# GD vs ServoControl

The clearest difference is iOS requirement: GD at 9.0 against ServoControl's 12.0. 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.

## The numbers

| Metric | GD | ServoControl |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | — |
| Size | 121 MB | 1 MB |
| Requires iOS | **9.0** | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [星星 艾](https://appshunter.io/developer/985866002) | [Shenzhen Hiwonder Technology Co.,Ltd](https://appshunter.io/developer/1090806812) |

## What reviewers say

### GD

[App page](https://appshunter.io/ios/app/gd-42/id1579610644)

**Features:** macOS Compatibility

**In-app purchases:** none


### ServoControl

[App page](https://appshunter.io/ios/app/servocontrol/id6473884994)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is GD free?

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

### Is ServoControl free?

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

### Do GD or ServoControl have ads?

Neither GD nor ServoControl shows ads.

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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.*