# Green Tech vs RD Royal

The clearest difference is ads: Green Tech at none against RD Royal's shown. RD Royal's advantage is update cadence (every 5 days vs monthly). On price, in-app purchases, device support and iOS requirement there is nothing between them.

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

Green Tech ships an update monthly, RD Royal every 5 days. The most recent releases landed on September 24, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | Green Tech | RD Royal |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Monthly | **Every 5 days** |
| Size | 21 MB | 60 MB |
| Requires iOS | 13.0 | **12.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Nguyen Hai Nam](https://appshunter.io/developer/1773335503) | [Infinity Techonogy](https://appshunter.io/developer/1627633632) |

## What reviewers say

### Green Tech

[App page](https://appshunter.io/ios/app/green-tech/id6737282607)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### RD Royal

[App page](https://appshunter.io/ios/app/rd-royal/id6738382859)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Green Tech free?

Green Tech is free to download, with no in-app purchases.

### Is RD Royal free?

RD Royal is free to download, with no in-app purchases.

### Do Green Tech or RD Royal have ads?

RD Royal shows ads; Green Tech does not.

### Which is updated more often, Green Tech or RD Royal?

Green Tech ships an update monthly, and RD Royal every 5 days. Most recently, Green Tech was updated on September 24, 2026 and RD Royal on September 21, 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.*