# 北斗智慧工牌 vs OMA

The clearest difference is update cadence: 北斗智慧工牌 at every 3 weeks against OMA's every 19 months. 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.

北斗智慧工牌 ships an update every 3 weeks, OMA every 19 months. The most recent releases landed on October 25, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | 北斗智慧工牌 | OMA |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 19 months |
| Size | 31 MB | 11 MB |
| Requires iOS | 11.0 | **10.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Shanghai Rinlink Intelligent Technology Co., Ltd.](https://appshunter.io/developer/1483548815) | [Zhejiang Huaruijie Technology CO.,LTD](https://appshunter.io/developer/1547428239) |

## What reviewers say

### 北斗智慧工牌

[App page](https://appshunter.io/ios/app/id1586992174)

**Features:** macOS Compatibility

**In-app purchases:** none


### OMA

[App page](https://appshunter.io/ios/app/oma-web/id6444197960)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 北斗智慧工牌 free?

北斗智慧工牌 is free to download, with no in-app purchases.

### Is OMA free?

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

### Do 北斗智慧工牌 or OMA have ads?

Neither 北斗智慧工牌 nor OMA shows ads.

### Which is updated more often, 北斗智慧工牌 or OMA?

北斗智慧工牌 ships an update every 3 weeks, and OMA every 19 months. Most recently, 北斗智慧工牌 was updated on October 25, 2026 and OMA on October 27, 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.*