# GJS GEIO vs Strom Master

The clearest difference is update cadence: GJS GEIO at every 3 weeks against Strom Master's every 56 months. GJS GEIO also leads on iOS requirement (9.0 vs 11.0). On price, ads, in-app purchases and device support there is nothing between them.

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

GJS GEIO ships an update every 3 weeks, Strom Master every 56 months. The most recent releases landed on October 6, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | GJS GEIO | Strom Master |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (8 ratings)](https://appshunter.io/ios/app/gjs-geio/id1291673794/reviews)** | — |
| Number of ratings | **8** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 56 months |
| Monetization | Free | — |
| Size | 303 MB | 20 MB |
| Requires iOS | **9.0** | 11.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 9+ | 4+ |
| Developer | [Shenzhen GJS Technology Co., Ltd.](https://appshunter.io/developer/689730956) | [少坤 陈](https://appshunter.io/developer/1492227021) |

## What reviewers say

### GJS GEIO

[App page](https://appshunter.io/ios/app/gjs-geio/id1291673794)

Control and connect a new generation of competitive robots. This app allows you to maneuver your robot, manage its settings, and explore various gameplay modes. Engage in exciting robot-vs-robot competitions.

**Highlights:** Robot connection and setup, Remote robot movement control, Multiple gameplay modes, Competitive robot battles, Device settings management

**Features:** macOS Compatibility

**In-app purchases:** none


### Strom Master

[App page](https://appshunter.io/ios/app/strom-master/id1533764225)

**In-app purchases:** none


## Frequently asked questions

### Is GJS GEIO free?

GJS GEIO is free to download, with no in-app purchases.

### Is Strom Master free?

Strom Master is free to download, with no in-app purchases.

### Do GJS GEIO or Strom Master have ads?

Neither GJS GEIO nor Strom Master shows ads.

### Which is updated more often, GJS GEIO or Strom Master?

GJS GEIO ships an update every 3 weeks, and Strom Master every 56 months. Most recently, GJS GEIO was updated on October 6, 2026 and Strom Master on October 12, 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.*