Comparison

Optimal Authenticator vs Chirp Access

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

Head to head
About

Optimal Authenticator

This app provides a secure way to verify your identity for accessing other applications. It uses two-factor authentication via push notifications or verification codes, and allows organizations to register trusted devices for sign-in requests.

Highlights
  • Two-factor authentication
  • Push notification verification
  • On-app verification codes
  • Trusted device registration
  • Secure identity verification
Features
Read full description

With the Optimal Authenticator, quickly and securely verify your identity for access to all of your applications. Authentication features include: Two-factor authentication: Two-factor authentication provides an extra layer of security to your account. When signing in, after entering your password, you'll be asked to provide additional verification via the app. A push notification is sent to your mobile device to alert you of a pending two-factor verification request. Simply tap on the notification to launch the app and tap Approve to complete the verification. Alternatively, you may be prompted to enter the verification code displayed in the app. Device registration: By registering your device through the app, organizations can verify that the sign-in request is coming from a trusted device.

About

Chirp Access

This app allows residents of multifamily and student housing to open doors, gates, and garages using their mobile device. It also enables remote access granting for guests and service providers, eliminating the need for physical keys and fobs.

Highlights
  • Open doors, gates, and garages with mobile device
  • Remotely grant access to guests
  • Grant access to service providers
  • Eliminates key and fob requirements
  • Smart access for multifamily housing
Features
Read full description

Chirp is a smart access solution for individuals living in multifamily and student housing communities. Chirp enables you to open any door, gate or garage using a mobile device and makes it easy to remotely grant access to friends, guest and service providers. Chirp liberates both residents and property management from the key and fob access nightmare. Use of the app requires Chirp-compatible hardware to be installed at your building. To learn more about our products visit www.chirpsystems.com.

Screenshots

Optimal Authenticator4 screens
Chirp Access4 screens

Verdict

The call

The clearest difference is rating: Optimal Authenticator at 3.0 against Chirp Access's 2.0. Chirp Access's advantage is ratings volume (642 vs 4) and update cadence (every 6 weeks vs every 3 months). On price, ads, 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

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

Optimal Authenticator holds the better App Store score, 3.0 against 2.0. That said, the two scores are not equally well evidenced: Chirp Access has 642 ratings behind it against 4, so its average is the more settled of the two. Written reviews complicate that: 0% of Optimal Authenticator's written reviews are positive against 9% of Chirp Access's, so the app with the better star average is not the one people write more warmly about.

UpkeepUpdate frequency

Optimal Authenticator ships an update every 3 months, Chirp Access every 6 weeks. The most recent releases landed on September 19, 2026 and September 28, 2026 respectively.

Scorecard4 real differences · 6 level
Optimal Authenticator versus Chirp Access: the parameters behind the verdict, then further details
ParameterOptimal AuthenticatorChirp Access
PriceFreeFree
Rating3.0 (4 ratings) — better2.0 (642 ratings)
Positive reviews0.0% of reviews9.2% of reviews — better
Number of ratings4642 — better
Update frequencyEvery 3 monthsEvery 6 weeks — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS15.0 — better15.1
Further details — not scored
Size80 MB45 MB
Age rating4+4+
DeveloperOptimal IdMChirp

Customer experience

Optimal Authenticator

All ratings4 ratings
Positive50.0%
Neutral0.0%
Negative50.0%
Written reviews1 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

Chirp Access

All ratings642 ratings
Positive20.1%
Neutral7.2%
Negative72.7%
Written reviews152 reviews
Positive9.2%
Neutral12.5%
Negative78.3%

Bugs and requests

Optimal Authenticator

Not enough reviews yet to summarise bugs or requests.

Chirp Access

Reported bugs

4 issues
  • App frequently freezes or becomes unresponsive
  • Spaceship mode rarely works as intended
  • Favorites list doesn't always load properly
  • Inconsistent Bluetooth detection and connectivity

Requested features

5 requests
  • Apple Watch app support
  • CarPlay integration for gate access
  • Siri/voice control for door/gate opening
  • Ability to add front door to favorites
  • Improved UI/UX, especially for frequently used actions

In-app purchases

None

Optimal Authenticator

No in-app purchases

None

Chirp Access

No in-app purchases

Questions

Is Optimal Authenticator free?
Optimal Authenticator is free to download, with no in-app purchases.
Is Chirp Access free?
Chirp Access is free to download, with no in-app purchases.
Which has better reviews, Optimal Authenticator or Chirp Access?
Optimal Authenticator is rated higher. Optimal Authenticator averages 3.0 out of 5 from 4 ratings, while Chirp Access averages 2.0 from 642 ratings.
Do Optimal Authenticator or Chirp Access have ads?
Neither Optimal Authenticator nor Chirp Access shows ads.
Which is updated more often, Optimal Authenticator or Chirp Access?
Optimal Authenticator ships an update every 3 months, and Chirp Access every 6 weeks. Most recently, Optimal Authenticator was updated on September 19, 2026 and Chirp Access on September 28, 2026.

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