# ARCO Zeus vs Royal Conversion Battery

The clearest difference is update cadence: ARCO Zeus at every 6 weeks against Royal Conversion Battery's every 12 months. Royal Conversion Battery's advantage is iOS requirement (12.0 vs 15.6). 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.

ARCO Zeus ships an update every 6 weeks, Royal Conversion Battery every 12 months. The most recent releases landed on August 5, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | ARCO Zeus | Royal Conversion Battery |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (6 ratings)](https://appshunter.io/ios/app/arco-zeus/id6446371700/reviews)** | — |
| Number of ratings | **6** | — |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 12 months |
| Monetization | Free | — |
| Size | 97 MB | 43 MB |
| Requires iOS | 15.6 | **12.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Dominic Policicchio](https://appshunter.io/developer/1710463382) | [Sterling Power](https://appshunter.io/developer/1639822244) |

## What reviewers say

### ARCO Zeus

[App page](https://appshunter.io/ios/app/arco-zeus/id6446371700)

Configure, control, and monitor your ARCO Smart Regulator. Customize charging profiles and safety limits for optimal system performance. Offers default profiles for quick setup or expert tuning.

**Highlights:** Configure ARCO Smart Regulator, Monitor system performance, Customize charging profiles, Set safety limits, Choose default battery profiles, Expert tuning assistance

**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 ARCO Zeus free?

ARCO Zeus 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 ARCO Zeus or Royal Conversion Battery have ads?

Neither ARCO Zeus nor Royal Conversion Battery shows ads.

### Which is updated more often, ARCO Zeus or Royal Conversion Battery?

ARCO Zeus ships an update every 6 weeks, and Royal Conversion Battery every 12 months. Most recently, ARCO Zeus was updated on August 5, 2026 and Royal Conversion Battery on September 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.*