Strongbox Zero

Strongbox Zero

By Phoebe Code

Strongbox Zero is a local-only password manager that supports Password Safe and KeePass formats by stripping out all networking code and third-party libraries. It is designed for users who prioritize offline security and data isolation over cloud synchronization. The app is marketed as a high-performance, minimalist alternative to the standard Strongbox application.

Overview · Full Intel report in progress

The App DNA

What makes this app unique?

For Privacy-conscious users who require a strictly offline password management solution compatible with KeePass and Password Safe formats.

What does it look like?

Key features

Local-Only Architecturestandard

Eliminates all networking code and third-party libraries to ensure data remains strictly on the device.

Biometric and PIN Securitystandard

Supports Face ID, Touch ID, and a PIN code system that includes a Duress PIN option.

Hardware Token Supportstandard

Integrates with YubiKey to provide an additional layer of hardware-based protection for databases.

Isolated Attachmentsstandard

Maintains privacy by keeping all in-app attachments isolated from external environments.

How much does it cost?

paid

Velocity

Active developmentShow more...

5 versions in history. Development pace: active.

See all version history

Who built it?

Phoebe Code

5 apps tracked · Productivity

Strongbox ProStrongbox ProStrongbox - Password ManagerStrongbox - Password ManagerStrongbox (Non-Universal)Strongbox (Non-Universal)Strongbox Pro (Non-Universal)Strongbox Pro (Non-Universal)
Explore the full publisher profile

User Sentiment

What do users think recently?

How are ratings & reviews evolving?

App Store
4.33 · 21
Google Play
0.00 · 0

Not enough recent reviews to extract reliable themes yet.

Read the full review analysis

Competition

Competitive landscape for Strongbox Zero

How's the Productivity market?

The rivals identified

The Analyst's Read

Key takeaways for Strongbox Zero

Where is it heading?

Bottom line

While the app offers a robust offline security model, recent user sentiment is heavily impacted by concerns regarding the developer's acquisition and long-term product stewardship.

Report last updated

Disclosure: Independent intel to help mobile builders succeed.

AI-powered analysis with automated quality gates, built from publicly available sources. Marlvel.ai is not affiliated with, endorsed by, or sponsored by Strongbox Zero, its developer, the app publisher, Apple, or Google Play. All trademarks, logos, and screenshots referenced remain the property of their respective owners.

Cite this report

Marlvel.ai. “Strongbox Zero Intelligence Report.” Updated Apr 27, 2026. https://marlvel.ai/apps/strongbox-zero

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