# BatteryBox vs Open When

The clearest difference is in-app purchases: BatteryBox at none against Open When's 3. BatteryBox also leads on iOS requirement (13.0 vs 18.2). On price, ads and device support there is nothing between them.

Both are free to download. Open When sells 3 in-app purchases, starting at $1.99 per month. BatteryBox asks for nothing beyond the download.

## The numbers

| Metric | BatteryBox | Open When |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 weeks | — |
| Size | 64 MB | 13 MB |
| Requires iOS | **13.0** | 18.2 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Partymaker s. r. o.](https://appshunter.io/developer/1690307669) | [Ricardo Hurla](https://appshunter.io/developer/1845708851) |

## What reviewers say

### BatteryBox

[App page](https://appshunter.io/ios/app/batterybox/id6449728589)

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

**In-app purchases:** none


### Open When

[App page](https://appshunter.io/ios/app/open-when-verses/id6759288078)

**Features:** Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Access | $1.99 | per month |
| Pro Access | $11.99 | per year |
| Open When Lifetime | $14.99 | one-time |


## Frequently asked questions

### Is BatteryBox free?

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

### Is Open When free?

Open When is free to download, with in-app purchases available.

### Do BatteryBox or Open When have ads?

Neither BatteryBox nor Open When 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.*