# Smart Battery Connection vs Royal Conversion Battery

The clearest difference is update cadence: Smart Battery Connection at every 4 months against Royal Conversion Battery's every 12 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, Royal Conversion Battery every 12 months. The most recent releases landed on September 28, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Smart Battery Connection | Royal Conversion Battery |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 months** | Every 12 months |
| Size | 28 MB | 43 MB |
| Requires iOS | **11.0** | 12.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [应刚 郑](https://appshunter.io/developer/1446858821) | [Sterling Power](https://appshunter.io/developer/1639822244) |

## What reviewers say

### Smart Battery Connection

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

**Features:** macOS Compatibility

**In-app purchases:** none


### Royal Conversion Battery

[App page](https://appshunter.io/ios/app/royal-conversion-battery/id6740916550)

**Features:** macOS Compatibility

**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 Royal Conversion Battery free?

Royal Conversion Battery is free to download, with no in-app purchases.

### Do Smart Battery Connection or Royal Conversion Battery have ads?

Neither Smart Battery Connection nor Royal Conversion Battery shows ads.

### Which is updated more often, Smart Battery Connection or Royal Conversion Battery?

Smart Battery Connection ships an update every 4 months, and Royal Conversion Battery every 12 months. Most recently, Smart Battery Connection was updated on September 28, 2026 and Royal Conversion Battery on October 10, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*