# Open HEMS

> Open HEMS (iPhone/iPad app by ACE LoT Solutions LLC.)

- Source: https://appshunter.io/ios/app/open-hems/id1611414414 (this page in markdown: same URL + `.md`)
- Developer: [ACE LoT Solutions LLC](https://appshunter.io/developer/1611414416)
- Category: Utilities
- Price: Free
- Age rating: 4+
- Requires: iOS 12.0 · 22 MB
- Languages: English
- Released: 2022-04-14
- Data updated: 2026-05-19
- User reviews in markdown: https://appshunter.io/ios/app/open-hems/id1611414414/reviews.md

## What is Open HEMS?

Utility app enabling control the Open HEMS device. Control your thermostat, EV charger, water heater, home battery. Quickly visualize solar array power generation data.


## Version history (last 4 releases)

### 0.0.25 — 2022-07-18

Updated default endpoint for backend

### 0.0.22 — 2022-05-06

Bugfixes for UI, key management interface

### 0.0.19 — 2022-04-15

Bugfix for floating point display error on thermostat screen

### 0.0.18 — 2022-04-14

No release notes.

## More apps by ACE LoT Solutions LLC

- [Connecting MHA](https://appshunter.io/ios/app/connecting-mha/id6443819339)

All apps by ACE LoT Solutions LLC: https://appshunter.io/developer/1611414416

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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 2026-05-19.*