# 日期计算器：相隔天数恋爱纪念日 vs Countdown 321

The clearest difference is in-app purchases: 日期计算器：相隔天数恋爱纪念日 at none against Countdown 321's 2. 日期计算器：相隔天数恋爱纪念日 also leads on iOS requirement (16 vs 18.0). Countdown 321's advantage is ads (none vs shown). On price and device support there is nothing between them.

Both are free to download. Countdown 321 sells 2 in-app purchases, starting at $1.99 per year. 日期计算器：相隔天数恋爱纪念日 asks for nothing beyond the download.

## The numbers

| Metric | 日期计算器：相隔天数恋爱纪念日 | Countdown 321 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.6 (8 ratings)](https://appshunter.io/ios/app/countdown-321-widget/id6749746114/reviews)** |
| Number of ratings | — | **8** |
| Positive reviews | — | 95.5% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | — | Every 3 months |
| Monetization | — | Free with in-app purchases |
| Size | 18 MB | 6 MB |
| Requires iOS | **16** | 18.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [Shenzhen Duoxiang Technology Co., Ltd](https://appshunter.io/developer/1534573413) | [帆 邱](https://appshunter.io/developer/1766624521) |

## What reviewers say

### 日期计算器：相隔天数恋爱纪念日

[App page](https://appshunter.io/ios/app/id6747629214)

**Features:** macOS Compatibility

**In-app purchases:** none


### Countdown 321

[App page](https://appshunter.io/ios/app/countdown-321-widget/id6749746114)

Easily track important upcoming events and past milestones with a clean, minimalist interface. Get instant updates via home screen widgets and sync your data across devices with iCloud. Never forget a special day again.

**Highlights:** Countdown and count-up days, Reminders and notifications, Life calendar visualization, Timeline view, Minimalist design, Home screen widgets, iCloud sync

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| CountdownPro | $1.99 | per year |
| Lifetime Pro | $0.99 | one-time |


## Frequently asked questions

### Is 日期计算器：相隔天数恋爱纪念日 free?

日期计算器：相隔天数恋爱纪念日 is free to download, with no in-app purchases.

### Is Countdown 321 free?

Countdown 321 is free to download, with in-app purchases available.

### Do 日期计算器：相隔天数恋爱纪念日 or Countdown 321 have ads?

日期计算器：相隔天数恋爱纪念日 shows ads; Countdown 321 does not.

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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.*