# Möbius Sync vs Wormhole File Transfer

The clearest difference is review sentiment: Wormhole File Transfer at 100% against Möbius Sync's 55%. Wormhole File Transfer also leads on in-app purchases (none vs 1) and rating (4.2 vs 3.8). Möbius Sync's advantage is ratings volume (140 vs 5). On price, update cadence, ads and device support there is nothing between them.

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

Wormhole File Transfer holds the better App Store score, 4.2 against 3.8. That said, the two scores are not equally well evidenced: Möbius Sync has 140 ratings behind it against 5, so its average is the more settled of the two. Written reviews point the same way: 55% of Möbius Sync's written reviews are positive against 100% of Wormhole File Transfer's.

Möbius Sync ships an update every 2 months, Wormhole File Transfer every 6 weeks. The most recent releases landed on October 21, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | Möbius Sync | Wormhole File Transfer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.8 (140 ratings)](https://appshunter.io/ios/app/mobius-sync/id1539203216/reviews) | **[4.2 (5 ratings)](https://appshunter.io/ios/app/wormhole-file-transfer/id6753897991/reviews)** |
| Number of ratings | **140** | 5 |
| Positive reviews | 55.0% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 6 weeks** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 23 MB | 34 MB |
| Requires iOS | 14.1 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Pickup Infinity Limited](https://appshunter.io/developer/1118833408) | [Emma Sabatschus](https://appshunter.io/developer/1845574860) |

## 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


### Wormhole File Transfer

[App page](https://appshunter.io/ios/app/wormhole-file-transfer/id6753897991)

Easily and securely share files of any size with anyone, anywhere. Generates QR codes or passphrases for simple access, utilizing end-to-end encryption for complete privacy. An open-source solution for effortless file transfers.

**Highlights:** Share files of any size, End-to-end encryption, QR code generation, Passphrase access, Open-source code, User-friendly interface

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Möbius Sync free?

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

### Is Wormhole File Transfer free?

Wormhole File Transfer is free to download, with no in-app purchases.

### Which has better reviews, Möbius Sync or Wormhole File Transfer?

Wormhole File Transfer is rated higher. Möbius Sync averages 3.8 out of 5 from 140 ratings, while Wormhole File Transfer averages 4.2 from 5 ratings.

### Do Möbius Sync or Wormhole File Transfer have ads?

Neither Möbius Sync nor Wormhole File Transfer shows ads.

### Which is updated more often, Möbius Sync or Wormhole File Transfer?

Möbius Sync ships an update every 2 months, and Wormhole File Transfer every 6 weeks. Most recently, Möbius Sync was updated on October 21, 2026 and Wormhole File Transfer on October 14, 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.*