Comparison

Open Authenticator by Skyost vs Acta

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

Head to head
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

About

Acta

Read full description

Acta is the mobile companion to your organisation’s Acta server environment, designed for secure evidential interview recording. Built for professional investigative and structured interview settings, Acta enables authorised users to record, review and securely connect to their designated server environment — ensuring continuity, integrity and controlled access wherever work takes place. Key Features - Secure audio and video recording - Playback and review of recorded material - Encrypted connection to your organisation’s designated server - Account-based access using authorised credentials - Mobile-optimised workflow designed for structured environments Acta is designed to operate within a managed server infrastructure and does not function as a standalone consumer recording app. Requirements - Access to an authorised Acta server - An active organisational account Important This application is intended for professional use within authorised organisational environments. Access requires prior configuration and server allocation.

Screenshots

Open Authenticator by Skyost3 screens
Acta4 screens

Verdict

The call

The clearest difference is in-app purchases: Acta at none against Open Authenticator by Skyost's 2. Open Authenticator by Skyost's advantage is device support (4 vs 2) and iOS requirement (15.0 vs 26.0). On price, update cadence and ads 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. Acta asks for nothing beyond the download.

UpkeepUpdate frequency

Open Authenticator by Skyost ships an update fortnightly, Acta every 8 days. The most recent releases landed on October 14, 2026 and October 5, 2026 respectively.

Scorecard3 real differences · 7 level
Open Authenticator by Skyost versus Acta: the parameters behind the verdict, then further details
ParameterOpen Authenticator by SkyostActa
PriceFreeFree
Rating4.4 (9 ratings) — better—
Positive reviews0.0% of reviews—
Number of ratings9 — better—
Update frequencyFortnightlyEvery 8 days — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPod, Mac — betteriPhone, iPad
Requires iOS15.0 — better26.0
Further details — not scored
Size56 MB41 MB
Age rating4+4+
DeveloperHugo DelaunaySectiva AS

In-app purchases

2 purchases

Open Authenticator by Skyost

Subscriptions2
  • Contributor Plan: Monthly$0.991 Month
  • Contributor Plan: Annual$9.991 Year
None

Acta

No in-app purchases

Questions

Is Open Authenticator by Skyost free?
Open Authenticator by Skyost is free to download, with in-app purchases available.
Is Acta free?
Acta is free to download, with no in-app purchases.
Do Open Authenticator by Skyost or Acta have ads?
Neither Open Authenticator by Skyost nor Acta shows ads.
Which is updated more often, Open Authenticator by Skyost or Acta?
Open Authenticator by Skyost ships an update fortnightly, and Acta every 8 days. Most recently, Open Authenticator by Skyost was updated on October 14, 2026 and Acta on October 5, 2026.

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