# SOL Smart vs The Knightsbridge

The clearest difference is update cadence: SOL Smart at every 3 weeks against The Knightsbridge's every 9 months. SOL Smart also leads on iOS requirement (9.0 vs 15.6). 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.

SOL Smart ships an update every 3 weeks, The Knightsbridge every 9 months. The most recent releases landed on October 13, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | SOL Smart | The Knightsbridge |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 9 months |
| Size | 42 MB | 175 MB |
| Requires iOS | **9.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Kaian Intelligent Technology co., Ltd](https://appshunter.io/developer/897488071) | [linCogN Technology Co. Limited](https://appshunter.io/developer/710401279) |

## What reviewers say

### SOL Smart

[App page](https://appshunter.io/ios/app/sol-smart/id1107199597)

**Features:** macOS Compatibility

**In-app purchases:** none


### The Knightsbridge

[App page](https://appshunter.io/ios/app/the-knightsbridge/id6478154945)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is SOL Smart free?

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

### Is The Knightsbridge free?

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

### Do SOL Smart or The Knightsbridge have ads?

Neither SOL Smart nor The Knightsbridge shows ads.

### Which is updated more often, SOL Smart or The Knightsbridge?

SOL Smart ships an update every 3 weeks, and The Knightsbridge every 9 months. Most recently, SOL Smart was updated on October 13, 2026 and The Knightsbridge on October 3, 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.*