# KK vs 中铁商旅2.0

The clearest difference is iOS requirement: KK at 5.1.1 against 中铁商旅2.0's 12.0. 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.

KK ships an update every 5 weeks, 中铁商旅2.0 every 3 weeks. The most recent releases landed on May 16, 2026 and August 28, 2026 respectively.

## The numbers

| Metric | KK | 中铁商旅2.0 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Every 3 weeks** |
| Size | 20 MB | 80 MB |
| Requires iOS | **5.1.1** | 12.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [SHENZHENSHI LANDRAY SOFTWRE CO.,LTD](https://appshunter.io/developer/433362235) | [鲁班(北京)电子商务科技有限公司](https://appshunter.io/developer/1262983168) |

## What reviewers say

### KK

[App page](https://appshunter.io/ios/app/kk/id796834233)

**Features:** macOS Compatibility

**In-app purchases:** none


### 中铁商旅2.0

[App page](https://appshunter.io/ios/app/20/id1498587755)

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

**In-app purchases:** none


## Frequently asked questions

### Is KK free?

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

### Is 中铁商旅2.0 free?

中铁商旅2.0 is free to download, with no in-app purchases.

### Do KK or 中铁商旅2.0 have ads?

Neither KK nor 中铁商旅2.0 shows ads.

### Which is updated more often, KK or 中铁商旅2.0?

KK ships an update every 5 weeks, and 中铁商旅2.0 every 3 weeks. Most recently, KK was updated on May 16, 2026 and 中铁商旅2.0 on August 28, 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.*