Comparison

AXESYS Authenticator vs Open Authenticator by Skyost

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

Head to head

Open Authenticator by Skyost

An open-source TOTP manager

Free

🔧 Utilities

★ 4.49 ratingsView app →

About

AXESYS Authenticator

Features

Read full description

Axesys Authenticator génère des One-Time Passwords (OTP) pour vos comptes disposant d'une authentification à deux facteurs (2FA). Les codes générés sont uniques et assurent une sécurité supplémentaire pour vos comptes. Axesys Authenticator est compatible avec la majorité des fournisseurs et comptes.

About

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.

Highlights

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

Read full description

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

Screenshots

AXESYS Authenticator4 screens

Open Authenticator by Skyost3 screens

Verdict

The call

The clearest difference is in-app purchases: AXESYS Authenticator at none against Open Authenticator by Skyost's 2. Open Authenticator by Skyost's advantage is update cadence (fortnightly vs every 23 months) and device support (4 vs 1). On price, ads 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. Open Authenticator by Skyost sells 2 in-app purchases, starting at $0.99 per month. AXESYS Authenticator asks for nothing beyond the download.

UpkeepUpdate frequency

AXESYS Authenticator ships an update every 23 months, Open Authenticator by Skyost fortnightly. The most recent releases landed on October 9, 2026 and October 14, 2026 respectively.

Scorecard3 real differences · 7 level

AXESYS Authenticator versus Open Authenticator by Skyost: the parameters behind the verdict, then further details
Parameter	AXESYS Authenticator	Open Authenticator by Skyost
Price	Free	Free
Rating	—	4.4 (9 ratings) — better
Positive reviews	—	0.0% of reviews
Number of ratings	—	9 — better
Update frequency	Every 23 months	Fortnightly — better
Ads	No	No
In-app purchases	No — better	Yes
Monetization	—	Free with in-app purchases
Devices	iPhone	iPhone, iPad, iPod, Mac — better
Requires iOS	16.4	15.0 — better
Further details — not scored
Size	35 MB	56 MB
Age rating	4+	4+
Developer	Axesys	Hugo Delaunay

In-app purchases

None

AXESYS Authenticator

No in-app purchases

2 purchases

Open Authenticator by Skyost

Subscriptions2

Contributor Plan: Monthly$0.991 Month
Contributor Plan: Annual$9.991 Year

Questions

Is AXESYS Authenticator free?

AXESYS Authenticator is free to download, with no in-app purchases.

Is Open Authenticator by Skyost free?

Open Authenticator by Skyost is free to download, with in-app purchases available.

Do AXESYS Authenticator or Open Authenticator by Skyost have ads?

Neither AXESYS Authenticator nor Open Authenticator by Skyost shows ads.

Which is updated more often, AXESYS Authenticator or Open Authenticator by Skyost?

AXESYS Authenticator ships an update every 23 months, and Open Authenticator by Skyost fortnightly. Most recently, AXESYS Authenticator was updated on October 9, 2026 and Open Authenticator by Skyost on October 14, 2026.