RhinoH vs GR Demo
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
RhinoH
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1. Remote control: control water valve from anywhere 2. Simultaneously control: control multiple devices with one App 3. Timer: set timer to perform multiple functions 4. Device sharing: One tap to share devices among family members 5. Easy connection: easily and quickly connect App to devices
GR Demo
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GR Demo是一款方便快捷的产品演示辅助工具，主要内容为多款简易的应用demo合集，可连接Gemred团队开发的多款产品并简单演示其无线连接、数据传输等核心功能，帮助相关人员更直观地讲解产品亮点。 GR Demo is a handy product demonstration auxiliary tool, and its main content is a collection of various simple application demos. GR Demo can connect to various products developed by the GemRed team and demonstrate their core functions such as wireless connection and data transmission, helping people explain product highlights intuitively.
Screenshots
Verdict
The clearest difference is iOS requirement: RhinoH at 13.0 against GR Demo's 15.0. On price, update cadence, ads and in-app purchases there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
RhinoH ships an update every 2 months, GR Demo every 6 weeks. Both last shipped on October 27, 2026.
| Parameter | RhinoH | GR Demo |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 2 months | Every 6 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 13.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 186 MB | 29 MB |
| Age rating | 4+ | 4+ |
| Developer | smarth technology limited | GemRed |
In-app purchases
RhinoH
No in-app purchases
GR Demo
No in-app purchases
