# 北斗在线 vs 畅行51

The clearest difference is update cadence: 北斗在线 at every 2 months against 畅行51's every 7 months. 北斗在线 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.

北斗在线 ships an update every 2 months, 畅行51 every 7 months. The most recent releases landed on September 10, 2026 and September 5, 2026 respectively.

## The numbers

| Metric | 北斗在线 | 畅行51 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 7 months |
| Size | 45 MB | 34 MB |
| Requires iOS | **9.0** | 12.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [龙钱 董](https://appshunter.io/developer/1441373183) | [涛 宋](https://appshunter.io/developer/1156329342) |

## What reviewers say

### 北斗在线

[App page](https://appshunter.io/ios/app/id629320875)

**In-app purchases:** none


### 畅行51

[App page](https://appshunter.io/ios/app/51/id1455955477)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 北斗在线 free?

北斗在线 is free to download, with no in-app purchases.

### Is 畅行51 free?

畅行51 is free to download, with no in-app purchases.

### Do 北斗在线 or 畅行51 have ads?

Neither 北斗在线 nor 畅行51 shows ads.

### Which is updated more often, 北斗在线 or 畅行51?

北斗在线 ships an update every 2 months, and 畅行51 every 7 months. Most recently, 北斗在线 was updated on September 10, 2026 and 畅行51 on September 5, 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.*