# OETH vs Joy's Calendar

The clearest difference is ads: OETH at none against Joy's Calendar's shown. Joy's Calendar's advantage is update cadence (fortnightly vs every 3 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

OETH ships an update every 3 months, Joy's Calendar fortnightly. The most recent releases landed on October 6, 2026 and October 22, 2026 respectively.

## The numbers

| Metric | OETH | Joy's Calendar |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 3 months | **Fortnightly** |
| Size | 25 MB | 39 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [WebComm Technology Co., Ltd.](https://appshunter.io/developer/724381640) | [Jenhe Liao](https://appshunter.io/developer/1687300904) |

## What reviewers say

### OETH

[App page](https://appshunter.io/ios/app/oeth/id1597058287)

**Features:** Vision Pro support

**In-app purchases:** none


### Joy's Calendar

[App page](https://appshunter.io/ios/app/joys-calendar/id6455375095)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is OETH free?

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

### Is Joy's Calendar free?

Joy's Calendar is free to download, with no in-app purchases.

### Do OETH or Joy's Calendar have ads?

Joy's Calendar shows ads; OETH does not.

### Which is updated more often, OETH or Joy's Calendar?

OETH ships an update every 3 months, and Joy's Calendar fortnightly. Most recently, OETH was updated on October 6, 2026 and Joy's Calendar on October 22, 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.*