# 天数倒计时 vs Apopo

The clearest difference is ads: Apopo at none against 天数倒计时's shown. Apopo also leads on update cadence (fortnightly vs every 4 months). 天数倒计时's advantage is iOS requirement (15.0 vs 17.0). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

天数倒计时 ships an update every 4 months, Apopo fortnightly. The most recent releases landed on November 6, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | 天数倒计时 | Apopo |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 4 months | **Fortnightly** |
| Size | 19 MB | 75 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [志雄 黄](https://appshunter.io/developer/1877111087) | [Wuhan Nightingales Tech Co., Ltd.](https://appshunter.io/developer/1893221962) |

## What reviewers say

### 天数倒计时

[App page](https://appshunter.io/ios/app/id6760404147)

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

**In-app purchases:** none


### Apopo

[App page](https://appshunter.io/ios/app/apopo/id6783599163)

**In-app purchases:** none


## Frequently asked questions

### Is 天数倒计时 free?

天数倒计时 is free to download, with no in-app purchases.

### Is Apopo free?

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

### Do 天数倒计时 or Apopo have ads?

天数倒计时 shows ads; Apopo does not.

### Which is updated more often, 天数倒计时 or Apopo?

天数倒计时 ships an update every 4 months, and Apopo fortnightly. Most recently, 天数倒计时 was updated on November 6, 2026 and Apopo on October 31, 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.*