authenticator app · Zoho Corporation

Zoho OneAuth

Free two-factor code app for Windows, macOS, iOS and Android with passphrase-encrypted cloud backup.

74/100

#3 of 12 authenticator apps
Facts checked 8 Oct 2026

In short

The app is free across platforms¹.
Apps exist for iOS, Android, Windows and macOS^1,4,8.
Codes back up to the Zoho cloud, encrypted with a passphrase that Zoho does not store².
Guest mode works without signing in, but guest codes are not backed up or synced⁶.
Google Authenticator accounts import by QR code; export gives QR codes, JSON or text^7,8.

OneAuth suits people who want free encrypted backup and syncing across a phone and a computer^1,2,4. It also offers folders, push sign-in approval and an app lock^1,4,5. The catch: backup needs a Zoho account, and its pages publish no outside audit, source code or counter-based code support^1,2,6,9.

Best for: People who want free encrypted backup and the same codes on a phone and a computer.

Where the points come from

Security and trust21 of 37

Backup and recovery35 of 35

Systems8 of 12

Features6 of 12

Price4 of 4

Security and trust 21 of 37 points

Rule	What is published	Points
End-to-end encrypted backup	Yes2FA secrets are encrypted with your passphrase before upload; Zoho stores only the encrypted data, not the passphrase².	12 / 12
Independent audit, 2023 or later	Not publishedNot published; Zoho's security page names no outside firm or report for this app⁹.	0 / 10
Open-source apps	Not publishedNot published on the OneAuth page or its help articles^1,2.	0 / 6
Public bug bounty	YesZoho's bug bounty is open to individuals and covers all Zoho products listed on zoho.com; OneAuth is not named¹⁰.	3 / 3
App lock	YesOneAuth page describes an app lock that unlocks with biometrics only¹.	6 / 6

Backup and recovery 35 of 35 points

Rule	What is published	Points
Cloud backup or sync	YesEncrypted backups are stored in the Zoho cloud and restored on a new device with the passphrase^2,3.	10 / 10
Same codes on several devices	YesZoho says OneAuth syncs OTP secrets across your devices^3,4.	7 / 7
Export all accounts	YesSelect accounts to export by QR code, or as a JSON or text file; JSON can use a password⁷.	7 / 7
Import from other apps	YesImports from Google Authenticator by QR code, and from OneAuth exports^7,8.	6 / 6
Works without an account	YesChoosing Continue as Guest adds accounts with no sign-in; they are not backed up⁶.	5 / 5

Systems 8 of 12 points

Rule	What is published	Points
Apps	Windows, macOS, iOS, AndroidMicrosoft Store, App Store and Google Play links; help says Android, iOS, Windows and macOS^1,4,8.	8 / 12

Features 6 of 12 points

Rule	What is published	Points
Stores passkeys	Not publishedNot published for other sites; the App Store listing mentions passkeys only for sign-in across Zoho apps⁴.	0 / 3
Sign-in approval prompts	YesPush notification is a listed way to approve sign-in to Zoho accounts^1,4.	3 / 3
Counter-based (HOTP) codes	Not publishedNot published; help pages describe only time-based codes⁶.	0 / 3
Folders, tags or search	YesHelp article says you can add OTP accounts to folders and reorder them⁵.	3 / 3

Price 4 of 4 points

Rule	What is published	Points
Cost with backup on two devices	$0Free app with encrypted backup and sync across devices at no charge^1,2,4.	4 / 4

The rule behind each line: how we score authenticator apps.

Plans and prices

As the vendor lists them, before tax. Prices are in US dollars unless the plan shows euros; the points use US dollars, with euros converted at the ECB rate.

Plan	Price as listed	Per month	Notes
Free1 person	Free¹	$0	The whole app is free across platforms

Strengths

Free, with apps for iOS, Android, Windows and macOS^1,4,8.
Backups are encrypted with a passphrase that Zoho says it does not store².
Guest mode lets you use the app without signing in⁶.
Supports folders and a biometric app lock^1,5.

Limits

Backup and sync need a Zoho account; guest mode codes stay on the device^2,6.
Passkeys are mentioned only for sign-in across Zoho apps; storing them for other sites is not documented⁴.
No Linux or web app is listed^1,4.
Counter-based (HOTP) codes are not mentioned in the help pages⁶.

Other authenticator apps

1
Ente AuthPeople who want encrypted sync, open source and a web view of their codes
91/100
$0cost with backup on two devices
2
Proton AuthenticatorPeople who want encrypted sync and a Windows or Linux app
79/100
$0cost with backup on two devices
4
2FAS AuthiPhone and Android users who want a free app without an account
73/100
$0cost with backup on two devices
5
StratumAndroid users who want an offline, open-source app they fully control
60/100
Not publishedcost with backup on two devices

Zoho OneAuth vs Ente Auth · Zoho OneAuth vs Proton Authenticator · All 12 authenticator apps

Sources

Zoho OneAuth, Zoho. Accessed 8 Oct 2026.
Manage passphrase, Zoho. Accessed 8 Oct 2026.
Zoho OneAuth: authenticator app, Zoho. Accessed 8 Oct 2026.
Zoho OneAuth on the App Store, Apple App Store. Accessed 8 Oct 2026.
Organize 2FA accounts, Zoho. Accessed 8 Oct 2026.
Add 2FA accounts to OneAuth, Zoho. Accessed 8 Oct 2026.
Export and Import 2FA Accounts, Zoho. Accessed 8 Oct 2026.
Import 2FA accounts from Google Authenticator, Zoho. Accessed 8 Oct 2026.
Zoho security, Zoho. Accessed 8 Oct 2026.
Zoho Bug Bounty Program, Zoho. Accessed 8 Oct 2026.

Website: www.zoho.com/accounts/oneauth · Markdown version · We are not affiliated with Zoho Corporation.