# OCS专家 vs Barrier Gate Radar Assistant

The clearest difference is iOS requirement: OCS专家 at 9.0 against Barrier Gate Radar Assistant's 13.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on October 6, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | OCS专家 | Barrier Gate Radar Assistant |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Size | 7 MB | 66 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) | [跃 马](https://appshunter.io/developer/1896308551) |

## What reviewers say

### OCS专家

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

**Features:** macOS Compatibility

**In-app purchases:** none


### Barrier Gate Radar Assistant

[App page](https://appshunter.io/ios/app/barrier-gate-radar-assistant/id6767820421)

**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 Barrier Gate Radar Assistant free?

Barrier Gate Radar Assistant is free to download, with no in-app purchases.

### Do OCS专家 or Barrier Gate Radar Assistant have ads?

Neither OCS专家 nor Barrier Gate Radar Assistant shows ads.

### Which is updated more often, OCS专家 or Barrier Gate Radar Assistant?

OCS专家 ships an update every 3 weeks, and Barrier Gate Radar Assistant every 3 weeks. Most recently, OCS专家 was updated on October 6, 2026 and Barrier Gate Radar Assistant on October 11, 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.*