Open Authenticator by Skyost vs Authenticator App | 2FA Auth
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Open Authenticator by Skyost
This app generates Time-Based One-Time Passwords (TOTPs) to enhance online account security through two-factor authentication. It offers cross-platform syncing, a self-hostable backend, and an intuitive interface for managing your security codes.
- Generates Time-Based One-Time Passwords (TOTPs)
- Enhances online account security with 2FA
- Cross-platform token syncing
- Self-hostable backend option
- Fast and easy-to-use interface
- Open-source and free for local use
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PROTECT YOUR ONLINE ACCOUNTS WITH OPEN AUTHENTICATOR Open Authenticator generates Time-Based One-Time Passwords (TOTPs), which serve as the second factor in the 2FA process. These temporary codes are valid for a short period of time and are used alongside your password to verify your identity when logging into your accounts. This significantly enhances the security of your online accounts and protects them from unauthorized access. KEY FEATURES - Open-Source & Free to use : Our commitment to transparency and security means our app is open-source and will always remain free for local use. If it doesn't cost anything for us, then it shouldn't cost anything for you ! - Cross-Platform Compatibility : Seamlessly sync your TOTP tokens across all your devices, whether you're using iOS, macOS or another platform. - Self-Hostable Backend : You can host the backend on your own server. Your data, your choice. - A lovely crafted app : Open Authenticator has been designed to be fast and easy to use. Quickly find all your TOTPs and copy them directly from the main page ! IN SUMMARY, WHY OPEN AUTHENTICATOR ? Here are the reasons why you should download Open Authenticator : - Enhanced Security : Protect your online accounts from unauthorized access with strong 2FA. - User-Friendly Interface : Intuitive design makes it easy to add, manage, and organize your TOTP tokens. - Continuous Improvement : We're dedicated to delivering the best user experience and regularly update our app with new features and improvements. LINKS - Check it out on Github : https://github.com/openauthenticator-app/openauthenticator - Visit our website : https://openauthenticator.app LEGAL - Privacy policy : https://openauthenticator.app/privacy-policy - Terms of service : https://openauthenticator.app/terms-of-service
Authenticator App | 2FA Auth
Enhance your online security with a robust two-factor authentication manager. This app generates time-based one-time passwords (TOTP) for secure logins, even offline. It also offers password management and easy account import/export for thousands of services.
- Two-Factor Authentication (2FA)
- Time-Based One-Time Passwords (TOTP)
- Offline Capability
- Password Management
- Import/Export Accounts
- Wide Compatibility
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Feeling overwhelmed by keeping your online accounts secure? Authentication is a perfect two-factor authentication (2FA) solution for all your accounts. Very easy to use and 100% secure. Two-factor authentication (2FA), adds an extra layer of security to your online accounts. Authenticator employs a cutting-edge security method called Time-Based One-Time Password (TOTP) to generate unique codes. These codes change every 30 seconds, ensuring that even if someone intercepts one code, they cannot use it to gain access. This two-step autentication significantly reduces the risk of unauthorized access, even if your password is compromised. Key Features: - Strong Two-Factor Authentication (2FA): Safeguard your accounts with the industry-standard TOTP method. - Offline Capability: Continue to protect your accounts even without an internet connection. - Password Management: Securely store and autofill your passwords for effortless logins. - Import/Export Accounts: Easily manage your 2FA accounts through QR codes or private keys. - Wide Compatibility: Works with thousands of popular online services. Why Choose Authenticator? - Enhanced Security: secures all your online accounts on your device by 2-step verification. It generates a unique time-based one-time password (TOTP) for each login, ensuring that only authorized users can access your account. - Convenience: Save time and frustration by eliminating the need to remember complex passwords. Authenticator's password management feature securely stores your credentials for quick and easy logins. - Flexibility: Whether you're at home, work, or on the go, Authenticator's offline functionality ensures uninterrupted protection. - Data Protection: Your account information is securely stored and encrypted, safeguarding your privacy. - Time-Saving: Quickly add new accounts by scanning QR codes or entering private keys. You can authenticate your identity quickly, allowing you to access your accounts without unnecessary delays. - Universal Compatibility: Enjoy peace of mind knowing Authenticator works seamlessly with your favorite online services. Whether you use Google, Instagram, Facebook, Twitter, LinkedIn, Dropbox, Snapchat, Github, Tesla, Coinbase, or even manage your Bitcoin wallet, Authenticator’s 2FA tokens are universally accepted. - Free: Authenticator is completely free to download and use. The app is designed to be accessible to everyone, ensuring that you don’t have to compromise on security due to cost. Why you should use Authenticator's TOTP? Authenticator utilizes Time-Based One-Time Password (TOTP) technology, offering several advantages over traditional SMS-based 2FA: the secret key input for TOTP is only shared once and the method does not rely on the telephony network, which helps reduce the attack surface. TOTP has stronger proof of possession than SMS, which can be legitimately accessed via multiple devices and may be susceptible to SIM swap attacks. Don't compromise your online safety. Join the millions of users who trust Authenticator to safeguard their online accounts. Download now and experience the peace of mind that comes with knowing your information is protected. [Disclaimers] All copyrights are duly respected and reserved to their respective owners. If you observe any content in our app that violates copyrights, kindly notify us, and we will promptly rectify the issue. Term of Use: https://www.maxlabs.hk/authenticator/terms-of-use Privacy Policy: https://www.maxlabs.hk/authenticator/privacy-policy Apple Terms of use (EULA) : https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Connect with Us: Reach out to us at ios-support@maxlabs.hk
Screenshots
Verdict
The clearest difference is rating: Open Authenticator by Skyost at 4.4 against Authenticator App | 2FA Auth's 3.9. Open Authenticator by Skyost also leads on ads (none vs shown). Authenticator App | 2FA Auth's advantage is review sentiment (35% vs 0%) and ratings volume (56 vs 9). On price, update cadence, in-app purchases and monetization model 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
Both are free to download. Open Authenticator by Skyost sells 2 in-app purchases, starting at $0.99 per month and Authenticator App | 2FA Auth sells 7 in-app purchases, starting at $4.99 per 7 days. Whichever you choose, the download price is not the number that matters.
Open Authenticator by Skyost holds the better App Store score, 4.4 against 3.9. That said, the two scores are not equally well evidenced: Authenticator App | 2FA Auth has 56 ratings behind it against 9, so its average is the more settled of the two. Written reviews complicate that: 0% of Open Authenticator by Skyost's written reviews are positive against 35% of Authenticator App | 2FA Auth's, so the app with the better star average is not the one people write more warmly about.
Open Authenticator by Skyost ships an update fortnightly, Authenticator App | 2FA Auth every 3 weeks. The most recent releases landed on September 10, 2026 and September 22, 2026 respectively.
| Parameter | Open Authenticator by Skyost | Authenticator App | 2FA Auth |
|---|---|---|
| Price | Free | Free |
| Rating | 4.4 (9 ratings) — better | 3.9 (56 ratings) |
| Positive reviews | 0.0% of reviews | 35.0% of reviews — better |
| Number of ratings | 9 | 56 — better |
| Update frequency | Fortnightly — better | Every 3 weeks |
| Ads | No — better | Yes |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Devices | iPhone, iPad, iPod, Mac — better | iPhone, iPad, Apple Watch |
| Requires iOS | 15.0 — better | 16.0 |
| Further details — not scored | ||
| Size | 56 MB | 109 MB |
| Age rating | 4+ | 4+ |
| Developer | Hugo Delaunay | MAXLABS COMPANY LIMITED |
Customer experience
Open Authenticator by Skyost
Authenticator App | 2FA Auth
In-app purchases
Open Authenticator by Skyost
- Contributor Plan: Monthly$0.991 Month
- Contributor Plan: Annual$9.991 Year
Authenticator App | 2FA Auth
- Weekly Subscription3 Days trial$4.997 Days
- Premium Weekly3 Days trial$9.997 Days
- Monthly Subscription$9.991 Month
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- Yearly Subscription$19.991 Year
- Premium Yearly$39.991 Year
- Yearly Premium Sale Off1 Year trial$39.991 Year
- Lifetime Payment$39.99
Questions
Is Open Authenticator by Skyost free?
Is Authenticator App | 2FA Auth free?
Which has better reviews, Open Authenticator by Skyost or Authenticator App | 2FA Auth?
Do Open Authenticator by Skyost or Authenticator App | 2FA Auth have ads?
Which is updated more often, Open Authenticator by Skyost or Authenticator App | 2FA Auth?
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