# Strongbox Pro vs DEVONthink To Go 4

Strongbox Pro and DEVONthink To Go 4 both sit at 4.7 stars, but that hides the real split: 85% of Strongbox Pro's written reviews are positive against 39% of DEVONthink To Go 4's. Strongbox Pro also leads on chart position (#104 vs unranked) and device support (5 vs 2). DEVONthink To Go 4's advantage is price (Free vs $99.99). On rating, ratings volume, update cadence and ads there is nothing between them.

DEVONthink To Go 4 is free to download; Strongbox Pro costs $99.99 up front. Strongbox Pro sells 7 in-app purchases, starting at $2.99 per month and DEVONthink To Go 4 sells 2 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 4.7 for Strongbox Pro against 4.7 for DEVONthink To Go 4. Both are backed by a comparable volume of ratings — 341 and 258 respectively. Written reviews are what separate them: 85% of Strongbox Pro's written reviews are positive against 39% of DEVONthink To Go 4's.

Strongbox Pro ships an update every 2 weeks, DEVONthink To Go 4 every 3 weeks. The most recent releases landed on November 3, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Strongbox Pro | DEVONthink To Go 4 |
| --- | --- | --- |
| Price | $99.99 | **Free** |
| Rating | **[4.7 (341 ratings)](https://appshunter.io/ios/app/strongbox-pro/id1481853033/reviews)** | [4.7 (258 ratings)](https://appshunter.io/ios/app/devonthink-to-go-4/id6532619226/reviews) |
| Number of ratings | **341** | 258 |
| Positive reviews | **85.5% of reviews** | 39.4% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 3 weeks |
| Monetization | Paid | **Free with in-app purchases** |
| Best chart rank | **#104** | — |
| Size | 136 MB | 193 MB |
| Requires iOS | **15.0** | 26.0 |
| Devices | **iPhone, iPad, iPod, Mac, Apple Watch** | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [Phoebe Code Limited](https://appshunter.io/developer/897283734) | [DEVONtechnologies, LLC](https://appshunter.io/developer/395722473) |

## What reviewers say

### Strongbox Pro

[App page](https://appshunter.io/ios/app/strongbox-pro/id1481853033)

**Currently charting:** #104 Top Paid · Productivity (US App Store)

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:** Family Sharing, Apple Watch app, Vision Pro support

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Tip | $2.99 | per month |
| Annual Tip | $19.99 | per year |
| Little Tip | $4.99 | one-time |
| Small Tip | $9.99 | one-time |
| Medium Tip | $19.99 | one-time |
| Large Tip | $99.99 | one-time |
| Huge Tip | $199.99 | one-time |


### DEVONthink To Go 4

[App page](https://appshunter.io/ios/app/devonthink-to-go-4/id6532619226)

Manage your entire knowledge library on your iPad and iPhone. Organize, edit, and annotate documents, notes, and more. Leverage generative AI for summaries, content creation, and advanced search. Syncs privately and securely across devices.

**Highlights:** Document organization and management, AI-powered summaries and content creation, PDF annotation and editing, On-device OCR for searchable documents, Cross-device secure synchronization, Custom metadata and tagging, Shortcuts automation

**Features:** Family Sharing, Siri integration, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $2.99 | per month |
| Yearly | $19.99 | per year |


## Frequently asked questions

### Is Strongbox Pro free?

Strongbox Pro costs $99.99, and also offers in-app purchases.

### Is DEVONthink To Go 4 free?

DEVONthink To Go 4 is free to download, with in-app purchases available.

### Which has better reviews, Strongbox Pro or DEVONthink To Go 4?

Strongbox Pro is rated higher. Strongbox Pro averages 4.7 out of 5 from 341 ratings, while DEVONthink To Go 4 averages 4.7 from 258 ratings.

### Do Strongbox Pro or DEVONthink To Go 4 have ads?

Neither Strongbox Pro nor DEVONthink To Go 4 shows ads.

### Which is updated more often, Strongbox Pro or DEVONthink To Go 4?

Strongbox Pro ships an update every 2 weeks, and DEVONthink To Go 4 every 3 weeks. Most recently, Strongbox Pro was updated on November 3, 2026 and DEVONthink To Go 4 on November 5, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*