# Welrok — Welrok device control

> Welrok device control (iPhone/iPad app by Welrok.)

- Source: https://appshunter.io/ios/app/welrok/id6465989980 (this page in markdown: same URL + `.md`)
- Developer: [Welrok](https://appshunter.io/developer/1706514984)
- Category: Lifestyle, Utilities
- Price: Free
- Age rating: 4+
- Requires: iOS 13.0 · 52 MB
- Languages: American English, Czech, German (Germany), Polish, Romanian, Russian, Ukrainian
- Released: 2023-09-18
- Data updated: 2026-08-30
- User reviews in markdown: https://appshunter.io/ios/app/welrok/id6465989980/reviews.md

## What is Welrok?

Welrok is an application for convenient management of smart devices with servers located in Russia. It allows users to control:

Underfloor heating thermostats;
A master switch;
Voltage protection relays that safeguard against power surges and neutral wire failures.

The app supports both local network control without Internet access and remote control from anywhere in the world via servers located in Russia.

Underfloor Heating Control Features
Programmable heating schedules. Up to 16 temperature periods can be configured for each day, ensuring energy-efficient heating without compromising comfort.
Geofencing. Maximizes savings by automatically lowering the heating temperature when nobody is at home.
Detailed consumption statistics. The app provides electricity usage data in kWh and currency through clear and informative charts, helping optimize energy costs.
Temporary timer mode. Activates heating only for a specified period of time (available for Welrok oz/vz devices).
Emergency notifications. Inform users about abnormal situations and system events (available for Welrok oz/vz devices).

Complete temperature control with Welrok thermostats and the Welrok app helps reduce energy costs while maintaining comfort.

Voltage Relay Control Features
Visual voltage graphs. Monitor voltage levels and deviations beyond configured limits over a day, week, or month, making it easy to assess power network performance.
Event log with up to 300 records. Analyze voltage conditions and relay status to make informed adjustments to relay settings when necessary.
Emergency notifications. Receive alerts about relay status changes and Internet connectivity status, helping identify protection trips that may indicate electrical network issues.

Reliable monitoring and control with Welrok voltage relays and the Welrok app help protect connected equipment and improve electrical safety.

Master Switch Control Features
Remote load control. Turn off all sockets and lighting remotely through the app if you forgot to press the master switch when leaving home.
Switching activity log. Review switching events throughout the day to better organize and manage power shutdown routines.
Power restoration behavior settings. Configure device behavior after power is restored: Off, On, or Memory mode.
External button configuration. Adjust hold-delay settings and select the type of external button used.

Managing your home's electrical power with the Welrok master switch and app enhances fire safety and helps reduce energy consumption.


## Version history (last 5 releases)

### 2.2.4 — 2026-08-26

Fixes & Optimization: Improved iOS app performance and optimized backend integration. Account login and data exchange are now more reliable.

### 2.2.3 — 2026-07-04

Updated the authorization policy to comply with the latest regulatory requirements of the Russian Federation.

### 2.2.2 — 2026-07-03

Bug Fixes & Improvements: Fixed the load status display for the Welrok MS device when offline. Also resolved minor bugs to improve overall app stability and reliability.

### 2.2.1 — 2026-06-22

Bug Fixes & Improvements: Fixed minor bugs and optimized internal app processes. This improved overall stability and made device management even more reliable.

### 2.2.0 — 2026-06-11

New Device: Added support for the Welrok D2W voltage relay with remote configuration capabilities. This model supports force disconnecting the load, changing operating parameters, keeping an error log, and displaying grid voltage graphs.
   Stability Improvements: Updated internal app libraries. This improved overall stability and reduced screen loading times on iOS.

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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 2026-08-30.*