authenticator app · Ente

Ente Auth

Free, open-source authenticator with end-to-end encrypted sync, a published outside audit and apps for five systems plus the web.

91/100

#1 of 12 authenticator apps
Facts checked 8 Oct 2026

In short

The app is free and open source under AGPL-3.0, and works without an account^1,3,7.
Native apps cover Windows, macOS, Linux, iOS and Android, plus a web view at auth.ente.com^1,10.
Codes you back up are end-to-end encrypted with a key only you hold⁹.
Cure53 audited the Ente apps, Auth included; Ente's write-up is dated 3 November 2025 and links the public report⁶.
App lock offers a device lock, a 4-digit PIN or a password².

Ente Auth suits people who want free encrypted sync across phone, desktop and web, with open code and a recent public audit^1,6,9. It imports from nine named apps and exports encrypted files^4,5. The catch: Ente documents no public bug bounty, and its pages do not mention passkeys or push approval^1,11.

Best for: People who want encrypted sync, open source and a web view of their codes.

Where the points come from

Security and trust34 of 37

Backup and recovery35 of 35

Systems12 of 12

Features6 of 12

Price4 of 4

Security and trust 34 of 37 points

Rule	What is published	Points
End-to-end encrypted backup	YesThe privacy page says 2FA secrets are end-to-end encrypted with a key that only you have⁹.	12 / 12
Independent audit, 2023 or later	YesCure53 audited Photos, Auth and Locker; Ente's article is dated 3 November 2025 and links the full report (file named Oct-2025)⁶.	10 / 10
Open-source apps	YesThe repository that holds the Auth apps is under AGPL-3.0⁷.	6 / 6
Public bug bounty	Not publishedNot published; the vendor's security pages describe private vulnerability reports only^7,11.	0 / 3
App lock	YesDevice lock, a 4-digit PIN or a password lock, with auto lock².	6 / 6

Backup and recovery 35 of 35 points

Rule	What is published	Points
Cloud backup or sync	YesAuth provides end-to-end encrypted cloud backups¹.	10 / 10
Same codes on several devices	YesFAQ says you can use Auth on multiple devices and sync codes with end-to-end encryption³.	7 / 7
Export all accounts	YesEncrypted JSON export through the Ente command-line tool; automatic daily local backups are also described⁵.	7 / 7
Import from other apps	YesImports from 2FAS, Aegis, andOTP, Bitwarden, Google Authenticator, LastPass, OTP Auth, Proton and Raivo OTP⁴.	6 / 6
Works without an account	YesThe FAQ says Ente Auth does not require an account³.	5 / 5

Systems 12 of 12 points

Rule	What is published	Points
Apps	Windows, macOS, Linux, iOS, Android, WebDesktop app for Windows, Linux and macOS, mobile apps, and codes viewable at auth.ente.com^1,10.	12 / 12

Features 6 of 12 points

Rule	What is published	Points
Stores passkeys	Not publishedNot published on the vendor's app page and feature guide^1,2.	0 / 3
Sign-in approval prompts	Not publishedNot published on the vendor's app page and feature guide^1,2.	0 / 3
Counter-based (HOTP) codes	YesThe changelog (v4.4.23) refers to HOTP entries, so counter-based codes are supported⁸.	3 / 3
Folders, tags or search	YesTags to organise and filter, plus search by issuer or account name².	3 / 3

Price 4 of 4 points

Rule	What is published	Points
Cost with backup on two devices	$0Free; encrypted backup and multi-device sync need no paid plan^1,3,7.	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	Free^1,3,7	$0	Encrypted cloud backup and sync on all platforms

Strengths

Free with no stated limits, and usable without an account^1,3.
Cure53 audit covers Auth, with the report published and Ente's write-up dated November 2025⁶.
Apps for all five systems, plus a web view of your codes^1,10.
Tags, search, pinning, and a PIN, password or device lock².
Imports from nine named apps and exports encrypted files^4,5.

Limits

No public bug bounty is documented¹¹.
The web app only shows codes; adding or managing codes needs the mobile or desktop app¹⁰.
The only documented export to Google Authenticator is an unencrypted HTML file of QR codes³.
Passkeys and push approval are not mentioned^1,2.

What Ente says

Vendor claims. We show them, but they earn no points.

Ente says Auth is free and will remain free forever⁷.

Other authenticator apps

2
Proton AuthenticatorPeople who want encrypted sync and a Windows or Linux app
79/100
$0cost with backup on two devices
3
Zoho OneAuthPeople who want free encrypted backup and the same codes on a phone and a computer
74/100
$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

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

Sources

Ente Auth, Ente. Accessed 8 Oct 2026.
Ente Auth features, Ente. Accessed 8 Oct 2026.
Ente Auth FAQ, Ente. Accessed 8 Oct 2026.
Import codes, Ente. Accessed 8 Oct 2026.
Export codes, Ente. Accessed 8 Oct 2026.
Ente completes CERN sponsored audit, Ente. Accessed 8 Oct 2026.
ente-io/ente, GitHub. Accessed 8 Oct 2026.
Ente Auth changelog, Ente. Accessed 8 Oct 2026.
Ente Auth privacy disclosure, Ente. Accessed 8 Oct 2026.
Ente Auth README, GitHub. Accessed 8 Oct 2026.
Security and privacy FAQ, Ente. Accessed 8 Oct 2026.

Website: ente.com/auth · Markdown version · We are not affiliated with Ente.