Nextcloud vs Möbius Sync
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Nextcloud
Access, manage, and share your files and photos from your private cloud storage. Upload media to free up phone space, work on documents offline, and utilize AI assistance. Secure your data with password or FaceID protection and end-to-end encryption.
- Connect multiple cloud accounts
- Access and share documents
- Upload photos and videos
- Offline file access
- AI Assistant
- End-to-end encryption
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Regain control over your data. The Nextcloud app for iOS brings your photos and files with you wherever you go! - Connect one or multiple accounts to your private or business cloud. - Access, work on and share documents wherever you are. - Upload your photos and videos to your Nextcloud to save space on your phone. - Browse photos and videos stored on your private cloud. - Choose files to keep available even when you're offline. - Additional features: - Nextcloud AI Assistant - Drag and drop between multiple Nextcloud Files windows on your iPad - Protect your account with a password or FaceID - Support for End to end encryption. New to Nextcloud? Nextcloud is a collaboration platform designed for private clouds. Host it yourself or with a company you trust and you gain a complete digital workplace with online office document collaboration, video calls and chat, email, calendar and project management, a local AI assistant and much more. See https://nextcloud.com/hub to find out what Nextcloud can do for you! For discussions and reporting issues please go to https://help.nextcloud.com/c/clients/ios
Möbius Sync
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.
- 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
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Möbius Sync brings Syncthing to your iPhone or iPad, allowing you to synchronize selected files between iOS devices and other devices supported by Syncthing, without the need for any cloud service. Supports multiple folders and multiple remote devices. Synchronized folders can be created either: 1. in the Möbius Sync sandbox and files can be added to and retrieved from shared folders via the iOS Files app; or 2. (PAID feature) by accessing other apps' sandboxes. This feature is EXPERIMENTAL and may break other app's functionality. Uses the open-source Syncthing engine internally. Usage within the Möbius Sync sandbox is free up to 20MB. Unlimited file sync, including files in other apps' sanboxes is available for a one-time purchase. NOTE: The functionality unlocked by in-app purchase is identical to that in Möbius Sync Pro (which is purchased up-front).
Screenshots
Verdict
The clearest difference is rating: Nextcloud at 4.7 against Möbius Sync's 3.8. Nextcloud also leads on in-app purchases (none vs 1) and update cadence (weekly vs every 2 months). Möbius Sync's advantage is iOS requirement (14.1 vs 17.0). On price, review sentiment, ads and device support 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
Both are free to download. Möbius Sync sells 1 one-off in-app purchase. Nextcloud asks for nothing beyond the download.
Nextcloud holds the better App Store score, 4.7 against 3.8. That said, the two scores are not equally well evidenced: Nextcloud has 10K ratings behind it against 140, so its average is the more settled of the two. Written reviews point the same way: 62% of Nextcloud's written reviews are positive against 55% of Möbius Sync's.
Nextcloud ships an update weekly, Möbius Sync every 2 months. The most recent releases landed on September 24, 2026 and September 20, 2026 respectively.
| Parameter | Nextcloud | Möbius Sync |
|---|---|---|
| Price | Free | Free |
| Rating | 4.7 (10K ratings) — better | 3.8 (140 ratings) |
| Positive reviews | 61.5% of reviews — better | 55.0% of reviews |
| Number of ratings | 10K — better | 140 |
| Update frequency | Weekly — better | Every 2 months |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Free with in-app purchases |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 17.0 | 14.1 — better |
| Further details — not scored | ||
| Size | 319 MB | 23 MB |
| Age rating | 4+ | 4+ |
| Developer | Nextcloud GmbH | Pickup Infinity Limited |
Customer experience
Nextcloud
Möbius Sync
User reviews
Nextcloud
From 10K App Store ratingsWhat we love
- 🚀 Fast and stable
- 🔒 Secure and private
- 👍 Great alternative to big cloud providers
- 👍 Useful for home/business use
- 👍 Integrates well with iOS
Room to improve
- 🐛 Buggy and crashes frequently
- 🔋 High battery consumption
- 👎 Unreliable file syncing and uploads
- 👎 Inconsistent performance and responsiveness
- 👎 Limited functionality compared to web version
Möbius Sync
From 140 App Store ratingsWhat we love
- ✅ 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
Room to improve
- 🐛 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
Bugs and requests
Nextcloud
Reported bugs
5 issues- Inability to open/edit text files
- Issues with password-protected folders
- Problems with HEIC file support
- Inconsistent video playback
- Crashes on launch after updates
Requested features
5 requests- Improved background photo/file sync
- Better integration with iOS Files app
- Support for more file types and document editing
- Customizable sorting and organization options
- Streamlined setup and configuration
Möbius Sync
Reported bugs
16 issues- 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
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- Settings reset after app updates
- External folder bookmark path cannot be changed
- .stfolder sync failures and naming conflicts
- Sync hangs at intermediate percentages
- Files not appearing in designated folders despite sync confirmation
- App crashes and becomes unresponsive
- Language preference not saved between sessions
- Syncthing disabled errors with no explanation
- Quick Sync feature not working reliably
- Accessibility issues with VoiceOver
- App storage consuming excessive disk space (10GB+)
Requested features
15 requests- 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
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- Widget for continuous background operation
- Photo library backup functionality
- Family sharing support for purchases
- Better UI/UX with custom frontend instead of web interface
- Automatic sync without manual app opening
- Support for untrusted devices
- Folder encryption support
- Location-based sync triggers
- More frequent Syncthing core updates
- Better documentation and setup guides
In-app purchases
Nextcloud
No in-app purchases
Möbius Sync
- Unlimited file sync$4.99
