---
title: "Tofu Authenticator — App Overview"
url: https://marlvel.ai/intel-report/utilities/tofu-authenticator
category: Utilities
developer: Calle Luks
platforms: ios
rating: 4.6 (100 ratings)
pricing: free
report_level: overview
generated: 2026-04-21
---

<!-- SECTION: Key Insight -->
> **Key Insight:** Tofu Authenticator is a lightweight, open-source security utility that provides offline 2FA management with a focus on local data privacy.

<!-- SECTION: Quick Facts -->
| Metric | Value |
|--------|-------|
| Category | Utilities |
| Rating | 4.6 ★ (100) |
| Pricing | free |
| Platforms | iOS |
| Latest Version (iOS) | 1.11 |
| Developer | Calle Luks |

<!-- SECTION: Summary -->
## What is Tofu Authenticator?

Tofu Authenticator is an open-source iOS utility that generates time-based (TOTP) and counter-based (HOTP) one-time passwords for two-factor authentication. It prioritizes security by storing account data locally in the iOS keychain and functions entirely offline.

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

- **QR Code Integration**: Allows users to automatically add accounts by scanning QR codes provided by service issuers.
- **Algorithm Support**: Supports 6 or 8-digit passwords using SHA1, SHA256, and SHA512 algorithms.
- **Offline Functionality**: Operates without a network or cellular connection, enabling use in airplane mode.
- **Secure Storage**: Utilizes the iOS keychain to safely store all account details locally.

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

iOS users seeking a privacy-focused, offline-capable tool to manage two-factor authentication for online services.

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

- [App Store](https://apps.apple.com/us/app/tofu-authenticator/id1082229305?uo=4)
- [Full Intelligence Report](https://marlvel.ai/intel-report/utilities/tofu-authenticator)

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