# CountDuck vs Crown Calm

The clearest difference is price: CountDuck at Free against Crown Calm's $0.99. CountDuck also leads on iOS requirement (14.0 vs 17.0). Crown Calm's advantage is in-app purchases (none vs 5) and update cadence (every 3 days vs weekly). On ads and device support there is nothing between them.

CountDuck is free to download; Crown Calm costs $0.99 up front. CountDuck sells 5 in-app purchases, starting at $0.99 per month. Crown Calm asks for nothing beyond the download.

CountDuck ships an update weekly, Crown Calm every 3 days. Both last shipped on November 3, 2026.

## The numbers

| Metric | CountDuck | Crown Calm |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | **[4.8 (17 ratings)](https://appshunter.io/ios/app/countduck-birthday-countdown/id6457201223/reviews)** | — |
| Number of ratings | **17** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Weekly | **Every 3 days** |
| Monetization | Freemium | — |
| Best chart rank | — | **#42** |
| Size | 88 MB | 39 MB |
| Requires iOS | **14.0** | 17.0 |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPad, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Subtle Radiance Limited](https://appshunter.io/developer/1509696679) | [祖苇 金](https://appshunter.io/developer/6785425198) |

## What reviewers say

### CountDuck

[App page](https://appshunter.io/ios/app/countduck-birthday-countdown/id6457201223)

Never miss an important date again with this intuitive countdown app. It offers visually appealing designs, customizable reminders, and home screen widgets to keep track of birthdays, anniversaries, and progress. Premium features include lunar calendar integration and recurring notifications.

**Highlights:** Countdown for birthdays and anniversaries, System notifications and in-app reminders, Home screen widgets, Customizable color schemes and icons, Lunar calendar and zodiac signs, Recurring reminders, Shareable countdown templates

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| CountDuck Premium Monthly | $0.99 | per month |
| CountDuck Premium Annually | $3.99 | per year |
| CountDuck Premium Annually | $4.99 | per year |
| CountDuck Premium | $9.99 | per year |
| CountDuck Premium | $9.99 | one-time |


### Crown Calm

[App page](https://appshunter.io/ios/app/crown-calm/id6822240252)

**Currently charting:** #42 Top Paid · Lifestyle (US App Store)

**Features:** Apple Watch app

**In-app purchases:** none


## Frequently asked questions

### Is CountDuck free?

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

### Is Crown Calm free?

Crown Calm costs $0.99, with no in-app purchases.

### Do CountDuck or Crown Calm have ads?

Neither CountDuck nor Crown Calm shows ads.

### Which is updated more often, CountDuck or Crown Calm?

CountDuck ships an update weekly, and Crown Calm every 3 days. Most recently, CountDuck was updated on November 3, 2026 and Crown Calm on November 3, 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.*