Comparison

Strongbox Zero vs roamOS

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

Head to head
About

Strongbox Zero

This app securely stores and protects your passwords with a master password. It supports open-source formats and offers advanced security features like biometric unlock and hardware token protection. It's designed for users who prefer a local-only password management solution.

Highlights
  • Local-only password storage
  • Biometric and PIN unlock
  • YubiKey hardware token protection
  • Military-grade cryptography
  • Password auditing for weak passwords
  • Secure document attachment viewer
  • Import/Export via Files app and Email
Features
Read full description

Strongbox Zero is a version of the well known and loved Strongbox with all of the networking code and as many third party libraries stripped out as we could! Think of it as the Drag Racer version of Strongbox! If you're a fan of Local Only password managers this could be the right choice for you. We recommend you get to know (and love!) the regular Strongbox first through the Freemium app. Once you're happy and sure you want to go local only, go for Strongbox Zero... Strongbox Zero is an application for keeping all your passwords safely stored and protected by one master password. Supporting the open source Password Safe and KeePass formats. *** Features *** - Face ID/Touch ID Unlock for the ultimate in convenience, security and speed. - PIN Code Unlock with a Duress PIN option for those tricky situations. - YubiKey protection - secure your databases with a hardware token. - Secure - protected by time tested military grade cryptography. - Private - Isolated In-App attachments viewer for your sensitive documents, photos & videos. - Audit your passwords - Automatically check your database for weak passwords - Search your entire set of passwords and secrets instantly and powerfully, with deep search. Autocomplete new entries, and auto generate secure passwords. - Compatible - Import/Export by Files app, Email, CSV, iTunes File Sharing - Standards compliant - using the time tested Password Safe and KeePass formats so you can import any existing password safe you have. - Features galore - Incredibly configurable password generation including Diceware (XKCD) & regular passwords. - Timed Auto Clear Clipboard. - Entry History. - KeePass Field References, Tags & Custom Icons. - Two Factor Authentication codes (TOTP) - QR Code, Steam & Manual. --------------------------------------------------------------------- • Payment will be charged to iTunes Account at confirmation of purchase • Strongbox Privacy Policy may be found here: https://strongboxsafe.com/privacy-policy/ • Strongbox Terms of Use may be found here: https://strongboxsafe.com/terms/

About

roamOS

Seamlessly integrate your Roam Research knowledge base into your daily workflow. Capture ideas instantly, access notes via system search, and view tasks with customizable widgets without interrupting your focus.

Highlights
  • Instant capture via Siri and shortcuts
  • Customizable home screen widgets
  • System-wide search integration
  • Natural language queries
  • Cross-device compatibility (iPhone, iPad, Mac)
  • One-time purchase with lifetime updates
Features
Read full description

You've built the perfect knowledge system in Roam. But it's locked away from where you actually work. Your breakthrough insights hit during Zoom calls, but opening Roam breaks your flow. Every TODO check means app switching. Every lookup interrupts your momentum. Your second brain can't help if you can't access it. roamOS bridges your knowledge and your workflow. Finally, your Roam graph works everywhere you do. Capture thoughts instantly via Siri, access notes through system search, and see your TODOs in beautiful widgets. No more app switching. No more lost insights. Instant Capture That brilliant idea hits during a meeting? Capture it instantly with Siri voice commands, keyboard shortcuts, or the quick launcher. Your thoughts flow directly into Roam without breaking focus. Beautiful Widgets Transform your morning routine with customizable widgets that surface exactly what you need. Your TODOs, recent notes, and daily reminders - right on your home screen where you'll actually see them. System-Wide Access Your knowledge becomes part of your system. Press Command+Space on Mac or swipe down on iPhone - search for any thought and jump directly to context. Your Roam graph integrates seamlessly with Spotlight search. Natural Language Queries Ask naturally and get instant results. "Yesterday's TODOs," "meetings this week," or "notes about pricing" - no Datalog required. Just think and ask. Complete Integration Works beautifully across iPhone, iPad, and Mac. Your second brain follows you everywhere - menubar access, Siri shortcuts, system search, and gorgeous widgets that actually help. Built by Roam users, for Roam users. Stop switching apps to access your thoughts. Your knowledge system deserves to work as hard as you do. One-time purchase. Lifetime updates. No subscriptions. Perfect for knowledge workers, researchers, writers, and anyone building their second brain in Roam Research.

Screenshots

Strongbox Zero4 screens
roamOS3 screens

Verdict

The call

The clearest difference is price: roamOS at $19.99 against Strongbox Zero's $99.99. roamOS also leads on update cadence (every 4 days vs every 2 weeks). Strongbox Zero's advantage is rating (4.3 vs 1.0) and review sentiment (75% vs 33%). On 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

Strongbox Zero costs $99.99 and roamOS $19.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

Strongbox Zero holds the better App Store score, 4.3 against 1.0. That said, the two scores are not equally well evidenced: Strongbox Zero has 21 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 75% of Strongbox Zero's written reviews are positive against 33% of roamOS's.

UpkeepUpdate frequency

Strongbox Zero ships an update every 2 weeks, roamOS every 4 days. The most recent releases landed on October 15, 2026 and October 9, 2026 respectively.

Scorecard7 real differences · 3 level
Strongbox Zero versus roamOS: the parameters behind the verdict, then further details
ParameterStrongbox ZeroroamOS
Price$99.99$19.99 — better
Rating4.3 (21 ratings) — better1.0 (1 ratings)
Positive reviews75.0% of reviews — better33.3% of reviews
Number of ratings21 — better1
Update frequencyEvery 2 weeksEvery 4 days — better
AdsNoNo
In-app purchasesNoNo
MonetizationPaidPaid
DevicesiPhone, iPad, iPod, Mac, Apple Watch — betteriPhone, Mac
Requires iOS15.0 — better26.0
Further details — not scored
Size96 MB6 MB
Age rating4+4+
DeveloperPhoebe Code LimitedRyan Sonnek

Customer experience

Strongbox Zero

All ratings21 ratings
Positive85.7%
Neutral0.0%
Negative14.3%
Written reviews20 reviews
Positive75.0%
Neutral0.0%
Negative25.0%

roamOS

All ratings1 ratings
Positive0.0%
Neutral0.0%
Negative100.0%
Written reviews3 reviews
Positive33.3%
Neutral0.0%
Negative66.7%

In-app purchases

None

Strongbox Zero

No in-app purchases

None

roamOS

No in-app purchases

Questions

Is Strongbox Zero free?
Strongbox Zero costs $99.99, with no in-app purchases.
Is roamOS free?
roamOS costs $19.99, with no in-app purchases.
Which has better reviews, Strongbox Zero or roamOS?
Strongbox Zero is rated higher. Strongbox Zero averages 4.3 out of 5 from 21 ratings, while roamOS averages 1.0 from 1 ratings.
Do Strongbox Zero or roamOS have ads?
Neither Strongbox Zero nor roamOS shows ads.
Which is updated more often, Strongbox Zero or roamOS?
Strongbox Zero ships an update every 2 weeks, and roamOS every 4 days. Most recently, Strongbox Zero was updated on October 15, 2026 and roamOS on October 9, 2026.

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