# ČEZ Battery Box vs Dražice Solar

The clearest difference is update cadence: ČEZ Battery Box at every 3 weeks against Dražice Solar's every 3 months. ČEZ Battery Box also leads on iOS requirement (10.0 vs 12.0). 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.

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

## The numbers

| Metric | ČEZ Battery Box | Dražice Solar |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 4.3% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 3 months |
| Monetization | Free | — |
| Size | 22 MB | 355 MB |
| Requires iOS | **10.0** | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [OIG Power s.r.o.](https://appshunter.io/developer/1757689829) | [Druzstevni zavody Drazice - strojirna s.r.o.](https://appshunter.io/developer/1036169061) |

## What reviewers say

### ČEZ Battery Box

[App page](https://appshunter.io/ios/app/cez-battery-box/id1439729967)

Monitor and manage your home's electricity flow and savings. Control and track your electric car charging. Requires registration of your system on the online portal.

**Highlights:** Monitor electricity flow, Track energy savings, Control EV charging, View charging data, System registration

**Features:** macOS Compatibility

**In-app purchases:** none


### Dražice Solar

[App page](https://appshunter.io/ios/app/drazice-solar/id1622797391)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is ČEZ Battery Box free?

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

### Is Dražice Solar free?

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

### Do ČEZ Battery Box or Dražice Solar have ads?

Neither ČEZ Battery Box nor Dražice Solar shows ads.

### Which is updated more often, ČEZ Battery Box or Dražice Solar?

ČEZ Battery Box ships an update every 3 weeks, and Dražice Solar every 3 months. Most recently, ČEZ Battery Box was updated on November 2, 2026 and Dražice Solar on November 7, 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.*