# SOL Smart vs YosLock

The clearest difference is iOS requirement: SOL Smart at 9.0 against YosLock's 15.6. 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.

SOL Smart ships an update every 3 weeks, YosLock fortnightly. The most recent releases landed on September 28, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | SOL Smart | YosLock |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Fortnightly** |
| Size | 42 MB | 167 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


### YosLock

[App page](https://appshunter.io/ios/app/yoslock/id1610736860)

**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 YosLock free?

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

### Do SOL Smart or YosLock have ads?

Neither SOL Smart nor YosLock shows ads.

### Which is updated more often, SOL Smart or YosLock?

SOL Smart ships an update every 3 weeks, and YosLock fortnightly. Most recently, SOL Smart was updated on September 28, 2026 and YosLock on October 6, 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.*