# Möbius Sync vs Cryptomator

The clearest difference is rating: Cryptomator at 4.4 against Möbius Sync's 3.8. Cryptomator also leads on update cadence (every 3 weeks vs every 2 months) and review sentiment (63% vs 55%). Möbius Sync's advantage is iOS requirement (14.1 vs 16.0). On price, ratings volume, ads and in-app purchases there is nothing between them.

Both are free to download. Möbius Sync sells 1 one-off in-app purchase and Cryptomator sells 5 in-app purchases, starting at $9.99 per year. Whichever you choose, the download price is not the number that matters.

Cryptomator holds the better App Store score, 4.4 against 3.8. Both are backed by a comparable volume of ratings — 140 and 410 respectively. Written reviews point the same way: 55% of Möbius Sync's written reviews are positive against 63% of Cryptomator's.

Möbius Sync ships an update every 2 months, Cryptomator every 3 weeks. The most recent releases landed on September 25, 2026 and September 27, 2026 respectively.

## The numbers

| Metric | Möbius Sync | Cryptomator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.8 (140 ratings)](https://appshunter.io/ios/app/mobius-sync/id1539203216/reviews) | **[4.4 (410 ratings)](https://appshunter.io/ios/app/cryptomator-protect-privacy/id1560822163/reviews)** |
| Number of ratings | 140 | **410** |
| Positive reviews | 55.0% of reviews | **63.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 23 MB | 95 MB |
| Requires iOS | **14.1** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Pickup Infinity Limited](https://appshunter.io/developer/1118833408) | [Skymatic GmbH](https://appshunter.io/developer/516387682) |

## What reviewers say

### Möbius Sync

[App page](https://appshunter.io/ios/app/mobius-sync/id1539203216)

Synchronize files between your iOS devices and other Syncthing-supported platforms without relying on cloud storage. Manage multiple folders and remote devices, with options for sandbox or experimental cross-app sandbox syncing.

**Highlights:** File synchronization between iOS and other Syncthing devices, No cloud service required, Supports multiple folders and remote devices, Sync within app sandbox or other app sandboxes (paid), Uses open-source Syncthing engine

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlimited file sync | $4.99 | one-time |

**What reviewers like**

- ✅ Effective Syncthing implementation for iOS
- 💰 Fair one-time purchase model (no subscription)
- 🔒 Privacy-focused peer-to-peer syncing
- 📱 Good Files app integration
- ⚡ Fast file synchronization when working

**What reviewers complain about**

- 🐛 Outdated internal Syncthing version (1.28 vs 2.x)
- 💸 Aggressive paywall at 20MB free limit
- 🔌 No true background sync (iOS limitation)
- 🚫 Cannot sync iOS Photos app natively
- ⚠️ Inconsistent purchase restoration across devices

**Reported bugs**

- Syncthing version incompatibility with v2.x devices
- Device discovery limited to 1 of 5 paired devices
- Insufficient space errors despite available storage
- Purchase dialog rendering issues on older devices
- Purchase not persisting after app reinstall

**Requested features**

- Update internal Syncthing to version 2.x or higher
- iOS Photos app sync capability (at least one-way upload)
- True background synchronization
- Selective folder sync to save storage space
- File Provider extension for deeper iOS integration


### Cryptomator

[App page](https://appshunter.io/ios/app/cryptomator-protect-privacy/id1560822163)

Encrypt your sensitive data stored in cloud services with this open-source tool. It allows you to create secure vaults with passwords, accessible only by you, and integrates seamlessly with your device's file system. Protect your privacy and ensure your data remains confidential.

**Highlights:** Cloud data encryption, Password-protected vaults, Face ID/Touch ID unlock, Files app integration, Compatible with major cloud services, Open-source software

**Features:** Family Sharing

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full Version | $9.99 | per year |
| 30-Day Trial | Free | one-time |
| Free Upgrade | Free | one-time |
| Paid Upgrade | $2.99 | one-time |
| Full Version | $29.99 | one-time |

**What reviewers like**

- 🚀 Seamless integration with Files app
- 🔒 Robust encryption and security
- 👍 Easy to use and navigate
- 🚀 Convenient cloud storage access
- 💡 Useful for privacy-conscious users

**What reviewers complain about**

- 🐛 Occasional sync and upload issues
- 🐛 Compatibility problems with some cloud services
- 🐛 Unreliable file access and management
- 🔋 High battery consumption reported

**Reported bugs**

- Vault password change issues
- Files disappearing or becoming inaccessible
- Freezing and crashes on certain devices
- Compatibility problems with latest iOS versions

**Requested features**

- Automatic vault locking option
- Improved search and file management functionality
- Support for more cloud storage providers
- Offline file access and editing


## Frequently asked questions

### Is Möbius Sync free?

Möbius Sync is free to download, with in-app purchases available.

### Is Cryptomator free?

Cryptomator is free to download, with in-app purchases available.

### Which has better reviews, Möbius Sync or Cryptomator?

Cryptomator is rated higher. Möbius Sync averages 3.8 out of 5 from 140 ratings, while Cryptomator averages 4.4 from 410 ratings.

### Do Möbius Sync or Cryptomator have ads?

Neither Möbius Sync nor Cryptomator shows ads.

### Which is updated more often, Möbius Sync or Cryptomator?

Möbius Sync ships an update every 2 months, and Cryptomator every 3 weeks. Most recently, Möbius Sync was updated on September 25, 2026 and Cryptomator on September 27, 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.*