Comparison

Rublon Authenticator vs Bitdefender GravityZone MTD

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

Head to head
About

Rublon Authenticator

This app provides two-factor authentication for secure remote access. It allows users to approve logins directly from their mobile device, even without an internet connection.

Highlights
  • Two-factor authentication
  • Secure remote access
  • Offline login approval
  • Mobile device integration
Features
Read full description

Rublon Authenticator works with the Rublon two-factor authentication service, which secures remote access to applications and networks. The app enables you to approve logins with your mobile device even if it's offline.

About

Bitdefender GravityZone MTD

This mobile security solution defends corporate and personal devices against phishing, zero-day threats, and advanced cyberattacks. It offers robust protection for applications, web traffic, and the device itself, while strictly safeguarding employee privacy and personal data.

Highlights
  • Mobile threat defense
  • Phishing protection
  • Zero-day threat detection
  • Application security
  • Web traffic protection
  • Privacy safeguarding
Features
Read full description

Bitdefender GravityZone Security for Mobile is a mobile threat defense solution that provides mobile security for corporate-owned and BYOD devices against phishing, zero-day threats, and modern attack vectors. It ensures high-quality cyber security protection on applications, web traffic and mobile devices. All without compromising employees’ privacy or personal data. Bitdefender GravityZone Security for Mobile protects your privacy. Your organization: - Cannot read your texts, emails, or other communication - Cannot see your browsing history - Cannot listen to your calls or see who you talk to - Cannot listen to you via your phone’s microphone - Cannot monitor you via your camera - Cannot read your files or documents - Cannot capture your screen - Cannot view your contacts Bitdefender GravityZone Security for Mobile collects threat information and system actions to help your security team detect malicious activities or attacks that may compromise your personal and/or corporate information. Any information collected on your device will never be shared or sold to a third party.

Screenshots

Rublon Authenticator2 screens
Bitdefender GravityZone MTD4 screens

Verdict

The call

The clearest difference is rating: Bitdefender GravityZone MTD at 4.0 against Rublon Authenticator's 3.1. Bitdefender GravityZone MTD also leads on iOS requirement (12.0 vs 15.1). Rublon Authenticator's advantage is update cadence (every 3 weeks vs every 5 months) and ratings volume (8 vs 1). 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

Bitdefender GravityZone MTD holds the better App Store score, 4.0 against 3.1. That said, the two scores are not equally well evidenced: Rublon Authenticator has 8 ratings behind it against 1, so its average is the more settled of the two.

UpkeepUpdate frequency

Rublon Authenticator ships an update every 3 weeks, Bitdefender GravityZone MTD every 5 months. The most recent releases landed on August 26, 2026 and August 21, 2026 respectively.

Scorecard4 real differences · 6 level
Rublon Authenticator versus Bitdefender GravityZone MTD: the parameters behind the verdict, then further details
ParameterRublon AuthenticatorBitdefender GravityZone MTD
PriceFreeFree
Rating3.1 (8 ratings)4.0 (1 ratings) — better
Positive reviews50.0% of reviews—
Number of ratings8 — better1
Update frequencyEvery 3 weeks — betterEvery 5 months
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.112.0 — better
Further details — not scored
Size37 MB70 MB
Age rating4+4+
DeveloperRublon Sp. z o.o.Zimperium

Customer experience

Rublon Authenticator

All ratings8 ratings
Positive50.0%
Neutral0.0%
Negative50.0%
Written reviews2 reviews
Positive50.0%
Neutral0.0%
Negative50.0%

Bitdefender GravityZone MTD

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

Rublon Authenticator

No in-app purchases

None

Bitdefender GravityZone MTD

No in-app purchases

Questions

Is Rublon Authenticator free?
Rublon Authenticator is free to download, with no in-app purchases.
Is Bitdefender GravityZone MTD free?
Bitdefender GravityZone MTD is free to download, with no in-app purchases.
Which has better reviews, Rublon Authenticator or Bitdefender GravityZone MTD?
Bitdefender GravityZone MTD is rated higher. Rublon Authenticator averages 3.1 out of 5 from 8 ratings, while Bitdefender GravityZone MTD averages 4.0 from 1 ratings.
Do Rublon Authenticator or Bitdefender GravityZone MTD have ads?
Neither Rublon Authenticator nor Bitdefender GravityZone MTD shows ads.
Which is updated more often, Rublon Authenticator or Bitdefender GravityZone MTD?
Rublon Authenticator ships an update every 3 weeks, and Bitdefender GravityZone MTD every 5 months. Most recently, Rublon Authenticator was updated on August 26, 2026 and Bitdefender GravityZone MTD on August 21, 2026.

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