# Royal Conversion Battery vs Fortis Power

The clearest difference is update cadence: Fortis Power at every 5 days against Royal Conversion Battery's every 12 months. Royal Conversion Battery's advantage is iOS requirement (12.0 vs 15.1). 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.

Royal Conversion Battery ships an update every 12 months, Fortis Power every 5 days. Both last shipped on October 28, 2026.

## The numbers

| Metric | Royal Conversion Battery | Fortis Power |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 12 months | **Every 5 days** |
| Size | 43 MB | 68 MB |
| Requires iOS | **12.0** | 15.1 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Sterling Power](https://appshunter.io/developer/1639822244) | [Fortis Power](https://appshunter.io/developer/1846323062) |

## What reviewers say

### Royal Conversion Battery

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

**Features:** macOS Compatibility

**In-app purchases:** none


### Fortis Power

[App page](https://appshunter.io/ios/app/fortis-power/id6754024683)

**Features:** macOS Compatibility, Apple Wallet

**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 Fortis Power free?

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

### Do Royal Conversion Battery or Fortis Power have ads?

Neither Royal Conversion Battery nor Fortis Power shows ads.

### Which is updated more often, Royal Conversion Battery or Fortis Power?

Royal Conversion Battery ships an update every 12 months, and Fortis Power every 5 days. Most recently, Royal Conversion Battery was updated on October 28, 2026 and Fortis Power on October 28, 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.*