# Cupla vs duo.

The clearest difference is review sentiment: duo. at 100% against Cupla's 73%. duo. also leads on rating (5.0 vs 4.7). Cupla's advantage is ratings volume (2.3K vs 5). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Cupla sells 8 in-app purchases, starting at $4.99 per month and duo. sells 2 in-app purchases, starting at $5.99 per month. Whichever you choose, the download price is not the number that matters.

duo. holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: Cupla has 2.3K ratings behind it against 5, so its average is the more settled of the two. Written reviews point the same way: 73% of Cupla's written reviews are positive against 100% of duo.'s.

Cupla ships an update every 2 weeks, duo. weekly. The most recent releases landed on November 13, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Cupla | duo. |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (2.3K ratings)](https://appshunter.io/ios/app/cupla-couples-shared-calendar/id1557764033/reviews) | **[5.0 (5 ratings)](https://appshunter.io/ios/app/duo-relationship-organizer/id6761394637/reviews)** |
| Number of ratings | **2.3K** | 5 |
| Positive reviews | 72.8% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Weekly** |
| Monetization | Freemium | Freemium |
| Size | 254 MB | 68 MB |
| Requires iOS | 16.0 | **15.1** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 12+ | 4+ |
| Developer | [Cupla Limited](https://appshunter.io/developer/1557764035) | [Christopher Fusco](https://appshunter.io/developer/1889328691) |

## What reviewers say

### Cupla

[App page](https://appshunter.io/ios/app/cupla-couples-shared-calendar/id1557764033)

This app helps couples synchronize their lives by offering a shared calendar, to-do lists, and wishlists. It aims to reduce mental load, improve communication, and facilitate planning for dates, chores, and future goals. University-backed research indicates it reduces stress and increases quality time spent together.

**Highlights:** Shared calendar synchronization, Joint to-do lists and reminders, Collaborative wishlists, Key date tracking and countdowns, Flexible privacy controls, Date night goal setting

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

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $4.99 | per month |
| Monthly | $4.99 | per month |
| Monthly | $5.99 | per month |
| Monthly | $5.99 | per month |
| Monthly | $7.99 | per month |
| Yearly | $34.99 | per year |
| Cupla Plus | $39.99 | per year |
| Yearly | $44.99 | per year |

**What reviewers like**

- 👍 Easy to use
- 🚀 Helpful for organizing schedules
- 💡 Great shared calendar features
- 👍 Useful for couples and busy lives
- 👍 Intuitive interface

**What reviewers complain about**

- 🐛 Calendar sync issues
- 🐛 Buggy and glitchy at times
- 🔒 Paywall for full functionality
- 🐛 Inconsistent performance
- 🐛 Inability to delete old synced events

**Reported bugs**

- Notifications not working as expected
- Calendar dates and events not displaying correctly
- Syncing issues between partner calendars
- App freezing or crashing

**Requested features**

- More customization options (colors, widgets, etc.)
- Ability to add more than 3 calendars (e.g. for kids)
- Improved calendar view and navigation
- Integration with other apps and calendars
- Chat or notes feature for events


### duo.

[App page](https://appshunter.io/ios/app/duo-relationship-organizer/id6761394637)

This app helps you organize your relationship by tracking gifts, planning dates, and sharing a calendar. It offers features like gift idea saving, date night planning, and a private journal to reflect on your relationship. It's designed to help you be a better partner with a structured system.

**Highlights:** Gift idea saving, Shared calendar, Date night planner, Milestone and anniversary tracking, Private journal with prompts, Love language signals

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| duo Pro | $5.99 | per month |
| duo Pro Yearly | $39.99 | per year |


## Frequently asked questions

### Is Cupla free?

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

### Is duo. free?

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

### Which has better reviews, Cupla or duo.?

duo. is rated higher. Cupla averages 4.7 out of 5 from 2.3K ratings, while duo. averages 5.0 from 5 ratings.

### Do Cupla or duo. have ads?

Neither Cupla nor duo. shows ads.

### Which is updated more often, Cupla or duo.?

Cupla ships an update every 2 weeks, and duo. weekly. Most recently, Cupla was updated on November 13, 2026 and duo. 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.*