# SmartLPKey vs 伦敦地铁

The clearest difference is in-app purchases: SmartLPKey at none against 伦敦地铁's 1. SmartLPKey also leads on update cadence (every 5 weeks vs every 3 months) and iOS requirement (12.0 vs 15.6). On price, ads and device support there is nothing between them.

Both are free to download. 伦敦地铁 sells 1 in-app purchase, starting at $1.99 per 7 days. SmartLPKey asks for nothing beyond the download.

SmartLPKey ships an update every 5 weeks, 伦敦地铁 every 3 months. The most recent releases landed on October 8, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | SmartLPKey | 伦敦地铁 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 5 weeks** | Every 3 months |
| Size | 31 MB | 29 MB |
| Requires iOS | **12.0** | 15.6 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [跃飞 卢](https://appshunter.io/developer/1112805133) | [燕燕 林](https://appshunter.io/developer/1675436596) |

## What reviewers say

### SmartLPKey

[App page](https://appshunter.io/ios/app/smartlpkey/id1523813687)

**Features:** Vision Pro support

**In-app purchases:** none


### 伦敦地铁

[App page](https://appshunter.io/ios/app/id6754589367)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 伦敦地铁尊贵会员 | $1.99 | per 7 days |


## Frequently asked questions

### Is SmartLPKey free?

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

### Is 伦敦地铁 free?

伦敦地铁 is free to download, with in-app purchases available.

### Do SmartLPKey or 伦敦地铁 have ads?

Neither SmartLPKey nor 伦敦地铁 shows ads.

### Which is updated more often, SmartLPKey or 伦敦地铁?

SmartLPKey ships an update every 5 weeks, and 伦敦地铁 every 3 months. Most recently, SmartLPKey was updated on October 8, 2026 and 伦敦地铁 on October 17, 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.*