to use. Key features: - Custom formulas with dynamic input buttons - Reorder buttons freely to create your own layout - Two calculation modes – instant evaluation or step-by-step results - Display formulas during calculations for full transparency - Predefined calculations in finance, engineering, physics, geodesy, conversions, electromobility, and more - Real-time currency conversion with up-to-date exchange rates - Clean, intuitive interface with full Dark and Light mode support - Works offline for core calculations - History log for quick access to previous results - Swipe gesture to delete the last digit or clear input instantly - Customizable design – change button colors, background, and layout to match your style Whether you’re calculating percentages, converting slope values, or working with geodetic coordinates, XplusY lets you work faster and focus on results, not on switching between functions. Download now and redefine how you calculate.

About

Authenticator App!

This app enhances online security by generating one-time passwords for two-factor and multi-factor authentication. It offers quick QR code scanning for easy account setup and supports offline code generation, ensuring access even without an internet connection. Protect your personal, work, and financial accounts with robust security features.

Highlights
  • Generate secure OTP & TOTP codes
  • Quick QR code scanning
  • Support 2FA & MFA security
  • Face ID & Passcode protection
  • Offline code generation
  • Manage multiple accounts
  • Backup & Restore functionality
Features
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Secure Your Accounts with Authenticator App! Authenticator App helps protect your online accounts with secure two-factor authentication (2FA) and multi-factor authentication (MFA). Generate one-time passwords (OTP) instantly and add an extra layer of security to your personal, work, and financial accounts. Features • Generate Secure OTP & TOTP Codes Create time-based one-time passwords (OTP/TOTP) for your online accounts with reliable and secure code generation. • Quick QR Code Scanning Add new accounts in seconds by scanning QR codes from supported websites and services. • Support 2FA & MFA Security Protect your accounts with Two-Factor Authentication (2FA) and Multi-Factor Authentication (MFA). • Face ID & Passcode Protection Keep your authentication codes secure with Face ID and device-level security protection. • Offline Code Generation Access verification codes anytime, even without an internet connection. • Manage Multiple Accounts Store and organize authentication codes for work, personal, and business accounts in one secure app. • Real-Time Verification Codes View active codes with automatic refresh and expiration countdown timers. • Backup & Restore Easily transfer and restore your authenticator accounts when changing devices. • Simple & Easy to Use Clean interface designed for quick setup and effortless account management. Why Use Authenticator App? Passwords alone are no longer enough. Authenticator App helps protect your accounts against unauthorized access by generating secure verification codes directly on your device. Whether you're securing email, cloud storage, social media, cryptocurrency exchanges, business tools, or work accounts, Authenticator App provides a reliable authentication solution. Perfect For • Personal accounts • Business accounts • Work logins • Cloud services • Cryptocurrency platforms • Social media accounts • Email security Subscription Details Payment will be charged to your Apple ID account upon confirmation of purchase. Subscriptions automatically renew unless auto-renew is turned off at least 24 hours before the end of the current billing period. Your account will be charged for renewal within 24 hours before the end of the current period. You can manage and cancel subscriptions anytime through your App Store account settings. Any unused portion of a free trial period, if offered, will be forfeited when purchasing a subscription.

Screenshots

Calculator XplusY4 screens
Authenticator App!4 screens

Verdict

The call

The clearest difference is price: Authenticator App! at Free against Calculator XplusY's $1.99. Authenticator App! also leads on update cadence (every 4 days vs fortnightly). Calculator XplusY's advantage is in-app purchases (none vs 9) and ads (none vs shown).

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

Authenticator App! is free to download; Calculator XplusY costs $1.99 up front. Authenticator App! sells 9 in-app purchases, starting at $4.99 per 7 days. Calculator XplusY asks for nothing beyond the download.

UpkeepUpdate frequency

Calculator XplusY ships an update fortnightly, Authenticator App! every 4 days. The most recent releases landed on October 3, 2026 and October 5, 2026 respectively.

Scorecard6 real differences · 4 level
Calculator XplusY versus Authenticator App!: the parameters behind the verdict, then further details
ParameterCalculator XplusYAuthenticator App!
Price$1.99Free — better
Rating—4.4 (8 ratings) — better
Positive reviews—100.0% of reviews
Number of ratings—8 — better
Update frequencyFortnightlyEvery 4 days — better
AdsNo — betterYes
In-app purchasesNo — betterYes
Monetization—Free with in-app purchases
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS13.0 — better16.0
Further details — not scored
Size18 MB87 MB
Age rating4+17+
Developercrea:do s.r.o.VarMeta

In-app purchases

None

Calculator XplusY

No in-app purchases

9 purchases

Authenticator App!

Subscriptions8
  • Weekly Pro Access$4.997 Days
  • Weekly Pro Access3 Days trial$6.997 Days
  • Week Premium3 Days trial$9.997 Days
Show 5 more
  • Week Pro$9.997 Days
  • Monthly Pro Access$19.991 Month
  • Yearly Premium3 Days trial$34.991 Year
  • Yearly Pro$39.991 Year
  • Yearly Premium Access3 Days trial$39.991 Year
One-time1
  • Authenticator – Lifetime Access$59.99

Questions

Is Calculator XplusY free?
Calculator XplusY costs $1.99, with no in-app purchases.
Is Authenticator App! free?
Authenticator App! is free to download, with in-app purchases available.
Do Calculator XplusY or Authenticator App! have ads?
Authenticator App! shows ads; Calculator XplusY does not.
Which is updated more often, Calculator XplusY or Authenticator App!?
Calculator XplusY ships an update fortnightly, and Authenticator App! every 4 days. Most recently, Calculator XplusY was updated on October 3, 2026 and Authenticator App! on October 5, 2026.

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