---
title: "Auth Sync: Safe & Secure 2FA — App Overview"
url: https://marlvel.ai/apps/auth-sync-safe-secure-2fa
category: Utilities
developer: DREAMER NETWORK CO., LTD
platforms: ios
rating: N/A (0 ratings)
pricing: free
report_level: overview
generated: 2026-05-10
last_verified: "2026-05-10T03:02:27.974Z"
---

<!-- SECTION: Key Insight -->
> **Key Insight:** Auth Sync prioritizes user privacy by ensuring that TOTP vault encryption keys never leave the local device, even when cloud synchronization is enabled.

<!-- SECTION: Quick Facts -->
| Metric | Value |
|--------|-------|
| Category | Utilities |
| Rating | N/A ★ (0) |
| Pricing | free |
| Platforms | iOS |
| Latest Version (iOS) | 1.1.0 |
| Developer | DREAMER NETWORK CO., LTD |

<!-- SECTION: Summary -->
## What is Auth Sync: Safe & Secure 2FA?

Auth Sync is a privacy-focused TOTP authenticator that enables offline code generation with optional end-to-end encrypted cloud synchronization. It distinguishes itself through a zero-knowledge architecture where encryption keys remain exclusively on the user's device.

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

- **E2EE Cloud Sync**: Provides on-demand, end-to-end encrypted synchronization across devices with zero-knowledge backend storage.
- **Flexible TOTP Support**: Supports QR scanning and manual entry for 6/8 digit codes using SHA1, SHA256, or SHA512 algorithms.
- **Vault Management**: Includes organizational tools such as folders, tagging, and search functionality to manage multiple accounts.
- **Utility Suite**: Bundles additional tools including a password generator, temporary email service, and Base64 encoding/decoding.

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

Privacy-conscious users seeking a secure, cross-device solution for managing two-factor authentication tokens.

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

- [App Store](https://apps.apple.com/us/app/auth-sync-safe-secure-2fa/id6751329938?uo=4)
- [Full Intelligence Report](https://marlvel.ai/apps/auth-sync-safe-secure-2fa)

---
*This is an overview report. Sentiment analysis, competitive landscape, and SWOT analysis are available in the [full intelligence report](https://marlvel.ai/apps/auth-sync-safe-secure-2fa).*
*Generated by [Marlvel.ai](https://marlvel.ai) — Independent app intelligence.*