# Royal Conversion Battery vs NanoBattery

The clearest difference is iOS requirement: Royal Conversion Battery at 12.0 against NanoBattery's 17.6. 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 | Royal Conversion Battery | NanoBattery |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 12 months | — |
| Size | 43 MB | 16 MB |
| Requires iOS | **12.0** | 17.6 |
| Devices | iPhone, iPod | **iPhone, iPad, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Sterling Power](https://appshunter.io/developer/1639822244) | [Giovanni Outerleys](https://appshunter.io/developer/1557846953) |

## What reviewers say

### Royal Conversion Battery

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

**Features:** macOS Compatibility

**In-app purchases:** none


### NanoBattery

[App page](https://appshunter.io/ios/app/nanobattery/id6756941302)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Royal Conversion Battery free?

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

### Is NanoBattery free?

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

### Do Royal Conversion Battery or NanoBattery have ads?

Neither Royal Conversion Battery nor NanoBattery 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.*