# Bat Test vs ChangeDay

The clearest difference is iOS requirement: Bat Test at 13.0 against ChangeDay's 17.6. 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.

## The numbers

| Metric | Bat Test | ChangeDay |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 weeks | — |
| Size | 13 MB | 5 MB |
| Requires iOS | **13.0** | 17.6 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Shenzhen Grepow Battery Co.Ltd.](https://appshunter.io/developer/1714028930) | [jonathan hering](https://appshunter.io/developer/1887130948) |

## What reviewers say

### Bat Test

[App page](https://appshunter.io/ios/app/bat-test/id6477124171)

**In-app purchases:** none


### ChangeDay

[App page](https://appshunter.io/ios/app/changeday-simple-reminders/id6766130529)

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

**In-app purchases:** none


## Frequently asked questions

### Is Bat Test free?

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

### Is ChangeDay free?

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

### Do Bat Test or ChangeDay have ads?

Neither Bat Test nor ChangeDay 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.*