# Days Master vs 倒计时器

The clearest difference is in-app purchases: Days Master at none against 倒计时器's 10. Days Master also leads on ads (none vs shown) and iOS requirement (10.0 vs 12.0). On price, update cadence and device support there is nothing between them.

Both are free to download. 倒计时器 sells 10 one-off in-app purchases. Days Master asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on October 6, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Days Master | 倒计时器 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (3 ratings)](https://appshunter.io/ios/app/days-master-countdown-widget/id1212022220/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 81.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Monetization | Free | — |
| Size | 26 MB | 77 MB |
| Requires iOS | **10.0** | 12.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Zhenlai Xia](https://appshunter.io/developer/1435731218) | [Changsha Gengyun Network Technology Co., Ltd](https://appshunter.io/developer/1498713734) |

## What reviewers say

### Days Master

[App page](https://appshunter.io/ios/app/days-master-countdown-widget/id1212022220)

Track important dates with a simple utility. Calculate days remaining until future events or days passed since past milestones. It helps you remember anniversaries, holidays, and personal achievements.

**Highlights:** Countdown to future events, Count days since past events, Track important dates, Personalized event tracking, Simple and intuitive interface

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

**In-app purchases:** none


### 倒计时器

[App page](https://appshunter.io/ios/app/id1580529007)

**Features:** macOS Compatibility

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 倒计时产品一 | $0.99 | one-time |
| 倒计时产品二 | $1.99 | one-time |
| 倒计时产品三 | $4.99 | one-time |
| 倒计时产品四 | $7.99 | one-time |
| 倒计时产品五 | $12.99 | one-time |
| 倒计时产品六 | $20.99 | one-time |
| One Month Vip | $28.00 | one-time |
| One Year Vip | $32.00 | one-time |
| One Month Pro | $58.00 | one-time |
| One Year Vip Pro | $66.00 | one-time |


## Frequently asked questions

### Is Days Master free?

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

### Is 倒计时器 free?

倒计时器 is free to download, with in-app purchases available.

### Do Days Master or 倒计时器 have ads?

倒计时器 shows ads; Days Master does not.

### Which is updated more often, Days Master or 倒计时器?

Days Master ships an update every 3 weeks, and 倒计时器 every 3 weeks. Most recently, Days Master was updated on October 6, 2026 and 倒计时器 on October 7, 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.*