# 倒数日 · Days Matter vs IP数据云

The clearest difference is in-app purchases: IP数据云 at none against 倒数日 · Days Matter's 10. IP数据云 also leads on ads (none vs shown) and iOS requirement (13.0 vs 15.0). 倒数日 · Days Matter's advantage is ratings volume (8.3K vs 1). On price, rating, update cadence and monetization model there is nothing between them.

Both are free to download. 倒数日 · Days Matter sells 10 in-app purchases, starting at $0.49 per month. IP数据云 asks for nothing beyond the download.

IP数据云 holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: 倒数日 · Days Matter has 8.3K ratings behind it against 1, so its average is the more settled of the two.

倒数日 · Days Matter ships an update every 3 weeks, IP数据云 monthly. The most recent releases landed on November 12, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | 倒数日 · Days Matter | IP数据云 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.8 (8.3K ratings)](https://appshunter.io/ios/app/days-matter/id406170251/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/ip/id1623741917/reviews)** |
| Number of ratings | **8.3K** | 1 |
| Positive reviews | 87.5% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 3 weeks** | Monthly |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 280 MB | 52 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [iDaily Corp.](https://appshunter.io/developer/364264742) | [伟伟 豆](https://appshunter.io/developer/1623339932) |

## What reviewers say

### 倒数日 · Days Matter

[App page](https://appshunter.io/ios/app/days-matter/id406170251)

Track important dates, from personal milestones to financial deadlines. Offers extensive date range support, cloud sync, and customizable event backgrounds. Includes features like historical date lookups and a date calculator.

**Highlights:** Extensive date range support (year 1 to 9999), Cloud synchronization for data backup, Lunar calendar support, Notification Center widgets and Apple Watch app, Customizable event backgrounds, Password protection with Face ID/Touch ID

**Features:** macOS Compatibility, Apple Watch app, iMessage stickers, Vision Pro support

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 倒数日 Pro · 月度会员 | $0.49 | per month |
| 倒数日相册 1000 张 | $0.99 | per month |
| 倒数日相册 2000 张 | $1.99 | per month |
| 倒数日相册 10000 张 | $6.99 | per month |
| 倒数日重置密码 | $0.99 | one-time |
| メールアドレスカード | $2.99 | one-time |
| 咖啡 | $2.99 | one-time |
| Days Matter Pro | $4.99 | one-time |
| 银币 | $5.99 | one-time |
| 金币 | $14.99 | one-time |

**What reviewers like**

- 👍 Simple and easy to use
- 📆 Helps remember important dates
- 🗓️ Useful for tracking events and milestones
- 🧠 Aids in recalling memories
- 🔍 Provides historical information

**What reviewers complain about**

- 💰 Some features require paid subscription
- 🌐 Lack of English language support
- 🔧 Occasional bugs and crashes
- 🔍 Cluttered interface for some users
- ⚠️ Unexpected changes to login/sync methods

**Reported bugs**

- Incorrect date display in widget
- Inconsistent behavior when changing phones
- Sync issues causing data loss
- Unexpected app behavior after updates

**Requested features**

- Add English language option
- Improve widget customization
- Provide more theme/background options
- Allow manual date entry format customization
- Implement sync with other calendar apps


### IP数据云

[App page](https://appshunter.io/ios/app/ip/id1623741917)

This platform offers a comprehensive global IP address database for precise location tracking. It utilizes advanced AI algorithms and extensive network monitoring to provide highly accurate IP geolocation data, with options for custom interface development.

**Highlights:** Global IP address database (4.3 billion IPs), High-accuracy IP geolocation (>99.8%), AI-powered location algorithms, Real-time IP data updates (24h), MAC and public IP address detection, Customizable API and offline database options

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

**In-app purchases:** none


## Frequently asked questions

### Is 倒数日 · Days Matter free?

倒数日 · Days Matter is free to download, with in-app purchases available.

### Is IP数据云 free?

IP数据云 is free to download, with no in-app purchases.

### Which has better reviews, 倒数日 · Days Matter or IP数据云?

IP数据云 is rated higher. 倒数日 · Days Matter averages 4.8 out of 5 from 8.3K ratings, while IP数据云 averages 5.0 from 1 ratings.

### Do 倒数日 · Days Matter or IP数据云 have ads?

倒数日 · Days Matter shows ads; IP数据云 does not.

### Which is updated more often, 倒数日 · Days Matter or IP数据云?

倒数日 · Days Matter ships an update every 3 weeks, and IP数据云 monthly. Most recently, 倒数日 · Days Matter was updated on November 12, 2026 and IP数据云 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.*