# 首都机场 vs B

The clearest difference is iOS requirement: B at 12.0 against 首都机场's 15.0. 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.

首都机场 ships an update monthly, B every 3 weeks. The most recent releases landed on September 10, 2026 and December 10, 2025 respectively.

## The numbers

| Metric | 首都机场 | B |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (2 ratings)](https://appshunter.io/ios/app/id1391456938/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Every 3 weeks** |
| Size | 43 MB | 34 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Beijing Capital International Airport Co.,Ltd.](https://appshunter.io/developer/487062081) | [无锡宝通智能物联科技有限公司](https://appshunter.io/developer/1576279743) |

## What reviewers say

### 首都机场

[App page](https://appshunter.io/ios/app/id1391456938)

**In-app purchases:** none


### B

[App page](https://appshunter.io/ios/app/b/id6677011773)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 首都机场 free?

首都机场 is free to download, with no in-app purchases.

### Is B free?

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

### Do 首都机场 or B have ads?

Neither 首都机场 nor B shows ads.

### Which is updated more often, 首都机场 or B?

首都机场 ships an update monthly, and B every 3 weeks. Most recently, 首都机场 was updated on September 10, 2026 and B on December 10, 2025.

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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.*