# S100-4S

> S100-4S (iPhone/iPad app by GSIL Co., Ltd..)

- Source: https://appshunter.io/ios/app/s100-4s/id6466389109 (this page in markdown: same URL + `.md`)
- Developer: [GSIL Co., Ltd.](https://appshunter.io/developer/1269878774)
- Category: Education
- Price: Free
- Age rating: 4+
- Requires: iOS 12.0 · 65 MB
- Languages: English
- Released: 2023-10-12
- Data updated: 2026-05-17
- User reviews in markdown: https://appshunter.io/ios/app/s100-4s/id6466389109/reviews.md

## What is S100?

GSiL 4S is an IoT-integrated safety management platform 
designed for high-risk construction sites in oil & gas. It offers 
comprehensive oversight, from gate access to work permits, 
using real-time data from personal and monitoring devices. 
Feature include NFC-tagged equipment, location-based 
helmets, and AI surveillance. The system promotes swift risk 
detection, emergency management, and data-driven safety 
insights for the entire operation life cycle of sites.


## Version history (last 5 releases)

### 1.1.19 — 2025-03-28

fix logo, contents

### 1.1.18 — 2024-12-23

fix heat index

### 1.1.17 — 2024-09-27

add select box (feature: general type, risk type) in creating permit

### 1.1.15 — 2024-06-04

add condition worktileid and fix admin condition in entrymanagement

### 1.1.14 — 2024-05-23

fix entrymanagement in, out by manual

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## More apps by GSIL Co., Ltd.

- [에스키퍼](https://appshunter.io/ios/app/id1625613044)
- [4S GSCA FGIP](https://appshunter.io/ios/app/4s-gsca-fgip/id6742431873)
- [FGIP 4S RFID](https://appshunter.io/ios/app/fgip-4s-rfid/id6742431889)
- [스마트안전TBM](https://appshunter.io/ios/app/tbm/id6744890459)
- [SAF 4S](https://appshunter.io/ios/app/saf-4s/id6754555059)

All apps by GSIL Co., Ltd.: https://appshunter.io/developer/1269878774

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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 2026-05-17.*