# Möbius Sync vs DigitalERV

The clearest difference is in-app purchases: DigitalERV at none against Möbius Sync's 1. Möbius Sync's advantage is device support. On price and iOS requirement there is nothing between them.

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

## The numbers

| Metric | Möbius Sync | DigitalERV |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.8 (141 ratings)](https://appshunter.io/ios/app/mobius-sync/id1539203216/reviews)** | — |
| Number of ratings | **141** | — |
| Positive reviews | 54.3% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | — |
| Update frequency | Every 3 months | — |
| Monetization | Free with in-app purchases | — |
| Size | 28 MB | 3 MB |
| Requires iOS | 15.0 | **14.0** |
| Devices | **iPhone, iPad, iPod** | — |
| Age rating | 4+ | 17+ |
| Developer | [Pickup Infinity Limited](https://appshunter.io/developer/1118833408) | [Zoran Dzajkov](https://appshunter.io/developer/1538407801) |

## What reviewers say

### Möbius Sync

[App page](https://appshunter.io/ios/app/mobius-sync/id1539203216)

Sync files between your iOS devices and other Syncthing-compatible platforms without relying on cloud services. Access files within the app's sandbox or, with a paid upgrade, integrate with other apps' sandboxes and export photos.

**Highlights:** Peer-to-peer file synchronization, Syncthing engine integration, Sync with other Syncthing devices, Access files via iOS Files app, Paid access to other app sandboxes, Paid export of iOS Photo Library

**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- 🐛 Outdated internal Syncthing version (1.28 vs 2.x)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


### DigitalERV

[App page](https://appshunter.io/ios/app/digitalerv/id6760124311)

**In-app purchases:** none


## Frequently asked questions

### Is Möbius Sync free?

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

### Is DigitalERV free?

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

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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.*