# 倒数日 · Days Matter vs XDYou

The clearest difference is rating: 倒数日 · Days Matter at 4.8 against XDYou's 4.0. 倒数日 · Days Matter also leads on ratings volume (8.3K vs 6) and review sentiment (87% vs 75%). XDYou's advantage is in-app purchases (none vs 11) and ads (none vs shown). On price, update cadence, device support and iOS requirement there is nothing between them.

Both are free to download. 倒数日 · Days Matter sells 11 in-app purchases, starting at $0.49 per month. XDYou asks for nothing beyond the download.

倒数日 · Days Matter holds the better App Store score, 4.8 against 4.0. That said, the two scores are not equally well evidenced: 倒数日 · Days Matter has 8.3K ratings behind it against 6, so its average is the more settled of the two. Written reviews point the same way: 87% of 倒数日 · Days Matter's written reviews are positive against 75% of XDYou's.

倒数日 · Days Matter ships an update monthly, XDYou every 5 weeks. The most recent releases landed on October 25, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | 倒数日 · Days Matter | XDYou |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (8.3K ratings)](https://appshunter.io/ios/app/days-matter/id406170251/reviews)** | [4.0 (6 ratings)](https://appshunter.io/ios/app/xdyou/id6461723688/reviews) |
| Number of ratings | **8.3K** | 6 |
| Positive reviews | **87.5% of reviews** | 75.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Monthly** | Every 5 weeks |
| Monetization | Free with in-app purchases | **Free** |
| Size | 263 MB | 35 MB |
| Requires iOS | **15.0** | 15.6 |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [iDaily Corp.](https://appshunter.io/developer/364264742) | [文彪 赵](https://appshunter.io/developer/1702513488) |

## What reviewers say

### 倒数日 · Days Matter

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

This app helps you track important dates, from birthdays and anniversaries to deadlines and personal milestones. It offers extensive date range support, cloud synchronization, and customizable categories to keep your memories and tasks organized. Features include historical date lookups and a built-in calculator.

**Highlights:** Countdown/count up to any date, Cloud synchronization, Lunar calendar support, Customizable categories, Historical dates, Date calculator, Password protection

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

**In-app purchases (11)**

| 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 5000 张 | $3.99 | 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


### XDYou

[App page](https://appshunter.io/ios/app/xdyou/id6461723688)

An open-source personal data assistant designed for XDU students. It helps manage academic schedules, view grades, track library books, monitor dorm electricity, and access various school-related tools and information.

**Highlights:** View classtable and exam arrangements, Track sports data and scores, Monitor dorm electricity balance, Calculate GPA and average scores, Manage library book due dates, Check cafeteria bills and payment codes, Find empty classrooms

**Features:** macOS Compatibility

**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 XDYou free?

XDYou is free to download, with no in-app purchases.

### Which has better reviews, 倒数日 · Days Matter or XDYou?

倒数日 · Days Matter is rated higher. 倒数日 · Days Matter averages 4.8 out of 5 from 8.3K ratings, while XDYou averages 4.0 from 6 ratings.

### Do 倒数日 · Days Matter or XDYou have ads?

倒数日 · Days Matter shows ads; XDYou does not.

### Which is updated more often, 倒数日 · Days Matter or XDYou?

倒数日 · Days Matter ships an update monthly, and XDYou every 5 weeks. Most recently, 倒数日 · Days Matter was updated on October 25, 2026 and XDYou on October 11, 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.*