# 时间相机 vs 印章生成器

The clearest difference is device support: 印章生成器 at 3 against 时间相机's 1. 印章生成器 also leads on iOS requirement (12.0 vs 16.0). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. 时间相机 sells 3 in-app purchases, starting at $3.99 per 7 days and 印章生成器 sells 1 in-app purchase, starting at $4.99 per 7 days. Whichever you choose, the download price is not the number that matters.

时间相机 ships an update monthly, 印章生成器 every 3 weeks. The most recent releases landed on October 30, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | 时间相机 | 印章生成器 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Every 3 weeks** |
| Monetization | Free with in-app purchases | — |
| Size | 30 MB | 48 MB |
| Requires iOS | 16.0 | **12.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [晓林 王](https://appshunter.io/developer/1643293359) | [镔宁 余](https://appshunter.io/developer/1828083745) |

## What reviewers say

### 时间相机

[App page](https://appshunter.io/ios/app/id6480400344)

This app allows users to add custom watermarks to photos, including time, weather, and location details. It offers various templates for work, travel, and daily use, along with an AI assistant for report generation and a toolbox for engineering calculations.

**Highlights:** Customizable photo watermarks, Time, weather, and location stamps, Industry-specific templates, AI-powered report generation, Engineering toolbox, One-click sharing

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 打卡相机周订阅 | $3.99 | per 7 days |
| 打卡相机月订阅 | $6.99 | per month |
| 打卡相机年订阅 | $14.99 | per year |


### 印章生成器

[App page](https://appshunter.io/ios/app/id6752987494)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 限时特惠 | $4.99 | per 7 days |


## Frequently asked questions

### Is 时间相机 free?

时间相机 is free to download, with in-app purchases available.

### Is 印章生成器 free?

印章生成器 is free to download, with in-app purchases available.

### Do 时间相机 or 印章生成器 have ads?

Neither 时间相机 nor 印章生成器 shows ads.

### Which is updated more often, 时间相机 or 印章生成器?

时间相机 ships an update monthly, and 印章生成器 every 3 weeks. Most recently, 时间相机 was updated on October 30, 2026 and 印章生成器 on November 5, 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.*