# Days Matter Air - Countdown — Countdown Your Important Days

> Countdown and count up to important dates with customizable event tracking. (iPhone/iPad app by iDaily Corp..)

- Source: https://appshunter.io/ios/app/days-matter-air-countdown/id1113365292 (this page in markdown: same URL + `.md`)
- Developer: [iDaily Corp.](https://appshunter.io/developer/364264742)
- Category: Productivity, Lifestyle
- Price: Free with in-app purchases
- Rating: 4.70/5 from 335 App Store ratings · 197 written reviews indexed
- Age rating: 4+
- Requires: iOS 12.0 · 161 MB
- Languages: American English, Japanese, Chinese (Simplified, China), Chinese (Traditional, Taiwan)
- Released: 2016-07-06
- Data updated: 2026-08-26
- Monetization: free with in-app purchases
- User reviews in markdown: https://appshunter.io/ios/app/days-matter-air-countdown/id1113365292/reviews.md

## What is Days Matter Air?

Days Matter is an app to countdown your important days, such as: How many days away from your Family’s birthday? When to pay your credit card? How many days are there from your payday? How long has it been since the baby was born?

= Feature =
·10,000 Years Support - From January 1, The Year One AD to December 31, 9999 AD, count up/down.
· Support Various Widgets
· Today in History
· Custom Categories - 3 default categories: Anniversary, Work, Life, support custom categories
· Lunar Calendar Support: From 1901 AD to 2099 AD
· Pin top for important dates, arranged in chronological order
· Custom event background
· Advanced feature: Passcode Protection

Please feel free to provide problem reports, feature ideas and general comments.

Proudly by Clover

## Key features

- Countdown/count up to 10,000 years
- Support for various widgets
- Customizable event categories
- Lunar calendar support
- Pin important dates to the top
- Passcode protection

## Pricing and in-app purchases

Base price: Free.

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| Days Matter Air Pro | $1.99 | one-time |
| 咖啡 | $2.99 | one-time |
| 银币 | $5.99 | one-time |
| 金币 | $14.99 | one-time |


## What do users think of Days Matter Air?

Overall sentiment: positive

**Pros**

- 💻 Convenient and easy to use
- 🎨 Beautiful and intuitive interface
- ⏱️ Helpful countdown and reminders
- 🗓️ Customizable event backgrounds
- 📆 Tracks important dates well

**Cons**

- 🌐 Some Chinese language elements
- 🔔 Inconsistent notification behavior
- 🔍 Lack of search functionality
- ⌚ Limited Apple Watch integration
- 🔒 Sync issues with iCloud/Apple Watch

**Commonly reported bugs**

- Occasional app crashes
- Widget disappearing from Notification Center
- Incompatibility with newer iOS versions

**Most requested features**

- Add note/description field for events
- Provide more language options
- Improve Apple Watch app functionality
- Implement backup and restore options
- Add sorting/filtering for event lists

## Recent user reviews (10 of 197)

All indexed reviews: https://appshunter.io/ios/app/days-matter-air-countdown/id1113365292/reviews.md

### 5/5 — Appreciation

*2025-10-18*

I really needed this app as I was just lost in the days and this app saved my time

### 5/5 — 超讚

*2025-07-17, version 1.2.2*

這個倒數日是我下載這麼多以來最好用的一個、會常常提醒我，其他的都不會提醒、超讚-但如果可以改為每天早上6點提醒會更完美

### 5/5 — convenient

*2025-05-16, version 1.2.1*

Convenient and easy to use, but it would be better if there were more background images to choose 😆

### 5/5 — 好用

*2025-05-09, version 1.2.1*

方便好用

### 5/5 — Very nice

*2025-04-12*

Used multiple years

### 2/5 — It was great until the recent update…

*2025-03-15*

The widget literally stops working

### 5/5 — Perfecto

*2025-03-09, version 1.2.1*

Simplemente perfecto

### 5/5 — 希望增加功能

*2025-03-06, version 1.2.1*

希望可以在每個事件中增加描述或是備註功能，方便用戶紀錄一些數字或是小事情

### 5/5 — Simple and Helpful

*2025-02-22*

Simple. Easy to use!

### 4/5 — Apple Watch app 不能用

*2024-12-19, version 1.1.2*

如題

## Frequently asked questions about Days Matter Air

### What does the Days Matter Air app do?

This app helps you count down to important future events and count up from past events. You can track birthdays, anniversaries, bill payments, and other significant dates.

### What are the key features of this countdown app?

Key features include support for counting up or down over a 10,000-year span, customizable event categories, lunar calendar integration, widget support, and passcode protection for privacy.

### Is Days Matter Air free to use?

The app is free to download and use, but it does offer in-app purchases. It also displays advertisements.

### What kind of events can I track with this app?

You can track a wide variety of events, such as family birthdays, credit card payment due dates, paydays, and the duration since a significant life event like a baby's birth.

### Does the app support different calendar systems?

Yes, the app supports the Gregorian calendar from 1 AD to 9999 AD, and also includes Lunar calendar support for dates between 1901 AD and 2099 AD.

## Version history (last 5 releases)

### 1.2.2 — 2025-07-16

- Supports iOS 18 New Widgets

### 1.2.1 — 2025-02-26

- Supports iOS 18 New Widgets

### 1.2 — 2025-02-24

- Supports iOS 18 New Widgets

### 1.1.2 — 2023-12-12

- Supports iOS 17 New StandBy Widget
- Supports watchOS 10 New Smart Stack Widget

### 1.1.1 — 2023-12-05

- Supports iOS 17 New StandBy Widget
- Supports watchOS 10 New Smart Stack Widget

## Apps similar to Days Matter Air

| App | Rating | Price | Category |
| --- | --- | --- | --- |
| [Countdown & Count Up Timer](https://appshunter.io/ios/app/countdown-and-count-up-timer/id919998681) | 4.7 (2,307) | Free | Productivity |
| [Day Counter - love days](https://appshunter.io/ios/app/day-counter-love-days/id1597681894) | 4.8 (1,562) | Free | Productivity |
| [Countdown: Event Countdown](https://appshunter.io/ios/app/countdown-event-countdown/id983258067) | 4.7 (23,730) | Free | Productivity |
| [Countdowns - Event Countdown](https://appshunter.io/ios/app/countdowns-event-countdown/id917514700) | 4.7 (9,248) | Free | Productivity |
| [Reminder & Countdown](https://appshunter.io/ios/app/reminder-and-countdown/id471570365) | 4.8 (16,368) | Free | Productivity |
| [Countdown widget : Day Counter](https://appshunter.io/ios/app/countdown-widget-day-counter/id1568911092) | 4.5 (1,244) | Free | Productivity |

## More apps by iDaily Corp.

- [中文摄影杂志 PhotoMagazine](https://appshunter.io/ios/app/photomagazine/id373067909)
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- [倒数日 · Days Matter](https://appshunter.io/ios/app/days-matter/id406170251)
- [每日星座运程· NowNow 闹闹的女巫店](https://appshunter.io/ios/app/nownow/id464566526)
- [每日星座运程 · NowNow 闹闹的女巫店 HD](https://appshunter.io/ios/app/nownow-hd/id474384318)
- [每日壁纸杂志 · WallPaper Magazine](https://appshunter.io/ios/app/wallpaper-magazine/id478681880)

All apps by iDaily Corp.: https://appshunter.io/developer/364264742

## Related topics

[days matter](https://appshunter.io/ios/topics/days-matter) · [my100days](https://appshunter.io/ios/topics/my100days)

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-26.*