# OER Clock vs Long Lasting Clock

The clearest difference is in-app purchases: OER Clock at none against Long Lasting Clock's 1. OER Clock also leads on iOS requirement (13.0 vs 16.0). Long Lasting Clock's advantage is device support. On price there is nothing between them.

Both are free to download. Long Lasting Clock sells 1 one-off in-app purchase. OER Clock asks for nothing beyond the download.

## The numbers

| Metric | OER Clock | Long Lasting Clock |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | — | No |
| Update frequency | — | Every 5 days |
| Size | 29 MB | 5 MB |
| Requires iOS | **13.0** | 16.0 |
| Devices | — | **iPhone, iPad** |
| Age rating | 17+ | 4+ |
| Developer | [Shenzhen PROS Electronics Co.,Ltd](https://appshunter.io/developer/1798637623) | [Schmidt Service Partner AB](https://appshunter.io/developer/6802420757) |

## What reviewers say

### OER Clock

[App page](https://appshunter.io/ios/app/oer-clock/id6768190344)

**In-app purchases:** none


### Long Lasting Clock

[App page](https://appshunter.io/ios/app/long-lasting-clock-fullscreen/id6802885324)

**Features:** Family Sharing, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Long Lasting Clock Pro | $1.99 | one-time |


## Frequently asked questions

### Is OER Clock free?

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

### Is Long Lasting Clock free?

Long Lasting Clock is free to download, with in-app purchases available.

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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.*