# ARC2 vs ČEZ QUEEN Battery Box

The clearest difference is update cadence: ČEZ QUEEN Battery Box at every 2 weeks against ARC2's every 3 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.

ARC2 ships an update every 3 months, ČEZ QUEEN Battery Box every 2 weeks. The most recent releases landed on November 7, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | ARC2 | ČEZ QUEEN Battery Box |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 weeks** |
| Monetization | — | Free |
| Size | 85 MB | 21 MB |
| Requires iOS | **11.0** | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Rationis Development s.r.o.](https://appshunter.io/developer/1386629303) | [OIG Power s.r.o.](https://appshunter.io/developer/1757689829) |

## What reviewers say

### ARC2

[App page](https://appshunter.io/ios/app/arc2/id1594157128)

**Features:** macOS Compatibility

**In-app purchases:** none


### ČEZ QUEEN Battery Box

[App page](https://appshunter.io/ios/app/cez-queen-battery-box/id6550426731)

This application provides a clear interface for monitoring and managing data related to current production and distribution for hybrid BATTERY BOX 3F Queen systems. It is designed specifically for tablet use, offering comprehensive control over your energy system.

**Highlights:** Real-time production data display, Distribution data monitoring, System control capabilities, Hybrid battery system management, Clear interface for tablets

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is ARC2 free?

ARC2 is free to download, with no in-app purchases.

### Is ČEZ QUEEN Battery Box free?

ČEZ QUEEN Battery Box is free to download, with no in-app purchases.

### Do ARC2 or ČEZ QUEEN Battery Box have ads?

Neither ARC2 nor ČEZ QUEEN Battery Box shows ads.

### Which is updated more often, ARC2 or ČEZ QUEEN Battery Box?

ARC2 ships an update every 3 months, and ČEZ QUEEN Battery Box every 2 weeks. Most recently, ARC2 was updated on November 7, 2026 and ČEZ QUEEN Battery Box on October 30, 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.*