Möbius Sync

Möbius Sync

By Pickup Infinity

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.

Overview · Full Intel report in progress

The App DNA

What makes this app unique?

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

What does it look like?

Key features

Cloud-Free Synchronizationstandard

Uses the open-source Syncthing engine to sync files directly between devices without relying on third-party cloud services.

Sandbox File Managementstandard

Manages files within the Möbius Sync sandbox, with integration for the iOS Files app for easy retrieval and addition.

Cross-App Accessstandard

An experimental paid feature that allows the app to access and synchronize files located within other applications' sandboxes.

Multi-Device Supportstandard

Supports the configuration of multiple remote devices and multiple synchronized folders simultaneously.

How much does it cost?

freemium

Velocity

Dormant developmentShow more...

5 versions in history. Development pace: zombie.

See all version history

Who built it?

Pickup Infinity

4 apps tracked · Productivity

Möbius Sync ProMöbius Sync ProHeckle Live StreamingHeckle Live StreamingTWiTfinityTWiTfinity
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User Sentiment

What do users think recently?

How are ratings & reviews evolving?

App Store
3.81 · 135

Not enough recent reviews to extract reliable themes yet.

Read the full review analysis

Competition

Competitive landscape for Möbius Sync

How's the Productivity market?

The rivals identified

The Analyst's Read

Key takeaways for Möbius Sync

Where is it heading?

Bottom line

While the app provides a valuable, subscription-free solution for decentralized sync, users report potential compatibility issues with newer Syncthing protocol versions.

Report last updated

Disclosure: Independent intel to help mobile builders succeed.

AI-powered analysis with automated quality gates, built from publicly available sources. Marlvel.ai is not affiliated with, endorsed by, or sponsored by Möbius Sync, its developer, the app publisher, Apple, or Google Play. All trademarks, logos, and screenshots referenced remain the property of their respective owners.

Cite this report

Marlvel.ai. “Möbius Sync Intelligence Report.” Updated Apr 19, 2026. https://marlvel.ai/apps/mobius-sync

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