# 倒数日 · Days Matter vs 无人机考试题库

The clearest difference is ads: 无人机考试题库 at none against 倒数日 · Days Matter's shown. 无人机考试题库 also leads on review sentiment (100% vs 87%) and iOS requirement (13 vs 15.0). 倒数日 · Days Matter's advantage is ratings volume (8.3K vs 6). On price, rating, update cadence and in-app purchases 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 无人机考试题库 sells 2 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

无人机考试题库 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 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 100% of 无人机考试题库's.

倒数日 · Days Matter ships an update monthly, 无人机考试题库 every 5 weeks. The most recent releases landed on November 4, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | 倒数日 · Days Matter | 无人机考试题库 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.8 (8.3K ratings)](https://appshunter.io/ios/app/days-matter/id406170251/reviews) | **[5.0 (6 ratings)](https://appshunter.io/ios/app/caac-drone-quiz/id6740687111/reviews)** |
| Number of ratings | **8.3K** | 6 |
| Positive reviews | 87.5% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | **Monthly** | Every 5 weeks |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 263 MB | 46 MB |
| Requires iOS | 15.0 | **13** |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [iDaily Corp.](https://appshunter.io/developer/364264742) | [Fargoo Technology Co., Ltd.](https://appshunter.io/developer/1787235763) |

## 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 (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


### 无人机考试题库

[App page](https://appshunter.io/ios/app/caac-drone-quiz/id6740687111)

Prepare for drone pilot certification exams with a comprehensive question bank. Features real-time updates, diverse practice modes, clear explanations, and simulated exams to ensure you pass.

**Highlights:** Real-time question bank updates, Multi-dimensional online practice, Clear and concise explanations, Simulated exam environment, Covers 2026 exam key points

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 地面站实战VIP | $2.99 | one-time |
| 无人机VIP | $8.99 | 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 无人机考试题库 free?

无人机考试题库 is free to download, with in-app purchases available.

### Which has better reviews, 倒数日 · Days Matter or 无人机考试题库?

无人机考试题库 is rated higher. 倒数日 · Days Matter averages 4.8 out of 5 from 8.3K ratings, while 无人机考试题库 averages 5.0 from 6 ratings.

### Do 倒数日 · Days Matter or 无人机考试题库 have ads?

倒数日 · Days Matter shows ads; 无人机考试题库 does not.

### Which is updated more often, 倒数日 · Days Matter or 无人机考试题库?

倒数日 · Days Matter ships an update monthly, and 无人机考试题库 every 5 weeks. Most recently, 倒数日 · Days Matter was updated on November 4, 2026 and 无人机考试题库 on October 30, 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.*