# CozyDay vs Sub

The clearest difference is in-app purchases: CozyDay at none against Sub's 2. Sub's advantage is ads (none vs shown) and iOS requirement (15.1 vs 18.0). On price, update cadence and device support there is nothing between them.

Both are free to download. Sub sells 2 in-app purchases, starting at $3.99 per month. CozyDay asks for nothing beyond the download.

CozyDay ships an update every 2 days, Sub every 3 days. The most recent releases landed on October 31, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | CozyDay | Sub |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 2 days** | Every 3 days |
| Monetization | Ad-supported | — |
| Size | 31 MB | 48 MB |
| Requires iOS | 18.0 | **15.1** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | +4 | 4+ |
| Developer | [MyeongJin Lee](https://appshunter.io/developer/1723279387) | [Berkan ARIKAN](https://appshunter.io/developer/1896728571) |

## 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


### Sub

[App page](https://appshunter.io/ios/app/sub-couples-journal/id6770263181)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Sub Pro Monthly | $3.99 | per month |
| Sub Pro Annual | $34.99 | per year |


## Frequently asked questions

### Is CozyDay free?

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

### Is Sub free?

Sub is free to download, with in-app purchases available.

### Do CozyDay or Sub have ads?

CozyDay shows ads; Sub does not.

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

CozyDay ships an update every 2 days, and Sub every 3 days. Most recently, CozyDay was updated on October 31, 2026 and Sub on October 25, 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.*