# Duet vs DeenDoor

The clearest difference is ads: DeenDoor at none against Duet's shown. DeenDoor also leads on update cadence (every 2 days vs weekly). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. Duet sells 3 in-app purchases, starting at $2.99 per month and DeenDoor sells 2 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.

Duet ships an update weekly, DeenDoor every 2 days. The most recent releases landed on October 24, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | Duet | DeenDoor |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (5 ratings)](https://appshunter.io/ios/app/duet-shared-couples-calendar/id6503354460/reviews)** | — |
| Number of ratings | **5** | — |
| Positive reviews | 69.2% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Weekly | **Every 2 days** |
| Monetization | Free with in-app purchases | — |
| Size | 80 MB | 25 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [TSE JU LIN](https://appshunter.io/developer/1749076563) | [Daler Khodzhimatov](https://appshunter.io/developer/6798594104) |

## What reviewers say

### Duet

[App page](https://appshunter.io/ios/app/duet-shared-couples-calendar/id6503354460)

This app helps couples stay organized and connected by offering a shared calendar, anniversary tracking, and a collaborative wish list. It focuses on practical tools for coordination rather than gamified romance prompts.

**Highlights:** Shared calendar for couples, Anniversary and date tracking, Collaborative wish list, Event planning for two, Relationship organization tools

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Duet Plus (Monthly) | $2.99 | per month |
| Duet Plus (Quarterly) | $5.99 | per 3 months |
| Duet Plus (Yearly) | $17.99 | per year |


### DeenDoor

[App page](https://appshunter.io/ios/app/deendoor/id6798593982)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| DeenDoor Premium Monthly | $3.99 | per month |
| DeenDoor Premium Yearly | $39.99 | per year |


## Frequently asked questions

### Is Duet free?

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

### Is DeenDoor free?

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

### Do Duet or DeenDoor have ads?

Duet shows ads; DeenDoor does not.

### Which is updated more often, Duet or DeenDoor?

Duet ships an update weekly, and DeenDoor every 2 days. Most recently, Duet was updated on October 24, 2026 and DeenDoor on October 14, 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.*