# Days Matter Air vs 倒数321

Days Matter Air and 倒数321 both sit at 4.7 stars, but that hides the real split: 85% of Days Matter Air's written reviews are positive against 50% of 倒数321's. Days Matter Air also leads on ratings volume (338 vs 35) and iOS requirement (12.0 vs 14.0). 倒数321's advantage is update cadence (monthly vs every 2 months). On price, rating, ads and in-app purchases there is nothing between them.

Both are free to download. Days Matter Air sells 4 one-off in-app purchases and 倒数321 sells 17 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 4.7 for Days Matter Air against 4.6 for 倒数321. That said, the two scores are not equally well evidenced: Days Matter Air has 338 ratings behind it against 35, so its average is the more settled of the two. Written reviews are what separate them: 85% of Days Matter Air's written reviews are positive against 50% of 倒数321's.

Days Matter Air ships an update every 2 months, 倒数321 monthly. The most recent releases landed on October 26, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Days Matter Air | 倒数321 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (338 ratings)](https://appshunter.io/ios/app/days-matter-air-countdown/id1113365292/reviews)** | [4.6 (35 ratings)](https://appshunter.io/ios/app/321/id1596420055/reviews) |
| Number of ratings | **338** | 35 |
| Positive reviews | **84.8% of reviews** | 50.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Monthly** |
| Monetization | Free with in-app purchases | Freemium |
| Size | 161 MB | 93 MB |
| Requires iOS | **12.0** | 14.0 |
| Devices | **iPhone, iPod, Apple Watch** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [iDaily Corp.](https://appshunter.io/developer/364264742) | [MiaoA Technology Co., Ltd.](https://appshunter.io/developer/1596420057) |

## What reviewers say

### Days Matter Air

[App page](https://appshunter.io/ios/app/days-matter-air-countdown/id1113365292)

Track important upcoming and past events with a visual countdown. Supports a vast date range, custom categories, and widgets. Never miss a birthday, anniversary, or bill payment again.

**Highlights:** 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

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 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 reviewers like**

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

**What reviewers complain about**

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

**Reported bugs**

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

**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


### 倒数321

[App page](https://appshunter.io/ios/app/321/id1596420055)

This app helps you track important dates with countdowns and reminders. It supports various events like anniversaries, birthdays, holidays, and tasks, offering personalized widgets and cute pet guardians to enhance your experience.

**Highlights:** Countdown and count-up for important dates, Reminders for anniversaries, birthdays, and holidays, Customizable widgets and desktop icons, Photo sharing with friends via widgets, Support for Lunar calendar events, Event categorization and prioritization, Cute pet guardians for events

**Features:** macOS Compatibility

**In-app purchases (17)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 倒数321连续包月优惠 | $0.99 | per month |
| 倒数321连续包月促销 | $1.99 | per month |
| 倒数321月份会员促销 | $2.99 | one-time |
| 倒数321永久会员限时促销 | $2.99 | one-time |
| 倒数321年会员促销 | $3.99 | one-time |
| 倒数321月份会员 | $3.99 | one-time |
| 倒数321永久会员特惠促销 | $3.99 | one-time |
| 倒数321永久会员1折促销 | $3.99 | one-time |
| 倒数321包月会员 | $3.99 | one-time |
| 倒数321包月会员优惠 | $4.99 | one-time |
| 倒数321永久会员限时优惠 | $4.99 | one-time |
| 倒数321永久会员 | $5.99 | one-time |
| 倒数321包月会员促销 | $5.99 | one-time |
| 倒数321年会员 | $9.99 | one-time |
| 倒数321包年会员优惠 | $14.99 | one-time |
| 倒数321包年会员促销 | $14.99 | one-time |
| 倒数321永久会员 | $39.99 | one-time |


## Frequently asked questions

### Is Days Matter Air free?

Days Matter Air is free to download, with in-app purchases available.

### Is 倒数321 free?

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

### Which has better reviews, Days Matter Air or 倒数321?

Days Matter Air is rated higher. Days Matter Air averages 4.7 out of 5 from 338 ratings, while 倒数321 averages 4.6 from 35 ratings.

### Do Days Matter Air or 倒数321 have ads?

Neither Days Matter Air nor 倒数321 shows ads.

### Which is updated more often, Days Matter Air or 倒数321?

Days Matter Air ships an update every 2 months, and 倒数321 monthly. Most recently, Days Matter Air was updated on October 26, 2026 and 倒数321 on October 24, 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.*