# KeePassium (KeePass passwords) vs Möbius Sync

The clearest difference is rating: KeePassium (KeePass passwords) at 4.7 against Möbius Sync's 3.8. KeePassium (KeePass passwords) also leads on review sentiment (80% vs 55%) and ratings volume (1.4K vs 140). Möbius Sync's advantage is iOS requirement (14.1 vs 17.0). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. KeePassium (KeePass passwords) sells 9 in-app purchases, starting at $1.99 per month and Möbius Sync sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

KeePassium (KeePass passwords) holds the better App Store score, 4.7 against 3.8. That said, the two scores are not equally well evidenced: KeePassium (KeePass passwords) has 1.4K ratings behind it against 140, so its average is the more settled of the two. Written reviews point the same way: 80% of KeePassium (KeePass passwords)'s written reviews are positive against 55% of Möbius Sync's.

KeePassium (KeePass passwords) ships an update monthly, Möbius Sync every 2 months. The most recent releases landed on September 27, 2026 and September 25, 2026 respectively.

## The numbers

| Metric | KeePassium (KeePass passwords) | Möbius Sync |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (1.4K ratings)](https://appshunter.io/ios/app/keepassium-keepass-passwords/id1435127111/reviews)** | [3.8 (140 ratings)](https://appshunter.io/ios/app/mobius-sync/id1539203216/reviews) |
| Number of ratings | **1.4K** | 140 |
| Positive reviews | **79.9% of reviews** | 55.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Monthly** | Every 2 months |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 26 MB | 23 MB |
| Requires iOS | 17.0 | **14.1** |
| Devices | iPhone, iPad, Mac | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [KeePassium Labs](https://appshunter.io/developer/1352150144) | [Pickup Infinity Limited](https://appshunter.io/developer/1118833408) |

## What reviewers say

### KeePassium (KeePass passwords)

[App page](https://appshunter.io/ios/app/keepassium-keepass-passwords/id1435127111)

This open-source password manager prioritizes user privacy and data control. It offers secure offline storage, biometric authentication, and seamless autofill for apps and websites. Advanced features like YubiKey support and password leak audits are available with a premium license.

**Highlights:** Offline password storage, Biometric authentication (Face ID/Touch ID), Password AutoFill, KeePass/KeePassXC compatibility, Optional cloud sync, YubiKey support (Premium), Password leak audit (Premium)

**Features:** Family Sharing, Vision Pro support

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium | $1.99 | per month |
| Premium | $19.99 | per year |
| Donation | $3.00 | one-time |
| Donation | $5.00 | one-time |
| Donation | $10.00 | one-time |
| KeePassium 1.44 Premium | $19.99 | one-time |
| KeePassium 1.51 Premium | $29.99 | one-time |
| Version 2.5 Premium (iOS+Mac) | $29.99 | one-time |
| Version 2.3 Premium (iOS+Mac) | $29.99 | one-time |

**What reviewers like**

- 🚀 Fast and efficient
- 🔒 Secure and private
- 👍 Clean and intuitive UI
- 👍 Seamless cloud sync
- 👍 Excellent integration with iOS features

**What reviewers complain about**

- 🐛 Occasional sync and connectivity issues
- 🐛 Unreliable autofill functionality
- 🔒 Concerns about data privacy and security

**Reported bugs**

- Database file not found errors
- Crashes and freezes on certain operations
- Inconsistent behavior when switching between devices

**Requested features**

- Support for more cloud storage providers
- Advanced password management features (tags, expiration, etc.)
- Improved organization and search capabilities
- Biometric unlock options for non-Face ID devices


### 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


## Frequently asked questions

### Is KeePassium (KeePass passwords) free?

KeePassium (KeePass passwords) is free to download, with in-app purchases available.

### Is Möbius Sync free?

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

### Which has better reviews, KeePassium (KeePass passwords) or Möbius Sync?

KeePassium (KeePass passwords) is rated higher. KeePassium (KeePass passwords) averages 4.7 out of 5 from 1.4K ratings, while Möbius Sync averages 3.8 from 140 ratings.

### Do KeePassium (KeePass passwords) or Möbius Sync have ads?

Neither KeePassium (KeePass passwords) nor Möbius Sync shows ads.

### Which is updated more often, KeePassium (KeePass passwords) or Möbius Sync?

KeePassium (KeePass passwords) ships an update monthly, and Möbius Sync every 2 months. Most recently, KeePassium (KeePass passwords) was updated on September 27, 2026 and Möbius Sync on September 25, 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.*