# iSAS Linkwell vs Flash Charge HK

The clearest difference is device support: Flash Charge HK at 2 against iSAS Linkwell's —. iSAS Linkwell's advantage is iOS requirement (10.2 vs 14.0). On price 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.

## The numbers

| Metric | iSAS Linkwell | Flash Charge HK |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | — | No |
| Update frequency | — | Every 2 months |
| Size | 4 MB | 90 MB |
| Requires iOS | **10.2** | 14.0 |
| Devices | — | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Linkwell Technology Develop Company](https://appshunter.io/developer/1329427322) | [LHC New Energy Company Limited](https://appshunter.io/developer/1567326674) |

## What reviewers say

### iSAS Linkwell

[App page](https://appshunter.io/ios/app/isas-linkwell/id1329427323)

**In-app purchases:** none


### Flash Charge HK

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

**In-app purchases:** none


## Frequently asked questions

### Is iSAS Linkwell free?

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

### Is Flash Charge HK free?

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

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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.*