# 倒数日 · Days Matter vs MARK ON CALENDAR

The clearest difference is ads: MARK ON CALENDAR at none against 倒数日 · Days Matter's shown. MARK ON CALENDAR also leads on review sentiment (100% vs 88%). 倒数日 · Days Matter's advantage is ratings volume (8.3K vs 3) and update cadence (every 3 weeks vs every 3 months). On price, rating, in-app purchases 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 and MARK ON CALENDAR sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

MARK ON CALENDAR 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 3, so its average is the more settled of the two. Written reviews point the same way: 88% of 倒数日 · Days Matter's written reviews are positive against 100% of MARK ON CALENDAR's.

倒数日 · Days Matter ships an update every 3 weeks, MARK ON CALENDAR every 3 months. The most recent releases landed on November 7, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | 倒数日 · Days Matter | MARK ON CALENDAR |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.8 (8.3K ratings)](https://appshunter.io/ios/app/days-matter/id406170251/reviews) | **[5.0 (3 ratings)](https://appshunter.io/ios/app/mark-on-calendar/id1240853091/reviews)** |
| Number of ratings | **8.3K** | 3 |
| Positive reviews | 87.5% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 3 weeks** | Every 3 months |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 280 MB | 5 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [iDaily Corp.](https://appshunter.io/developer/364264742) | [海钦 王](https://appshunter.io/developer/842557419) |

## 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


### MARK ON CALENDAR

[App page](https://appshunter.io/ios/app/mark-on-calendar/id1240853091)

Easily mark important events on your daily calendar with support for up to three distinct marks per day. Set timely notifications to ensure you never miss an event. This free app helps you stay organized with simple yet effective event tracking.

**Highlights:** Mark up to three events per day, Set time-based notifications, Free to use, Supports iPhone and iPod

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 移除广告 | $0.99 | one-time |


## 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 MARK ON CALENDAR free?

MARK ON CALENDAR is free to download, with in-app purchases available.

### Which has better reviews, 倒数日 · Days Matter or MARK ON CALENDAR?

MARK ON CALENDAR is rated higher. 倒数日 · Days Matter averages 4.8 out of 5 from 8.3K ratings, while MARK ON CALENDAR averages 5.0 from 3 ratings.

### Do 倒数日 · Days Matter or MARK ON CALENDAR have ads?

倒数日 · Days Matter shows ads; MARK ON CALENDAR does not.

### Which is updated more often, 倒数日 · Days Matter or MARK ON CALENDAR?

倒数日 · Days Matter ships an update every 3 weeks, and MARK ON CALENDAR every 3 months. Most recently, 倒数日 · Days Matter was updated on November 7, 2026 and MARK ON CALENDAR on November 6, 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.*