--- title: "LLS 4000 — App Overview" url: https://marlvel.ai/intel-report/utilities/lls-4000 category: Utilities developer: Danfoss A/S platforms: ios rating: N/A (0 ratings) pricing: free report_level: overview generated: 2026-05-09 last_verified: "2026-05-09T11:30:53.681Z" --- > **Key Insight:** This utility app serves as the primary interface for configuring and monitoring Danfoss liquid level switches directly from a smartphone. | Metric | Value | |--------|-------| | Category | Utilities | | Rating | N/A ★ (0) | | Pricing | free | | Platforms | iOS | | Latest Version (iOS) | 2.1.4 | | Developer | Danfoss A/S | ## What is LLS 4000? The LLS 4000 app by Danfoss provides remote commissioning, setup, and monitoring for LLS 4000 and 4000U liquid level switches via Bluetooth. It streamlines maintenance for contractors and system owners by offering dedicated service and monitoring modes. ## Key Features - **Bluetooth Connectivity**: Enables remote pairing and wireless communication with LLS 4000/4000U hardware. - **Device Configuration**: Allows selection of media types and switch functions (NO/NC) for non-SIL2 variants. - **Performance Monitoring**: Provides real-time visibility into device temperature and frequency data. - **Dual Operation Modes**: Features specific modes for streamlined commissioning by contractors and ongoing monitoring by system owners. ## Who is it for? Contractors and system owners managing Danfoss LLS 4000/4000U liquid level switches. ## Links - [App Store](https://apps.apple.com/us/app/lls-4000/id1503467195?uo=4) - [Full Intelligence Report](https://marlvel.ai/intel-report/utilities/lls-4000) --- *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/lls-4000).* *Generated by [Marlvel.ai](https://marlvel.ai) — Independent app intelligence.*