# 时间印记 vs 纸纹验货

The clearest difference is in-app purchases: 纸纹验货 at none against 时间印记's 3. 纸纹验货 also leads on iOS requirement (13.0 vs 15.0). 时间印记's advantage is update cadence (every 8 days vs every 6 weeks). On price, ads and device support there is nothing between them.

Both are free to download. 时间印记 sells 3 in-app purchases, starting at $1.99 per month. 纸纹验货 asks for nothing beyond the download.

时间印记 ships an update every 8 days, 纸纹验货 every 6 weeks. The most recent releases landed on October 17, 2026 and September 26, 2026 respectively.

## The numbers

| Metric | 时间印记 | 纸纹验货 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 8 days** | Every 6 weeks |
| Size | 74 MB | 4 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 12+ | 4+ |
| Developer | [孔目湖(北京)科技有限公司](https://appshunter.io/developer/1716853334) | [Sinosun Technology Co., Ltd.](https://appshunter.io/developer/1057843170) |

## What reviewers say

### 时间印记

[App page](https://appshunter.io/ios/app/id6473602967)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 按月订阅 | $1.99 | per month |
| 按年订阅 | $4.99 | per year |
| 永久使用 | $12.99 | one-time |


### 纸纹验货

[App page](https://appshunter.io/ios/app/id6754551473)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 时间印记 free?

时间印记 is free to download, with in-app purchases available.

### Is 纸纹验货 free?

纸纹验货 is free to download, with no in-app purchases.

### Do 时间印记 or 纸纹验货 have ads?

Neither 时间印记 nor 纸纹验货 shows ads.

### Which is updated more often, 时间印记 or 纸纹验货?

时间印记 ships an update every 8 days, and 纸纹验货 every 6 weeks. Most recently, 时间印记 was updated on October 17, 2026 and 纸纹验货 on September 26, 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.*