---
title: "Möbius Sync — App Overview"
url: https://marlvel.ai/intel-report/productivity/mobius-sync
category: Productivity
developer: Pickup Infinity Limited
platforms: ios
rating: 3.8 (135 ratings)
pricing: freemium
report_level: overview
generated: 2026-04-19
last_verified: "2026-04-19T15:42:04.128Z"
---

<!-- SECTION: Key Insight -->
> **Key Insight:** While the app provides a valuable, subscription-free solution for decentralized sync, users report potential compatibility issues with newer Syncthing protocol versions.

<!-- SECTION: Quick Facts -->
| Metric | Value |
|--------|-------|
| Category | Productivity |
| Rating | 3.8 ★ (135) |
| Pricing | freemium |
| Platforms | iOS |
| Latest Version (iOS) | 1.28.0 |
| Developer | Pickup Infinity Limited |

<!-- SECTION: Summary -->
## What is Möbius Sync?

Möbius Sync is an iOS implementation of the open-source Syncthing engine, enabling cloud-free file synchronization between iPhones, iPads, and other Syncthing-compatible devices. It offers a sandbox-based file management system with an optional experimental feature for cross-app sandbox access. The app is notable for its one-time purchase model, avoiding recurring subscription fees.

<!-- SECTION: Key Features -->
## Key Features

- **Cloud-Free Synchronization**: Uses the open-source Syncthing engine to sync files directly between devices without relying on third-party cloud services.
- **Sandbox File Management**: Manages files within the Möbius Sync sandbox, with integration for the iOS Files app for easy retrieval and addition.
- **Cross-App Access**: An experimental paid feature that allows the app to access and synchronize files located within other applications' sandboxes.
- **Multi-Device Support**: Supports the configuration of multiple remote devices and multiple synchronized folders simultaneously.

<!-- SECTION: Target Audience -->
## Who is it for?

Power users and privacy-conscious individuals who require decentralized, cloud-free file synchronization across multiple platforms.

<!-- SECTION: Links -->
## Links

- [App Store](https://apps.apple.com/us/app/m%C3%B6bius-sync/id1539203216?uo=4)
- [Full Intelligence Report](https://marlvel.ai/intel-report/productivity/mobius-sync)

---
*This is an overview report. Sentiment analysis, competitive landscape, and SWOT analysis are available in the [full intelligence report](https://marlvel.ai/intel-report/productivity/mobius-sync).*
*Generated by [Marlvel.ai](https://marlvel.ai) — Independent app intelligence.*