# CalAdvent vs HappyDay Reminder

The clearest difference is ads: CalAdvent at none against HappyDay Reminder's shown. HappyDay Reminder's advantage is iOS requirement (13.0 vs 15.6). On price, 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 | CalAdvent | HappyDay Reminder |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 4 months | — |
| Size | 28 MB | 14 MB |
| Requires iOS | 15.6 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Eric Smith](https://appshunter.io/developer/415133551) | [vulper.io UG (haftungsbeschrankt)](https://appshunter.io/developer/1506250021) |

## What reviewers say

### CalAdvent

[App page](https://appshunter.io/ios/app/caladvent/id1439383338)

**Features:** macOS Compatibility

**In-app purchases:** none


### HappyDay Reminder

[App page](https://appshunter.io/ios/app/happyday-reminder/id6496972483)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is CalAdvent free?

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

### Is HappyDay Reminder free?

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

### Do CalAdvent or HappyDay Reminder have ads?

HappyDay Reminder shows ads; CalAdvent does not.

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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.*