# RangeController vs HD Ag

The clearest difference is update cadence: RangeController at every 2 weeks against HD Ag's every 2 months. RangeController also leads on iOS requirement (10.0 vs 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.

RangeController ships an update every 2 weeks, HD Ag every 2 months. The most recent releases landed on October 4, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | RangeController | HD Ag |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 2 months |
| Size | 18 MB | 131 MB |
| Requires iOS | **10.0** | 12.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [奎军 龚](https://appshunter.io/developer/1151249530) | [惠达科技](https://appshunter.io/developer/1538547903) |

## What reviewers say

### RangeController

[App page](https://appshunter.io/ios/app/rangecontroller/id1434644666)

**Features:** macOS Compatibility

**In-app purchases:** none


### HD Ag

[App page](https://appshunter.io/ios/app/hd-ag/id6478145755)

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

**In-app purchases:** none


## Frequently asked questions

### Is RangeController free?

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

### Is HD Ag free?

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

### Do RangeController or HD Ag have ads?

Neither RangeController nor HD Ag shows ads.

### Which is updated more often, RangeController or HD Ag?

RangeController ships an update every 2 weeks, and HD Ag every 2 months. Most recently, RangeController was updated on October 4, 2026 and HD Ag 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.*