Comparison

Authenticator App vs Billy Acc

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 industry-standard two-factor authentication. Easily add accounts, generate time-based OTPs, and benefit from encrypted backups. Organize and manage your TFA with features like folders, brand logos, and search.

Highlights
  • Add accounts via QR code or manual entry
  • Time-based OTPs (offline access)
  • Encrypted backup and secure recovery
  • Sync secrets across devices
  • Organize accounts with folders
  • Brand logos for easy identification
  • Passwordless sign-in options
Features
Read full description

OneAuth is an industry standard authenticator app developed by Zoho. You can now enable TFA and secure all your online accounts like Twitter, Facebook, LinkedIn, and more.  Over 1 million users trust OneAuth to enable 2FA and secure their online accounts. Take charge of your online security with two factor authentication - ADD online accounts to OneAuth easily by either scanning a QR code or manually entering the details. - AUTHENTICATE your online accounts using Time-based OTPs. These OTPs can be accessed offline too. - Backing up your online accounts in OneAuth is easy. We offer ENCRYPTED BACKUP for all your online accounts and they can be recovered securely by means of a Passphrase. The Passphrase is unique and known only to you and aids in recovery in case of lost or broken device. - OneAuth syncs your OTP secrets across all your devices. Making it easy for you to access OTPs from anywhere. - OneAuth is AVAILABLE ON ALL PLATFORMS. Experience secure authentication on iOS, iPadOS, macOS, and watch OS devices. An authenticator app that provides enhanced user experience - CREATE FOLDERS to organize your TFA accounts to your convenience. You can create and reorder personal and work folders separately for easy access. You can also move accounts within and in between folders. - Identify your 2FA accounts easily by associating them with their BRAND LOGOS. - SEARCH and find your accounts quicker with Oneauth's inbuilt search. - Explore OneAuth to its fullest potential without creating an account. GUEST USERS can use the export and import option while switching to a new device. - Users can also MIGRATE their existing online accounts to OneAuth easily from Google Authenticator. Greater security for your Zoho accounts with multi-factor authentication Passwords are just not enough. You need additional layers to ensure your account is properly safeguarded. OneAuth does that for you! - With OneAuth, you can enable MFA for all your Zoho accounts. - Set up PASSWORDLESS SIGN-IN. Avoid the everyday hassle of typing out your passwords. - Prefer a sign-in mode of your choice. You can select from multiple options like push notification, QR code, and Time-based OTPs. Even in case you're offline, you can access your account with Time-based OTPs. - Toughen up your account security. Ensure ONLY you can access your account by enabling BIOMETRIC AUTHENTICATION(Face ID or Touch ID). - Monitor devices and sessions in OneAuth, track login locations and designate devices into primary and secondary. OneAuth quickly adopts to the latest Apple OS and always keeps up with emerging technologies. Here are some of the iOS features that OneAuth supports - Widgets: Gets you the OTPs quickly to help you log in to your accounts. - Watch Face widgets: Gets you the right OTPs directly from your Apple watch. - Passkeys: Enhances your login experience across all Zoho apps. - Focus Filters: Allows you to associate the appropriate Zoho account for each Focus mode. - Quick Notes: Lets you intuitively edit 2FA accounts with seamless deep linking. - Live Text: Enables you to easily add 2FA accounts by reading information from web pages and documents. - Time-sensitive push notifications: Gets your critical information from OneAuth that you need to know or act upon immediately. - Dark mode: Reduce strain and improve your user experience by turning on dark mode. These extensions elevate your overall OneAuth experience to another level on your Apple device. Think Privacy. Think Zoho.  At Zoho, data privacy and security is core to our business. We believe that every individual has a right to access the internet securely and thus our authenticator app OneAuth will be free forever. SUPPORT Our help channels are available 24*7 for customers. Email us at support@zohoaccounts.com Download today!

About

Billy Acc

Features
Read full description

Billy Acc: AI Invoice OCR & Expense Manager
Transform your finances with AI. Scan, track, and manage invoices quickly and securely. Billy Acc is designed for individuals, freelancers, and businesses to eliminate manual data entry. Advanced AI-Powered OCR * Seamless Capture: Take a photo or upload invoices. * Cloud Processing: Documents are securely processed on our servers while you continue using the app. Business-Grade Management * Submission History: Access past documents with powerful search filters. Privacy & Data Control * Secure Handling: Data is encrypted in transit and at rest. * Account Control: Delete your account anytime; all associated data is permanently removed from our servers.

Screenshots

Authenticator App4 screens
Billy Acc4 screens

Verdict

The call

The clearest difference is update cadence: Authenticator App at every 9 days against Billy Acc's every 5 months. Authenticator App also leads on device support (5 vs 3). On price, ads, in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Authenticator App ships an update every 9 days, Billy Acc every 5 months. The most recent releases landed on September 26, 2026 and September 24, 2026 respectively.

Scorecard2 real differences · 8 level
Authenticator App versus Billy Acc: the parameters behind the verdict, then further details
ParameterAuthenticator AppBilly Acc
PriceFreeFree
Rating4.7 (34K ratings) — better—
Positive reviews44.9% of reviews—
Number of ratings34K — better—
Update frequencyEvery 9 days — betterEvery 5 months
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPad, iPod, Mac, Apple Watch — betteriPhone, iPad, iPod
Requires iOS15.0 — better15.6
Further details — not scored
Size220 MB27 MB
Age rating4+17+
DeveloperZoho CorporationCorient Business Solutions Private Limited

Bugs and requests

Authenticator App

Reported bugs

4 issues
  • Push notifications not working
  • Endless authentication loops
  • Incompatibility with new devices
  • Locking users out of accounts

Requested features

4 requests
  • Support for multiple accounts
  • Ability to export data to other authenticator apps
  • Improved error handling and feedback
  • Simpler setup and onboarding process

Billy Acc

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

Authenticator App

No in-app purchases

None

Billy Acc

No in-app purchases

Questions

Is Authenticator App free?
Authenticator App is free to download, with no in-app purchases.
Is Billy Acc free?
Billy Acc is free to download, with no in-app purchases.
Do Authenticator App or Billy Acc have ads?
Neither Authenticator App nor Billy Acc shows ads.
Which is updated more often, Authenticator App or Billy Acc?
Authenticator App ships an update every 9 days, and Billy Acc every 5 months. Most recently, Authenticator App was updated on September 26, 2026 and Billy Acc on September 24, 2026.

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