# SystoLOCK Companion — Advanced MFA Authenticator

> Secure MFA authenticator and token generator for password-less logins. (iPhone/iPad app by Systola GmbH.)

- Source: https://appshunter.io/ios/app/systolock-companion/id1325046160 (this page in markdown: same URL + `.md`)
- Developer: [Systola GmbH](https://appshunter.io/developer/1325046159)
- Category: Business, Productivity
- Price: Free
- Rating: 5.00/5 from 1 App Store ratings
- Age rating: 4+
- Requires: iOS 15.0 · 178 MB
- Languages: English, French, German, Russian
- Released: 2017-12-18
- Data updated: 2026-07-01
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/systolock-companion/id1325046160/reviews.md

## What is SystoLOCK Companion?

SystoLOCK Companion is a state of the art, feature-packed, secure MFA Authenticator and token generator, built with ergonomic approach in mind.

When used with SystoLOCK Server, an advanced MFA solution for Microsoft Windows domains environments, SystoLOCK Companion ensures seamless, password-less and nearly type-less experience while logging into Windows machines or services. Being based on industrial standards, SystoLOCK Companion is also compatible with any device or service, generating or consuming OATH-based one-time passwords.

SystoLOCK features:
- QR code login
- Push notifications login
- Bluetooth Login
- Offline Login
- Single-touch login
- Biometric protection
- Network-aware flexible service discovery
- Intelligent 4-state account indicators
- Heuristic action analysis 
- Advanced elliptic curve cryptography
- Encrypted communication

OTP Features:
- OTP standards: time based (TOTP), event based (HOTP), challenge-response (OCRA)
- HMAC algorithms: SHA1, SHA256, SHA512
- Number of digits: 6 to 9
- Key lengths (bytes): 8 to 64

Advanced App Features:
- Encrypted database
- Passcode protection
- Screenshot prevention
- Universal QR code scanner
- Advanced secret key parser
- Colour and icon coded account disambiguation
- Advanced certificate management
- Secure account import and export
- Sortable account view
- Security log
- Dark scheme support

## Key features

- QR code login
- Push notification login
- Bluetooth login
- Offline login
- Biometric protection
- Encrypted database
- Screenshot prevention


## Frequently asked questions about SystoLOCK Companion

### What is SystoLOCK Companion used for?

SystoLOCK Companion is a secure multi-factor authentication (MFA) app that generates one-time passwords (OTPs) and facilitates password-less logins. It's designed to work seamlessly with SystoLOCK Server for Windows domain environments but is also compatible with any service using OATH-based OTPs.

### What types of OTPs does SystoLOCK Companion support?

SystoLOCK Companion supports time-based (TOTP), event-based (HOTP), and challenge-response (OCRA) OTP standards. It also offers flexibility in HMAC algorithms (SHA1, SHA256, SHA512) and the number of digits generated (6 to 9).

### How does SystoLOCK Companion enhance security?

Security is a core focus, with features like an encrypted database, passcode protection, and screenshot prevention. It also utilizes advanced elliptic curve cryptography and encrypted communication for robust data protection.

### Can I use SystoLOCK Companion offline?

Yes, SystoLOCK Companion offers an offline login feature, allowing you to generate OTPs even without an active internet connection. This ensures continuous access and authentication capabilities.

### What devices is SystoLOCK Companion compatible with?

SystoLOCK Companion is available for iPhone, iPad, and iPod devices. It is designed to provide a consistent and secure experience across Apple's mobile ecosystem.

### How often is SystoLOCK Companion updated?

The app was last updated on June 18, 2026, with version 2.6.2. While specific update frequency isn't detailed, this indicates ongoing development and maintenance by the developer, Systola GmbH.

### Is SystoLOCK Companion free to use?

Yes, SystoLOCK Companion is available for free. There are no in-app purchases or subscription fees associated with using its core authenticator and token generation features.

### Does SystoLOCK Companion have ads?

No, SystoLOCK Companion does not contain advertisements. The app is ad-free, ensuring an uninterrupted and secure user experience focused solely on authentication.

## Version history (last 5 releases)

### 2.6.2 — 2026-06-18

Smarter endpoint discovery, duplicate push suppression, real phone model names, more account colours, session-based OTP hiding, simplified domain field, relocated advanced account selection, leaner remote logging, red for destructive actions, a range of bug fixes.

### 2.6.1 — 2026-04-29

Corrected ActiveSync profile delivery.

### 2.5.14 — 2026-03-14

Enhanced offline OTP generation and names/domains display, password managers handling for PIN fields, selective remote logging and various bug fixes.

### 2.5.13 — 2026-02-02

Bug-Fixes.

### 2.5.12 — 2026-01-16

This is a purely bug-fix release. Enjoy the improved experience!

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-07-01.*