# Smart Tanks vs Change Focus

The clearest difference is iOS requirement: Smart Tanks at 11.0 against Change Focus's 14.0. 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.

## The numbers

| Metric | Smart Tanks | Change Focus |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Weekly | — |
| Size | 31 MB | 10 MB |
| Requires iOS | **11.0** | 14.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Thincke Electronic Technology Co., Ltd.](https://appshunter.io/developer/1681561680) | [HAN WEI WANG](https://appshunter.io/developer/928406183) |

## What reviewers say

### Smart Tanks

[App page](https://appshunter.io/ios/app/smart-tanks/id6447514592)

**Features:** macOS Compatibility

**In-app purchases:** none


### Change Focus

[App page](https://appshunter.io/ios/app/change-focus/id6472134168)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Smart Tanks free?

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

### Is Change Focus free?

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

### Do Smart Tanks or Change Focus have ads?

Neither Smart Tanks nor Change Focus shows ads.

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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.*