# 倒数时光 vs 私密相册

The clearest difference is in-app purchases: 倒数时光 at none against 私密相册's 2. 倒数时光 also leads on iOS requirement (10.0 vs 15.6). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. 私密相册 sells 2 in-app purchases, starting at $4.99 per 7 days. 倒数时光 asks for nothing beyond the download.

倒数时光 ships an update every 3 weeks, 私密相册 every 9 days. The most recent releases landed on September 8, 2026 and May 28, 2026 respectively.

## The numbers

| Metric | 倒数时光 | 私密相册 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (2 ratings)](https://appshunter.io/ios/app/id1583526888/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 9 days** |
| Size | 65 MB | 17 MB |
| Requires iOS | **10.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [引量科技](https://appshunter.io/developer/1547214909) | [燕纯 姚](https://appshunter.io/developer/1837441679) |

## What reviewers say

### 倒数时光

[App page](https://appshunter.io/ios/app/id1583526888)

**Features:** macOS Compatibility

**In-app purchases:** none


### 私密相册

[App page](https://appshunter.io/ios/app/and/id6758133322)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 私密相册限时优惠 | $4.99 | per 7 days |
| 私密相册特价优惠 | $19.99 | one-time |


## Frequently asked questions

### Is 倒数时光 free?

倒数时光 is free to download, with no in-app purchases.

### Is 私密相册 free?

私密相册 is free to download, with in-app purchases available.

### Do 倒数时光 or 私密相册 have ads?

Neither 倒数时光 nor 私密相册 shows ads.

### Which is updated more often, 倒数时光 or 私密相册?

倒数时光 ships an update every 3 weeks, and 私密相册 every 9 days. Most recently, 倒数时光 was updated on September 8, 2026 and 私密相册 on May 28, 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.*