# Join-System — Jetec Join System

> Jetec Join System (iPhone/iPad app by JETEC ELECTRONIC CO., LTD..)

- Source: https://appshunter.io/ios/app/join/id1539826228 (this page in markdown: same URL + `.md`)
- Developer: [JETEC ELECTRONIC CO., LTD.](https://appshunter.io/developer/1441521339)
- Category: Utilities
- Price: Free
- Age rating: 4+
- Requires: iOS 12.0 · 49 MB
- Languages: American English, Chinese (Simplified, China), Chinese (Traditional, Taiwan)
- Released: 2020-11-12
- Data updated: 2026-03-11
- User reviews in markdown: https://appshunter.io/ios/app/join/id1539826228/reviews.md

## What is Join?

Join-System allows you to use the APP to observe the environmental variables of the place you specify

You can use Join-Cloud so that you can see your environmental data through the Internet wherever you are
You can observe the environmental variables around you in a safe way through Join-LAN
We even provide remote control function, allowing you to remotely control the relays on the device
For such a powerful system, please contact Jade Electronics. We will serve you wholeheartedly!


## Version history (last 5 releases)

### 1.6.1 — 2026-03-10

New Function:
 1. support new device

### 1.6.0 — 2025-08-21

New Function:
 1. support new device

### 1.5.3 — 2023-08-31

New Function:
 1. support customize unit

### 1.5.2 — 2023-07-04

Fix Bugs:
 1. fix connection speed problem

### 1.5.1 — 2023-04-06

New Function:
 1. add selection in relay timer function

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| [Pf Fidelity](https://appshunter.io/ios/app/pf-fidelity/id1434839440) | — | Free | Utilities |
| [Omni Relprev](https://appshunter.io/ios/app/omni-relprev/id1434690340) | — | Free | Utilities |
| [MISD Tip](https://appshunter.io/ios/app/misd-tip/id1440174120) | — | Free | Utilities |

## More apps by JETEC ELECTRONIC CO., LTD.

- [Jetec Remote](https://appshunter.io/ios/app/jetec-remote/id1441521340)
- [Jetec Monitor](https://appshunter.io/ios/app/jetec-monitor/id1462371265)

All apps by JETEC ELECTRONIC CO., LTD.: https://appshunter.io/developer/1441521339

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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 2026-03-11.*