Comparison

OpenOTP Token vs privacyIDEA Authenticator

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

Head to head
About

OpenOTP Token

This app enhances enterprise security by providing multi-factor authentication with features like push notifications, OTPs, and anti-phishing protection. It can also transform your mobile device into an e-signature tool when combined with specific security suites.

Highlights
  • Multi-factor authentication (MFA)
  • Push notifications
  • One-time passwords (OTPs)
  • Anti-phishing protection
  • Geo-mapping
  • Biometric protection
  • E-signature device
Features
Read full description

OpenOTP Token is the official App we recommend to use with OpenOTP Authentication Server for Enterprises. It features Push Notifications and OTPs with anti-phishing, geo-mapping & biometric protection. In addition and combined with OpenOTP Security Suite, this token turns your mobile into an e-signature device (Advanced or Qualified signature). OpenOTP Token also provides an easy solution for organising your Multi-factor authentication (MFA) accounts, enabling secure login to all your resources. Join a more secure world.

About

privacyIDEA Authenticator

This app transforms your smartphone into a secure authentication device for two-factor authentication. It seamlessly integrates with a backend system, offering a more secure rollout process than traditional tokens.

Highlights
  • Two-factor authentication
  • OTP token support
  • Secure rollout process
  • Smartphone as authentication device
  • REST API integration
Features
Read full description

privacyIDEA is a modular solution for two factor authentication especially with OTP tokens. It is multi-tenency- and multi-instance-capable. Due to the modular structure privacyIDEA can be quickly and easily adapted and enhanced. E.g. adding new token types is as simple as writing a new lean python module. You do not need to modify your network for privacyIDEA, it does not write to existing databases or user stores. It only needs read access to your user stores like LDAP, Active Directory, SQL, SCIM-service or flat files. Existing workflows can be enhanced without the need to modify them. Using its simple REST like API it can be automated and smoothly be integrated. The Smartphone App "privacyIDEA Authenticator" turns your smartphone into an authentication device, which smoothlessly runs with the privacyIDEA backend. In contrast to classical smartphone based tokens the privacyIDEA Authenticator also allows for a more secure rollout process.

Screenshots

OpenOTP Token4 screens
privacyIDEA Authenticator4 screens

Verdict

The call

The clearest difference is rating: privacyIDEA Authenticator at 3.0 against OpenOTP Token's 2.6. On price, review sentiment, ratings volume and update cadence 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. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

privacyIDEA Authenticator holds the better App Store score, 3.0 against 2.6. Both are backed by a comparable volume of ratings — 17 and 7 respectively. Written reviews complicate that: 46% of OpenOTP Token's written reviews are positive against 43% of privacyIDEA Authenticator's, so the app with the better star average is not the one people write more warmly about.

UpkeepUpdate frequency

OpenOTP Token ships an update every 6 weeks, privacyIDEA Authenticator every 2 months. The most recent releases landed on September 19, 2026 and September 9, 2026 respectively.

Scorecard1 real difference · 9 level
OpenOTP Token versus privacyIDEA Authenticator: the parameters behind the verdict, then further details
ParameterOpenOTP TokenprivacyIDEA Authenticator
PriceFreeFree
Rating2.6 (17 ratings)3.0 (7 ratings) — better
Positive reviews46.2% of reviews — better42.9% of reviews
Number of ratings17 — better7
Update frequencyEvery 6 weeks — betterEvery 2 months
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.1 — better15.6
Further details — not scored
Size38 MB30 MB
Age rating4+4+
DeveloperRCDevs SANetKnights GmbH

Customer experience

OpenOTP Token

All ratings17 ratings
Positive41.2%
Neutral5.9%
Negative52.9%
Written reviews26 reviews
Positive46.2%
Neutral11.5%
Negative42.3%

privacyIDEA Authenticator

All ratings7 ratings
Positive42.9%
Neutral14.3%
Negative42.9%
Written reviews14 reviews
Positive42.9%
Neutral14.3%
Negative42.9%

In-app purchases

None

OpenOTP Token

No in-app purchases

None

privacyIDEA Authenticator

No in-app purchases

Questions

Is OpenOTP Token free?
OpenOTP Token is free to download, with no in-app purchases.
Is privacyIDEA Authenticator free?
privacyIDEA Authenticator is free to download, with no in-app purchases.
Which has better reviews, OpenOTP Token or privacyIDEA Authenticator?
privacyIDEA Authenticator is rated higher. OpenOTP Token averages 2.6 out of 5 from 17 ratings, while privacyIDEA Authenticator averages 3.0 from 7 ratings.
Do OpenOTP Token or privacyIDEA Authenticator have ads?
Neither OpenOTP Token nor privacyIDEA Authenticator shows ads.
Which is updated more often, OpenOTP Token or privacyIDEA Authenticator?
OpenOTP Token ships an update every 6 weeks, and privacyIDEA Authenticator every 2 months. Most recently, OpenOTP Token was updated on September 19, 2026 and privacyIDEA Authenticator on September 9, 2026.

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