Comparison

Authenticator App vs ISSY Sentry

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

Head to head
About

Authenticator App

Secure your online accounts with this app that manages all your two-factor authentication (2FA) codes in one place. It offers seamless syncing across devices, organized folders, and encrypted backups for peace of mind. Personalize your experience with custom icons and themes for easy account recognition.

Highlights
  • Manage all 2FA codes in one app
  • Seamless sync across Apple devices
  • Encrypted backups for code protection
  • Organize accounts with folders
  • Custom icons and themes
  • iOS & macOS widgets for quick access
Features
Read full description

Take control of your digital security with Sentinel Authenticator, the trusted way to manage and protect your two-factor authentication (2FA) codes. Fully compatible with Google Authenticator, Authy, and all other authenticators – making it effortless to switch or use alongside your existing apps. /// Why Sentinel Authenticator? • All Your Codes, One App – Store and manage every 2FA code in a single, secure place. • Seamless Sync – Keep your codes up to date across all Apple devices with iCloud Keychain (encrypted by Apple) or Sentinel Cloud with end-to-end encryption. • Organized & Accessible – Create folders for work and personal accounts to find what you need faster. • Never Lose Access – Encrypted backups protect your codes so you always stay in control. /// Personalization & Ease of Use • 900+ Custom Icons for instant account recognition • 8+ Themes & Layouts including Modern, Classic, Focus, and more • iOS & macOS Widgets for quick access to your 2FA codes /// Always Here for You Need help? Contact us at hello@getsentinel.io – we usually respond within an hour. Protect your accounts today. Download Sentinel Authenticator now and secure apps like Instagram, Google, Binance, Kraken, Robinhood, Discord, and Twitch. For further details, review our policies: Terms of Service: https://getsentinel.io/terms-of-service Privacy Policy: https://getsentinel.io/privacy-policy

About

ISSY Sentry

Features
Read full description

ISSY Sentry is the professional guard companion app for residential communities, gated neighborhoods, and commercial buildings. Designed specifically for security personnel, it streamlines visitor management and access control with powerful, Issy to use features. KEY FEATURES ▸ QR Code Scanning Instantly validate visitor QR codes generated by residents. Verify single use, temporary, and permanent access passes with a single scan. ▸ Real-Time Notifications Automatically notify residents when their visitors arrive. Keep everyone informed with instant push notifications. ▸ Visitor Management Register visitor entries and exits with timestamps. Track vehicle plates, companion counts, and capture photos when required. ▸ Live Dashboard View real time statistics including current visitors inside, daily entries/exits, and active alerts at a glance. ▸ Incident Reporting Document security incidents with photos, location data, and detailed descriptions. Track incident status and resolution. ▸ Emergency Alerts One tap panic button for immediate emergency notifications to administrators and supervisors. ▸ Access History Complete searchable log of all access events. Filter by date, movement type, and visitor information. ▸ Offline Capability Continue essential operations even without internet connection. Data syncs automatically when connectivity is restored. SECURITY & PRIVACY - End to end encrypted communications - Secure authentication with biometric support - Role based access controls - Compliant with data protection regulations REQUIREMENTS ISSY Sentry is designed for authorized security personnel only. A valid guard account provided by your community administrator is required to access the app. For residents, please download the ISSY app to generate visitor QR codes and manage your access. ISSY Sentry is part of the ISSY Community Management Platform, the complete solution for modern residential community management. Questions or feedback? Contact us at info@joinissy.com

Screenshots

Authenticator App4 screens
ISSY Sentry3 screens

Verdict

The call

The clearest difference is in-app purchases: ISSY Sentry at none against Authenticator App's 4. Authenticator App's advantage is update cadence (every 10 days vs every 2 months) and device support (4 vs 2). On price, ads 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 sells 3 in-app purchases, starting at $1.99 per month. ISSY Sentry asks for nothing beyond the download.

UpkeepUpdate frequency

Authenticator App ships an update every 10 days, ISSY Sentry every 2 months. The most recent releases landed on October 11, 2026 and September 30, 2026 respectively.

Scorecard3 real differences · 7 level
Authenticator App versus ISSY Sentry: the parameters behind the verdict, then further details
ParameterAuthenticator AppISSY Sentry
PriceFreeFree
Rating4.8 (32 ratings) — better—
Positive reviews72.4% of reviews—
Number of ratings32 — better—
Update frequencyEvery 10 days — betterEvery 2 months
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, Mac, Apple Watch — betteriPhone, iPod
Requires iOS16.015.1 — better
Further details — not scored
Size51 MB26 MB
Age rating4+4+
DeveloperTommaso CarpiJOSUE LUIS BUESO RIVERA

Bugs and requests

Authenticator App

Reported bugs

12 issues
  • Widgets not working on Mac Desktop and iPhone
  • App stuck on loading tokens
  • Syncing issues between devices
  • Codes not working for specific services (Discord, Amazon)
  • Unexpected charges/multiple purchases
Show 7 more
  • Loading screen issues on iPhone 12 Pro Max (resolved)
  • Paid features (dark mode) removed/changed
  • Cannot delete items
  • Cannot rename accounts
  • Cannot edit accounts
  • Cannot reorder accounts
  • Inconsistent widget behavior

Requested features

17 requests
  • Ability to reorder/hide folders
  • Sort accounts by email address or service
  • Show duplicates
  • Show date service added
  • Backup options (more explicit)
Show 12 more
  • Start on login option
  • Ability to delete items
  • Ability to rename accounts
  • Ability to edit accounts
  • Ability to reorder accounts
  • Watch companion app
  • More customization options
  • Add password keeper in details page
  • Improve widget functionality
  • Add Chinese language support
  • Increase account limit beyond two for free tier
  • Easier export of all keys

ISSY Sentry

Not enough reviews yet to summarise bugs or requests.

In-app purchases

3 purchases

Authenticator App

Subscriptions2
  • Monthly Subscription$1.991 Month
  • Annual Subscription7 Days trial$9.991 Year
One-time1
  • Lifetime Access2 variants$39.99
None

ISSY Sentry

No in-app purchases

Questions

Is Authenticator App free?
Authenticator App is free to download, with in-app purchases available.
Is ISSY Sentry free?
ISSY Sentry is free to download, with no in-app purchases.
Do Authenticator App or ISSY Sentry have ads?
Neither Authenticator App nor ISSY Sentry shows ads.
Which is updated more often, Authenticator App or ISSY Sentry?
Authenticator App ships an update every 10 days, and ISSY Sentry every 2 months. Most recently, Authenticator App was updated on October 11, 2026 and ISSY Sentry on September 30, 2026.

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