Comparison

Strongbox Pro vs Karakeep App

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

Head to head
About

Strongbox Pro

Securely store and protect all your passwords with one master password. Supports open-source formats and offers advanced security features like biometric unlock, hardware token protection, and cloud syncing.

Highlights
  • Master password protection
  • Biometric unlock (Face ID/Touch ID)
  • Passkey and YubiKey support
  • Military-grade encryption
  • Cloud sync (iCloud, Dropbox, etc.)
  • Password auditing (weak passwords, HIBP check)
  • Secure password generation
Features
Currently charting
Read full description

Strongbox Pro is available here for outright and upfront purchase instead of via an In-App Purchase upgrade. This version of Strongbox is identical to the much loved Strongbox application with all the Pro features and the same regular update schedule. Strongbox 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. *** Supports Family Sharing *** *** 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. - Passkey support - The latest, most convenient and most secure authentication method (passkeys). - 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 including a 'Have I Been Pwned?' check. - Cloud Support, so you can access your cloud safes using iCloud, Dropbox, OneDrive, Google Drive, WebDAV or SFTP even when offline. Use the built in Files app for many other storage options or store them securely only on your local device. You choose your storage. - 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 or use cloud storage. - 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 Icon & FavIcons (including automatic search & download). - 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

Karakeep App

Effortlessly save links, notes, and images with automatic AI-powered tagging for quick retrieval. Search through all your saved content, including link contents, at blazing fast speeds. Organize your saved items into custom lists and share content from any app.

Highlights
  • Automatic AI tagging
  • Full-text search
  • Custom lists
  • Sharing extension
  • Save links, notes, and images
Features
Read full description

Quickly save links, notes, and images and karakeep will automatically tag them for you using AI for faster retrieval. Content (including link contents) are indexed for blazing fast full text search. Organize you items into custom lists. Sharing extension to hoard items from any other apps.

Screenshots

Strongbox Pro4 screens
Karakeep App4 screens

Verdict

The call

The clearest difference is price: Karakeep App at Free against Strongbox Pro's $99.99. Karakeep App also leads on in-app purchases (none vs 7). Strongbox Pro's advantage is review sentiment (85% vs 71%) and chart position (#84 vs unranked). On rating, ads and iOS requirement 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

Karakeep App is free to download; Strongbox Pro costs $99.99 up front. Strongbox Pro sells 7 in-app purchases, starting at $2.99 per month. Karakeep App asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.7 for Strongbox Pro against 4.6 for Karakeep App. That said, the two scores are not equally well evidenced: Strongbox Pro has 341 ratings behind it against 44, so its average is the more settled of the two. Written reviews are what separate them: 85% of Strongbox Pro's written reviews are positive against 71% of Karakeep App's.

UpkeepUpdate frequency

Strongbox Pro ships an update every 2 weeks, Karakeep App every 5 weeks. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.

Scorecard8 real differences · 3 level
Strongbox Pro versus Karakeep App: the parameters behind the verdict, then further details
ParameterStrongbox ProKarakeep App
Price$99.99Free — better
Rating4.7 (341 ratings) — better4.6 (44 ratings)
Positive reviews85.5% of reviews — better70.6% of reviews
Number of ratings341 — better44
Update frequencyEvery 2 weeks — betterEvery 5 weeks
AdsNoNo
In-app purchasesYesNo — better
MonetizationPaidFree — better
Best chart rank#84 — better—
DevicesiPhone, iPad, iPod, Mac, Apple Watch — betteriPhone, iPad, Mac
Requires iOS15.0 — better16.4
Further details — not scored
Size136 MB56 MB
Age rating4+17+
DeveloperPhoebe Code LimitedMohamed Bassem

Customer experience

Strongbox Pro

All ratings338 ratings
Positive93.5%
Neutral0.9%
Negative5.6%
Written reviews227 reviews
Positive85.5%
Neutral4.0%
Negative10.6%

Karakeep App

All ratings44 ratings
Positive88.6%
Neutral4.5%
Negative6.8%
Written reviews17 reviews
Positive70.6%
Neutral11.8%
Negative17.6%

In-app purchases

7 purchases

Strongbox Pro

Subscriptions2
  • Monthly Tip$2.991 Month
  • Annual Tip$19.991 Year
One-time5
  • Little Tip$4.99
  • Small Tip$9.99
  • Medium Tip$19.99
Show 2 more
  • Large Tip$99.99
  • Huge Tip$199.99
None

Karakeep App

No in-app purchases

Questions

Is Strongbox Pro free?
Strongbox Pro costs $99.99, and also offers in-app purchases.
Is Karakeep App free?
Karakeep App is free to download, with no in-app purchases.
Which has better reviews, Strongbox Pro or Karakeep App?
Strongbox Pro is rated higher. Strongbox Pro averages 4.7 out of 5 from 341 ratings, while Karakeep App averages 4.6 from 44 ratings.
Do Strongbox Pro or Karakeep App have ads?
Neither Strongbox Pro nor Karakeep App shows ads.
Which is updated more often, Strongbox Pro or Karakeep App?
Strongbox Pro ships an update every 2 weeks, and Karakeep App every 5 weeks. Most recently, Strongbox Pro was updated on November 3, 2026 and Karakeep App on October 30, 2026.

Other comparisons