# CozyDay vs 삐디

The clearest difference is ads: 삐디 at none against CozyDay's shown. 삐디 also leads on iOS requirement (15.1 vs 18.0). CozyDay's advantage is update cadence (every 2 days vs every 2 weeks). 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.

CozyDay ships an update every 2 days, 삐디 every 2 weeks. Both last shipped on October 31, 2026.

## The numbers

| Metric | CozyDay | 삐디 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Every 2 days** | Every 2 weeks |
| Monetization | Ad-supported | — |
| Size | 31 MB | 21 MB |
| Requires iOS | 18.0 | **15.1** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | +4 | 4+ |
| Developer | [MyeongJin Lee](https://appshunter.io/developer/1723279387) | [Woojung Jeon](https://appshunter.io/developer/1851790516) |

## What reviewers say

### CozyDay

[App page](https://appshunter.io/ios/app/cozyday-couple-memory-space/id6759999189)

This app helps couples track their relationship milestones, from the first date to anniversaries. It offers a D-Day counter, a shared calendar, love letters, and widgets to keep memories alive and celebrate special days together.

**Highlights:** D-Day counter, Anniversary management, Home and lock screen widgets, Memory photo attachments, 24-hour disappearing love letters, Couple profile creation, Customizable notification settings

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

**In-app purchases:** none


### 삐디

[App page](https://appshunter.io/ios/app/and/id6768058528)

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

**In-app purchases:** none


## Frequently asked questions

### Is CozyDay free?

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

### Is 삐디 free?

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

### Do CozyDay or 삐디 have ads?

CozyDay shows ads; 삐디 does not.

### Which is updated more often, CozyDay or 삐디?

CozyDay ships an update every 2 days, and 삐디 every 2 weeks. Most recently, CozyDay was updated on October 31, 2026 and 삐디 on October 31, 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.*