# GRTech Beacon 4.0/5.0 NTRIP vs ESView S9

The clearest difference is iOS requirement: ESView S9 at 13.0 against GRTech Beacon 4.0/5.0 NTRIP's 15.6. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

GRTech Beacon 4.0/5.0 NTRIP ships an update every 9 months, ESView S9 every 11 months. The most recent releases landed on September 29, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | GRTech Beacon 4.0/5.0 NTRIP | ESView S9 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/grtech-beacon-4050-ntrip/id1554035818/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | — | 25.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 9 months** | Every 11 months |
| Monetization | Free | Free |
| Size | 5 MB | 24 MB |
| Requires iOS | 15.6 | **13.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Glacial Ridge Technologies](https://appshunter.io/developer/1023201605) | [(주)이에스브이](https://appshunter.io/developer/1148482049) |

## What reviewers say

### GRTech Beacon 4.0/5.0 NTRIP

[App page](https://appshunter.io/ios/app/grtech-beacon-4050-ntrip/id1554035818)

This client app provides RTK corrections to compatible GPS receivers. It is designed for exclusive use with GRTech Beacon 4.0/5.0 devices. Be aware that continuous GPS use in the background can significantly impact battery life.

**Highlights:** RTK correction delivery, Compatible with GRTech Beacon 4.0/5.0, Background GPS usage management, Designed for GPS receivers

**In-app purchases:** none


### ESView S9

[App page](https://appshunter.io/ios/app/esview-s9/id1602164035)

This application allows you to view real-time recorded video from a connected black box via Wi-Fi. You can also watch, download, and configure various settings for the device, including camera and recording parameters.

**Highlights:** Real-time live view, Watch and download recorded videos, Configure camera settings, Adjust recording parameters, Manage ADAS settings, Control Wi-Fi settings

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is GRTech Beacon 4.0/5.0 NTRIP free?

GRTech Beacon 4.0/5.0 NTRIP is free to download, with no in-app purchases.

### Is ESView S9 free?

ESView S9 is free to download, with no in-app purchases.

### Do GRTech Beacon 4.0/5.0 NTRIP or ESView S9 have ads?

Neither GRTech Beacon 4.0/5.0 NTRIP nor ESView S9 shows ads.

### Which is updated more often, GRTech Beacon 4.0/5.0 NTRIP or ESView S9?

GRTech Beacon 4.0/5.0 NTRIP ships an update every 9 months, and ESView S9 every 11 months. Most recently, GRTech Beacon 4.0/5.0 NTRIP was updated on September 29, 2026 and ESView S9 on October 6, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*