# Strongbox Pro vs Synctrain

The clearest difference is price: Synctrain at Free against Strongbox Pro's $99.99. Synctrain also leads on in-app purchases (none vs 7) and rating (4.9 vs 4.7). Strongbox Pro's advantage is update cadence (every 2 weeks vs every 6 weeks) and device support (5 vs 3). On review sentiment, ratings volume and ads there is nothing between them.

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

Synctrain holds the better App Store score, 4.9 against 4.7. Both are backed by a comparable volume of ratings — 338 and 123 respectively. Written reviews point the same way: 86% of Strongbox Pro's written reviews are positive against 89% of Synctrain's.

Strongbox Pro ships an update every 2 weeks, Synctrain every 6 weeks. Both last shipped on October 15, 2026.

## The numbers

| Metric | Strongbox Pro | Synctrain |
| --- | --- | --- |
| Price | $99.99 | **Free** |
| Rating | [4.7 (338 ratings)](https://appshunter.io/ios/app/strongbox-pro/id1481853033/reviews) | **[4.9 (123 ratings)](https://appshunter.io/ios/app/synctrain/id6553985316/reviews)** |
| Number of ratings | **338** | 123 |
| Positive reviews | 85.8% of reviews | **89.5% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 6 weeks |
| Monetization | Paid | **Free** |
| Size | 136 MB | 33 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod, Mac, Apple Watch** | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [Phoebe Code Limited](https://appshunter.io/developer/897283734) | [T-Shaped](https://appshunter.io/developer/1758051723) |

## What reviewers say

### Strongbox Pro

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

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 |


### Synctrain

[App page](https://appshunter.io/ios/app/synctrain/id6553985316)

Securely synchronize files and folders between your devices. Stream audio and video directly from other devices.  Manage file sharing permissions to control access to your data.

**Highlights:** Secure file synchronization, Full folder synchronization, Specific file selection, Audio and video streaming, Cross-device file mirroring, Customizable sharing permissions

**Features:** Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 👍 Intuitive interface
- 🚀 Seamless sync between devices
- 🔓 Open-source and free
- 💡 Integrates with iOS Files app

**What reviewers complain about**

- 🐛 Occasional connection issues
- 🔍 Could use more Apple-like design

**Reported bugs**

- Occasional app crashes
- Sync delays on some devices

**Requested features**

- Direct photo/video sync to remote devices
- Faster initial connection to server


## Frequently asked questions

### Is Strongbox Pro free?

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

### Is Synctrain free?

Synctrain is free to download, with no in-app purchases.

### Which has better reviews, Strongbox Pro or Synctrain?

Synctrain is rated higher. Strongbox Pro averages 4.7 out of 5 from 338 ratings, while Synctrain averages 4.9 from 123 ratings.

### Do Strongbox Pro or Synctrain have ads?

Neither Strongbox Pro nor Synctrain shows ads.

### Which is updated more often, Strongbox Pro or Synctrain?

Strongbox Pro ships an update every 2 weeks, and Synctrain every 6 weeks. Most recently, Strongbox Pro was updated on October 15, 2026 and Synctrain on October 15, 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.*