# RF vs Holyiot

The clearest difference is update cadence: RF at every 5 months against Holyiot's every 24 months. RF also leads on iOS requirement (9.0 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.

RF ships an update every 5 months, Holyiot every 24 months. The most recent releases landed on December 3, 2025 and May 13, 2026 respectively.

## The numbers

| Metric | RF | Holyiot |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 months** | Every 24 months |
| Size | 42 MB | 16 MB |
| Requires iOS | **9.0** | 12.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Shenzhen RF-star Technology Co., Ltd](https://appshunter.io/developer/1513126062) | [Shenzhen Hong yi yun jia technology Co.,LTD](https://appshunter.io/developer/1188616341) |

## What reviewers say

### RF

[App page](https://appshunter.io/ios/app/rf/id1619469472)

**Features:** macOS Compatibility

**In-app purchases:** none


### Holyiot

[App page](https://appshunter.io/ios/app/holyiot-dfu/id6445978221)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is RF free?

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

### Is Holyiot free?

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

### Do RF or Holyiot have ads?

Neither RF nor Holyiot shows ads.

### Which is updated more often, RF or Holyiot?

RF ships an update every 5 months, and Holyiot every 24 months. Most recently, RF was updated on December 3, 2025 and Holyiot on May 13, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*