# Smart Battery Connection vs ThunDer Fast Charge

The clearest difference is update cadence: ThunDer Fast Charge at every 3 weeks against Smart Battery Connection's every 4 months. 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.

Smart Battery Connection ships an update every 4 months, ThunDer Fast Charge every 3 weeks. The most recent releases landed on September 28, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Smart Battery Connection | ThunDer Fast Charge |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 3 weeks** |
| Size | 28 MB | 19 MB |
| Requires iOS | **11.0** | 12.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [应刚 郑](https://appshunter.io/developer/1446858821) | [Dong Guan Zhengyang Electronic Mechanical Ltd](https://appshunter.io/developer/1311264915) |

## What reviewers say

### Smart Battery Connection

[App page](https://appshunter.io/ios/app/smart-battery-connection/id1594552262)

**Features:** macOS Compatibility

**In-app purchases:** none


### ThunDer Fast Charge

[App page](https://appshunter.io/ios/app/thunder-fast-charge/id6444782261)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Smart Battery Connection free?

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

### Is ThunDer Fast Charge free?

ThunDer Fast Charge is free to download, with no in-app purchases.

### Do Smart Battery Connection or ThunDer Fast Charge have ads?

Neither Smart Battery Connection nor ThunDer Fast Charge shows ads.

### Which is updated more often, Smart Battery Connection or ThunDer Fast Charge?

Smart Battery Connection ships an update every 4 months, and ThunDer Fast Charge every 3 weeks. Most recently, Smart Battery Connection was updated on September 28, 2026 and ThunDer Fast Charge on October 9, 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.*