# DS cloud vs Möbius Sync

The clearest difference is rating: Möbius Sync at 3.8 against DS cloud's 2.5. Möbius Sync also leads on review sentiment (55% vs 23%). DS cloud's advantage is in-app purchases (none vs 1) and iOS requirement (8.0 vs 14.1). On price, ratings volume, update cadence and ads there is nothing between them.

Both are free to download. Möbius Sync sells 1 one-off in-app purchase. DS cloud asks for nothing beyond the download.

Möbius Sync holds the better App Store score, 3.8 against 2.5. Both are backed by a comparable volume of ratings — 72 and 140 respectively. Written reviews point the same way: 23% of DS cloud's written reviews are positive against 55% of Möbius Sync's.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on September 16, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | DS cloud | Möbius Sync |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.5 (72 ratings)](https://appshunter.io/ios/app/ds-cloud/id590216612/reviews) | **[3.8 (140 ratings)](https://appshunter.io/ios/app/mobius-sync/id1539203216/reviews)** |
| Number of ratings | 72 | **140** |
| Positive reviews | 23.4% of reviews | **55.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | **Free** | Free with in-app purchases |
| Size | 77 MB | 23 MB |
| Requires iOS | **8.0** | 14.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Synology Inc.](https://appshunter.io/developer/321493109) | [Pickup Infinity Limited](https://appshunter.io/developer/1118833408) |

## What reviewers say

### DS cloud

[App page](https://appshunter.io/ios/app/ds-cloud/id590216612)

Access and sync selected folders from your Synology NAS to your mobile device. Enjoy offline viewing of your files anywhere, with customizable sync settings for file size and type.

**Highlights:** Folder synchronization, Offline file viewing, Customizable sync settings, File size limits, File type filtering

**Features:** Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 💾 Effective file synchronization between devices
- 🔒 Private cloud storage without third-party servers
- 📱 Works well with iPad and iPhone for document management
- ⚡ Fast sync speeds on local networks
- 🎯 Good integration with iWork applications

**What reviewers complain about**

- 🐛 Crashes frequently on iOS 14+ versions
- ❌ Not compatible with DSM 7.0
- ⚠️ Version mismatch errors preventing login
- 🚫 Hasn't been updated in 3+ years
- 📉 Poor performance on newer iPhone models

**Reported bugs**

- App crashes on launch with iOS 14.2+
- Face ID causes app to crash immediately
- Touch ID crashes app on iPhone X/XS
- Version not up-to-date error despite fresh installation
- PDF files crash app when opened (2+ pages)

**Requested features**

- Update app for iOS 14+ compatibility
- DSM 7.0 support
- Background synchronization capability
- On-demand file download (like Dropbox)
- Face ID and Touch ID support


### 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


## Frequently asked questions

### Is DS cloud free?

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

### Is Möbius Sync free?

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

### Which has better reviews, DS cloud or Möbius Sync?

Möbius Sync is rated higher. DS cloud averages 2.5 out of 5 from 72 ratings, while Möbius Sync averages 3.8 from 140 ratings.

### Do DS cloud or Möbius Sync have ads?

Neither DS cloud nor Möbius Sync shows ads.

### Which is updated more often, DS cloud or Möbius Sync?

DS cloud ships an update every 2 months, and Möbius Sync every 2 months. Most recently, DS cloud was updated on September 16, 2026 and Möbius Sync on September 29, 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.*