# パンダ誕生日 vs Cool Penguin Clock

The clearest difference is in-app purchases: パンダ誕生日 at none against Cool Penguin Clock's 1. パンダ誕生日 also leads on ads (none vs shown). Cool Penguin Clock's advantage is iOS requirement (12.0 vs 15.0). On price, update cadence and device support there is nothing between them.

Both are free to download. Cool Penguin Clock sells 1 one-off in-app purchase. パンダ誕生日 asks for nothing beyond the download.

パンダ誕生日 ships an update monthly, Cool Penguin Clock every 3 weeks. The most recent releases landed on October 21, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | パンダ誕生日 | Cool Penguin Clock |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Monthly | **Every 3 weeks** |
| Size | 6 MB | 27 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Hiroshi Kakuda](https://appshunter.io/developer/1541579373) | [Mihoko Araki](https://appshunter.io/developer/1476136915) |

## What reviewers say

### パンダ誕生日

[App page](https://appshunter.io/ios/app/id1554749770)

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

**In-app purchases:** none


### Cool Penguin Clock

[App page](https://appshunter.io/ios/app/cool-penguin-clock/id6453357439)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Penguin Clock with no ads | $1.99 | one-time |


## Frequently asked questions

### Is パンダ誕生日 free?

パンダ誕生日 is free to download, with no in-app purchases.

### Is Cool Penguin Clock free?

Cool Penguin Clock is free to download, with in-app purchases available.

### Do パンダ誕生日 or Cool Penguin Clock have ads?

Cool Penguin Clock shows ads; パンダ誕生日 does not.

### Which is updated more often, パンダ誕生日 or Cool Penguin Clock?

パンダ誕生日 ships an update monthly, and Cool Penguin Clock every 3 weeks. Most recently, パンダ誕生日 was updated on October 21, 2026 and Cool Penguin Clock on October 19, 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.*