# OCS专家 vs Radar Sensor

The clearest difference is update cadence: OCS专家 at every 3 weeks against Radar Sensor's every 2 months. OCS专家 also leads on iOS requirement (9.0 vs 13.0). 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.

OCS专家 ships an update every 3 weeks, Radar Sensor every 2 months. The most recent releases landed on October 6, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | OCS专家 | Radar Sensor |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 2 months |
| Size | 7 MB | 67 MB |
| Requires iOS | **9.0** | 13.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Hangzhou Reformer Holding Co., Ltd.](https://appshunter.io/developer/794153220) | [正亮 黄](https://appshunter.io/developer/6780918447) |

## What reviewers say

### OCS专家

[App page](https://appshunter.io/ios/app/ocs/id1476005795)

**Features:** macOS Compatibility

**In-app purchases:** none


### Radar Sensor

[App page](https://appshunter.io/ios/app/radar-sensor/id6780945082)

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

**In-app purchases:** none


## Frequently asked questions

### Is OCS专家 free?

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

### Is Radar Sensor free?

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

### Do OCS专家 or Radar Sensor have ads?

Neither OCS专家 nor Radar Sensor shows ads.

### Which is updated more often, OCS专家 or Radar Sensor?

OCS专家 ships an update every 3 weeks, and Radar Sensor every 2 months. Most recently, OCS专家 was updated on October 6, 2026 and Radar Sensor on October 1, 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.*