# Flash Charge HK vs SmartTail

The clearest difference is iOS requirement: SmartTail at 12.0 against Flash Charge HK'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 | Flash Charge HK | SmartTail |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | — |
| Size | 90 MB | 34 MB |
| Requires iOS | 14.0 | **12.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [LHC New Energy Company Limited](https://appshunter.io/developer/1567326674) | [Chongqing Sheguo Culture Media Co.Ltd](https://appshunter.io/developer/1576293025) |

## What reviewers say

### Flash Charge HK

[App page](https://appshunter.io/ios/app/flash-charge-hk/id6748899216)

**In-app purchases:** none


### SmartTail

[App page](https://appshunter.io/ios/app/smarttail-iso/id6752684951)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Flash Charge HK free?

Flash Charge HK is free to download, with no in-app purchases.

### Is SmartTail free?

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

### Do Flash Charge HK or SmartTail have ads?

Neither Flash Charge HK nor SmartTail 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.*