# RadMay vs 核辐射检测

The clearest difference is in-app purchases: RadMay at none against 核辐射检测's 1. 核辐射检测's advantage is update cadence (every 9 days vs every 2 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. 核辐射检测 sells 1 one-off in-app purchase. RadMay asks for nothing beyond the download.

RadMay ships an update every 2 months, 核辐射检测 every 9 days. The most recent releases landed on September 19, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | RadMay | 核辐射检测 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 9 days** |
| Size | 28 MB | 28 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Raycan Technology Co.,Ltd.(Suzhou)](https://appshunter.io/developer/1227153535) | [薇 吴](https://appshunter.io/developer/1655264256) |

## What reviewers say

### RadMay

[App page](https://appshunter.io/ios/app/radmay/id1227153536)

**Features:** macOS Compatibility

**In-app purchases:** none


### 核辐射检测

[App page](https://appshunter.io/ios/app/id6464470636)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 核辐射检测永久会员 | $2.99 | one-time |


## Frequently asked questions

### Is RadMay free?

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

### Is 核辐射检测 free?

核辐射检测 is free to download, with in-app purchases available.

### Do RadMay or 核辐射检测 have ads?

Neither RadMay nor 核辐射检测 shows ads.

### Which is updated more often, RadMay or 核辐射检测?

RadMay ships an update every 2 months, and 核辐射检测 every 9 days. Most recently, RadMay was updated on September 19, 2026 and 核辐射检测 on September 10, 2026.

---

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