Comparison

Authenticator App vs ZETIT Key

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

Head to head
About

Authenticator App

Features
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Keep your accounts secure with the Authenticator App. The Authenticator App protects your online accounts by generating secure two-factor authentication (2FA) codes — ensuring only you can access your sensitive data. Key Features: • Secure & Private Encryption Your data is fully encrypted — including backups in iCloud. Only you have access to your 2FA codes, ensuring maximum privacy and security. • Encrypted Backup Create a secure, encrypted backup of your codes to easily restore access if you lose or upgrade your device. • Real-Time Sync Across Apple Devices Automatically synchronize your 2FA accounts across iPhone, iPad, Mac, and Apple Watch for a smooth and consistent experience. • Instant Access with Home Screen Widget Use the Authenticator Widget to quickly view your 2FA codes right from your Home Screen — no need to open the app. • Offline Functionality Generate 2FA codes even when you’re offline or in airplane mode. Your security stays intact no matter the connection. • Easy Multi Import Import 2FA codes effortlessly from other authenticators, password managers, or files — including Google Authenticator and more. • Designed for Apple Users Enjoy a native Apple experience with dark mode, smooth gestures, and seamless iCloud syncing. Your security. Your control. Anywhere, anytime. Get started with Authenticator App and take your online protection to the next level. Subscription Pricing and Terms: - Subscription periods are weekly and yearly. Every week or year your subscription renews. - Payment will be charged to iTunes Account at confirmation of purchase. - The subscription is automatically renewed unless auto-renew is turned off at least 24-hours before the end of the current period. - Account will be charged for renewal within 24-hours prior to the end of the current period, and identify the cost of the renewal. - Subscriptions may be managed by the user and auto-renewal may be turned off by going to the user's Account Settings after purchase. - Any unused portion of a free trial period, if offered, will be forfeited when the user purchases a subscription to that publication, where applicable. The free version allows you to monitor the current status of one child without the possibility of obtaining detailed statistics and status notifications. This app doesn’t violate the Privacy Policy and Terms of Service of any third parties and use only publicly available data. The app is not affiliated with any 3rd parties. Terms - https://docs.google.com/document/d/18q8wcxwxsGdYL7J9TNmNZvyjnwaq0TgAOr6hn-x54x8/edit?usp=sharing Policy - https://docs.google.com/document/d/1HeWlH3RvUIfHvA-NJzqebuy8FaZe_ixWZE84TeU8uxI/edit?usp=sharing

About

ZETIT Key

Features
Read full description

ZETIT Key is an application for secure two—factor authentication. Confirm your login to corporate services with a single tap or with one-time TOTP codes. Opportunities: — Push notifications for instant login confirmation - Generation of one—time TOTP codes — Application protection with PIN and biometrics (Face ID/ Touch ID) — Support for multiple accounts — Support for third-party 2FA sites (Google, GitHub, Microsoft, Synology, etc.)

Screenshots

Authenticator App4 screens
ZETIT Key4 screens

Verdict

The call

The clearest difference is in-app purchases: ZETIT Key at none against Authenticator App's 1. On price, update cadence, 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. Authenticator App sells 1 in-app purchase, starting at $3.99 per 7 days. ZETIT Key asks for nothing beyond the download.

UpkeepUpdate frequency

Authenticator App ships an update every 6 weeks, ZETIT Key every 2 months. The most recent releases landed on September 27, 2026 and September 15, 2026 respectively.

Scorecard1 real difference · 5 level
Authenticator App versus ZETIT Key: the parameters behind the verdict, then further details
ParameterAuthenticator AppZETIT Key
PriceFreeFree
Update frequencyEvery 6 weeks — betterEvery 2 months
AdsNoNo
In-app purchasesYesNo — better
DevicesiPhone, iPodiPhone, iPod
Requires iOS15.0 — better15.1
Further details — not scored
Size17 MB20 MB
Age rating4+4+
DeveloperDenis KondratovichZETIT

In-app purchases

1 purchases

Authenticator App

Subscriptions1
  • Premium Access3 Days trial$3.997 Days
None

ZETIT Key

No in-app purchases

Questions

Is Authenticator App free?
Authenticator App is free to download, with in-app purchases available.
Is ZETIT Key free?
ZETIT Key is free to download, with no in-app purchases.
Do Authenticator App or ZETIT Key have ads?
Neither Authenticator App nor ZETIT Key shows ads.
Which is updated more often, Authenticator App or ZETIT Key?
Authenticator App ships an update every 6 weeks, and ZETIT Key every 2 months. Most recently, Authenticator App was updated on September 27, 2026 and ZETIT Key on September 15, 2026.

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