Comparison

Authenticator App vs Check In & Out

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

Head to head
About

Authenticator App

This app provides secure two-factor authentication (2FA) codes for thousands of online accounts. It also offers a password manager with autofill, encrypted backups, and cross-device sync for enhanced digital security.

Highlights
  • Two-Factor Authentication (2FA) codes
  • Password Manager with Autofill
  • Encrypted Backups
  • Cross-Device Sync
  • Offline Access for codes
  • Built-In VPN Protection
Features
Read full description

Authenticator App by KeyGuard is the ultimate free authenticator app for managing two-factor authentication (2FA) and multi-factor authentication (MFA) on your iPhone and iPad. Protect your online accounts, including Facebook, Google, Instagram, Microsoft, Roblox, and thousands more, with secure 2FA codes. Whether you're securing emails, social media, or financial accounts, KeyGuard Authenticator App is your trusted solution for reliable and free two-factor authentication. Download today on your iPhone or iPad and take control of your online security! Why Choose KeyGuard? KeyGuard goes beyond basic two-step verification. It’s a comprehensive tool for managing your 2FA codes, passwords, and digital security. Whether you need an authenticator app, password manager with autofill, or a built-in VPN, KeyGuard App delivers unmatched convenience and peace of mind. Key Features: Two-Factor Authentication (2FA): Protect your accounts with time-based codes (OTP, TOTP). Works seamlessly with Google, Facebook, Microsoft, Instagram, and more. Password Manager with Autofill: Securely store, organize, and autofill your passwords. Generate strong, unique passwords effortlessly. Encrypted Backups: Keep your 2FA codes and passwords safe with end-to-end encrypted iCloud backups. Cross-Device Sync: Access your 2FA codes and passwords across iPhone, iPad, and other Apple devices in real time. Offline Access: Generate 2FA codes even without an internet connection, ensuring constant protection. Advanced Security Options: Lock your app with Touch ID, Face ID, or a secure PIN to ensure only you can access your data. Built-In VPN Protection: Secure your internet connection and browse safely with an integrated VPN. Getting Started is Easy: - Log in to the account you want to secure (e.g., Google, Facebook, Amazon). - Go to the account's security settings and enable Two-Factor Authentication (2FA). - Select the “Authentication App” option. - Scan the QR code using KeyGuard App. - Enter the generated code to confirm setup. - Enable encrypted backups for added peace of mind. Your Data, Fully Protected KeyGuard Authenticator App uses end-to-end encryption to secure your sensitive information, ensuring only you can access it—even when it’s stored in the cloud. With offline access, secure backups, and cross-device sync, staying safe has never been easier. Compatible with Thousands of Services Secure your favorite accounts, including Gmail, Discord, Reddit, Twitch, PlayStation, Binance, Coinbase, Shopify, Salesforce, PayPal, LinkedIn and many more. Download KeyGuard Authenticator App Now! Take control of your online security today. With features like password manager, VPN, and encrypted backups, KeyGuard App is the ultimate tool for protecting your accounts. Subscription Details Upgrade to premium for unlimited tokens, advanced password management, and enhanced VPN protection. Subscriptions renew automatically unless canceled at least 24 hours before the end of the current period. Manage subscriptions in your App Store settings. Support & Contact Need help? Reach out to us anytime at: https://appshub.com.tr/support-authenticator/ Terms of Service: https://appshub.com.tr/terms-of-use-authenticator/ Privacy Policy: https://appshub.com.tr/privacy-policy-authenticator/

About

Check In & Out

Features
Read full description

**Check In & Out** makes attendance tracking simple, fast, and organized. It is designed for churches, events, classes, clubs, pool access, volunteer programs, community centers, and other places that need quick check-in and check-out records. Add people with their **Member ID, name, and phone number**, then generate a secure QR card for each person. Staff can scan the QR code with the camera to check someone in or check someone out and automatically record the time. You can create QR cards for Apple Wallet, share cards with users, or generate printable card layouts for physical keychain cards and rectangular ID-style cards. The app also keeps attendance history so you can review check-in and check-out records later. **Key Features:** * Add people with Member ID, name, and phone number * Import people from TSV files * Generate secure QR check-in cards * Scan QR codes with the camera * Check people in and out quickly * Record attendance date and time * View check-in and check-out history * Create printable card and keychain card layouts * Send User Apple Wallet card by message * Great for church, events, classes, pool access, clubs, and volunteer programs Check In & Out helps you manage attendance with less paperwork and faster scanning.

Screenshots

Authenticator App4 screens
Check In & Out4 screens

Verdict

The call

The clearest difference is price: Authenticator App at Free against Check In & Out's $4.99. Authenticator App also leads on update cadence (monthly vs every 4 months). Check In & Out's advantage is in-app purchases (none vs 10). On ads, 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

Authenticator App is free to download; Check In & Out costs $4.99 up front. Authenticator App sells 10 in-app purchases, starting at $4.99 per 7 days. Check In & Out asks for nothing beyond the download.

UpkeepUpdate frequency

Authenticator App ships an update monthly, Check In & Out every 4 months. The most recent releases landed on November 8, 2026 and October 31, 2026 respectively.

Scorecard3 real differences · 7 level
Authenticator App versus Check In & Out: the parameters behind the verdict, then further details
ParameterAuthenticator AppCheck In & Out
PriceFree — better$4.99
Rating4.5 (1.8K ratings) — better—
Positive reviews25.1% of reviews—
Number of ratings1.8K — better—
Update frequencyMonthly — betterEvery 4 months
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPadiPhone, iPad
Requires iOS16.4 — better17.0
Further details — not scored
Size45 MB6 MB
Age rating4+4+
DeveloperAppshub Bilgi Teknolojileri Limited SirketiAlteru Inc.

Bugs and requests

Authenticator App

Reported bugs

2 issues
  • Can't read QR codes
  • App URLs don't work

Requested features

2 requests
  • Option to disable annoying prompts
  • Improve user-friendliness

Check In & Out

Not enough reviews yet to summarise bugs or requests.

In-app purchases

10 purchases

Authenticator App

Subscriptions10
  • Authenticator App3 Days trial$4.997 Days
  • Authenticator App Premium$6.997 Days
  • Authenticator App Premium3 Days trial$6.997 Days
Show 7 more
  • Two Factor Authentication App$9.991 Month
  • Authenticator App Premium3 Days trial$9.997 Days
  • Authenticator App Premium$9.997 Days
  • AuthOne Authenticator Premium$29.991 Year
  • Authenticator App Premium$39.991 Year
  • Authenticator App Premium3 Days trial$39.991 Year
  • Authenticator App Premium$49.991 Year
None

Check In & Out

No in-app purchases

Questions

Is Authenticator App free?
Authenticator App is free to download, with in-app purchases available.
Is Check In & Out free?
Check In & Out costs $4.99, with no in-app purchases.
Do Authenticator App or Check In & Out have ads?
Neither Authenticator App nor Check In & Out shows ads.
Which is updated more often, Authenticator App or Check In & Out?
Authenticator App ships an update monthly, and Check In & Out every 4 months. Most recently, Authenticator App was updated on November 8, 2026 and Check In & Out on October 31, 2026.

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