Comparison

Strongbox vs Nudge Productivity

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

Head to head
About

Strongbox

Securely store and manage all your passwords with one master password. Supports open-source formats and offers advanced security features like biometric unlock and YubiKey protection. Includes password auditing and cloud syncing for easy access.

Highlights
  • Biometric unlock (Face ID/Touch ID)
  • Passkey support
  • YubiKey protection
  • Password auditing (Have I Been Pwned?)
  • Cloud syncing (iCloud, Dropbox, Google Drive)
  • Secure password generation
  • TOTP Two Factor Authentication codes
Features
Read full description

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. *** Features *** - Face ID/Touch ID Unlock for the ultimate in convenience, security and speed. - Passkey support - The latest, most convenient and most secure authentication method (passkeys). - 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 password 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. *** Strongbox is Freemium *** This means that Strongbox is free with a basic feature set, but if you like there are enhanced Pro features too. You can opt-in to a 90 day Free Trial of all the Pro features if you like, no obligations, but most find the Free version perfectly adequate. --------------------------------------------------------------------- • Strongbox provides In-App Purchases (both auto renewable subscriptions and one-off non-consumable) for Pro versions of the App • An outright/upfront (i.e. non In-App Purchase) option exists also, please see the Strongbox website for details. • Subscriptions are auto renewable with recurring billing. Cancel anytime. • The time period of the subscriptions are monthly, 3-monthly or yearly at users discretion • The user can also choose to purchase a 'Lifetime' one-off Pro version of the App • Payment will be charged to iTunes Account at confirmation of purchase • Subscription automatically renews unless auto-renew is turned off at least 24-hours before the end of the current period • Account will be charged for renewal within 24-hours prior to the end of the current period, and identify the cost of the renewal • Subscriptions may be managed by the user and auto-renewal may be turned off by going to the user's Account Settings after purchase • Any unused portion of a free trial period, if offered, will be forfeited when the user purchases a subscription to that publication, where applicable • 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

Nudge Productivity

Organize your academic life with this student-focused productivity app. Manage schedules, assignments, goals, and extracurriculars in one intuitive interface. Receive smart notifications to stay on track and build positive habits.

Highlights
  • Schedule management (weekly, A/B, multi-day cycles)
  • Assignment and task tracking with reminders
  • Goal setting and habit building
  • Extracurricular activity logging
  • Smart, customizable notifications
  • Intuitive and fast native design
Features
Read full description

Built by students, for students. Nudge brings your classes, tasks, goals, and clubs into one clean app so nothing slips through the cracks. YOUR SCHEDULE, YOUR WAY Every school runs differently. Nudge handles fixed weekly schedules, alternating Week A/B rotations, and multi-day cycle schedules, automatically tracking which day you're on so your classes are always up to date. TASKS THAT ACTUALLY GET DONE Add assignments, projects, and tasks in seconds. Set due dates, organize by category, and get reminders when it matters, not when it's too late. SET GOALS, BUILD HABITS Define what you're working toward and track it daily. Nudge surfaces your most important goal front and center so you never lose sight of the big picture. CLUBS & ACTIVITIES Keep track of your extracurriculars alongside everything else. Log meeting times, locations, and upcoming dates, all in one place. SMART NOTIFICATIONS The Nudge Push Engine sends timely reminders during the hours you're actually available. You set the window, Nudge handles the rest. DESIGNED TO FEEL INTUITIVE This app is clean, fast, and built natively for iPhone. Personalize your accent color, and get in and out of the app quickly with the speed dial shortcut for adding anything on the fly. WARNING: This app is still a work in progress. If you wish to suggest any features or report any bugs, please send an email to support@nudgeproductivity.com or go to our support link to send one from there. Thanks for reading this by the way :)

Screenshots

Strongbox4 screens
Nudge Productivity4 screens

Verdict

The call

The clearest difference is in-app purchases: Nudge Productivity at none against Strongbox's 10. Nudge Productivity also leads on rating (5.0 vs 4.7). Strongbox's advantage is ratings volume (4.1K vs 2) and device support (5 vs 2). On price, update cadence and ads 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. Strongbox sells 9 in-app purchases, starting at $2.99 per month. Nudge Productivity asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Nudge Productivity holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: Strongbox has 4.1K ratings behind it against 2, so its average is the more settled of the two.

UpkeepUpdate frequency

Strongbox ships an update fortnightly, Nudge Productivity every 3 weeks. The most recent releases landed on November 6, 2026 and October 31, 2026 respectively.

Scorecard6 real differences · 4 level
Strongbox versus Nudge Productivity: the parameters behind the verdict, then further details
ParameterStrongboxNudge Productivity
PriceFreeFree
Rating4.7 (4.1K ratings)5.0 (2 ratings) — better
Positive reviews83.6% of reviews—
Number of ratings4.1K — better2
Update frequencyFortnightly — betterEvery 3 weeks
AdsNoNo
In-app purchasesYesNo — better
MonetizationFreemiumFree — better
DevicesiPhone, iPad, iPod, Mac, Apple Watch — betteriPhone, iPad
Requires iOS15.0 — better18.6
Further details — not scored
Size145 MB3 MB
Age rating4+4+
DeveloperPhoebe Code LimitedMRINAL BHASKER

Customer experience

Strongbox

All ratings4,065 ratings
Positive94.1%
Neutral1.8%
Negative4.1%
Written reviews566 reviews
Positive83.6%
Neutral4.2%
Negative12.2%

Nudge Productivity

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

Bugs and requests

Strongbox

Reported bugs

2 issues
  • Crashes when using certain iOS versions
  • Issues with database syncing and corruption

Requested features

4 requests
  • Ability to create custom templates and fields
  • Improved organization and search functionality
  • Tighter integration with Apple Keychain
  • Support for more cloud storage providers

Nudge Productivity

Not enough reviews yet to summarise bugs or requests.

In-app purchases

9 purchases

Strongbox

Subscriptions7
  • Strongbox Pro (Monthly)2 variants$2.991 Month
  • Strongbox Pro (Yearly)$19.991 Year
  • Strongbox Pro (Yearly)3 Months trial$19.991 Year
Show 4 more
  • Strongbox Pro (Yearly)1 Month trial$19.991 Year
  • Strongbox Pro (Yearly)1 Year trial$24.991 Year
  • Strongbox Pro (Yearly)3 Months trial$24.991 Year
  • Strongbox Pro (Yearly)7 Days trial$24.991 Year
One-time2
  • Little Tip$4.99
  • Strongbox Pro (Lifetime)$99.99
None

Nudge Productivity

No in-app purchases

Questions

Is Strongbox free?
Strongbox is free to download, with in-app purchases available.
Is Nudge Productivity free?
Nudge Productivity is free to download, with no in-app purchases.
Which has better reviews, Strongbox or Nudge Productivity?
Nudge Productivity is rated higher. Strongbox averages 4.7 out of 5 from 4.1K ratings, while Nudge Productivity averages 5.0 from 2 ratings.
Do Strongbox or Nudge Productivity have ads?
Neither Strongbox nor Nudge Productivity shows ads.
Which is updated more often, Strongbox or Nudge Productivity?
Strongbox ships an update fortnightly, and Nudge Productivity every 3 weeks. Most recently, Strongbox was updated on November 6, 2026 and Nudge Productivity on October 31, 2026.

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