# 打卡7 vs pdf转换器

The clearest difference is price: pdf转换器 at Free against 打卡7's $0.29. pdf转换器 also leads on update cadence (every 2 weeks vs every 7 months) and device support (3 vs 1). 打卡7's advantage is in-app purchases (none vs 2). On ads there is nothing between them.

pdf转换器 is free to download; 打卡7 costs $0.29 up front. pdf转换器 sells 2 in-app purchases, starting at $2.99 per 3 months. 打卡7 asks for nothing beyond the download.

打卡7 ships an update every 7 months, pdf转换器 every 2 weeks. The most recent releases landed on October 8, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | 打卡7 | pdf转换器 |
| --- | --- | --- |
| Price | $0.29 | **Free** |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/7/id1589419563/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 2 weeks** |
| Monetization | Paid | — |
| Size | 2 MB | 46 MB |
| Requires iOS | 17.0 | **11.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [野 匡](https://appshunter.io/developer/819954894) | [Shanghai Yuanlai Infomation Technology Co., Ltd.](https://appshunter.io/developer/958193889) |

## What reviewers say

### 打卡7

[App page](https://appshunter.io/ios/app/7/id1589419563)

This app helps users build positive habits with a minimalist design and simple operations. It allows for personalized task creation, daily check-ins with notes and images, and visual progress tracking.

**Highlights:** Personalized habit creation, Daily check-ins with notes and images, Visual progress tracking (image wall), Weekly progress overview, Time-ordered task list

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

**In-app purchases:** none


### pdf转换器

[App page](https://appshunter.io/ios/app/pdf/id1626680966)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 升级为会员 | $2.99 | per 3 months |
| 升级为超级会员 | $3.99 | per 3 months |


## Frequently asked questions

### Is 打卡7 free?

打卡7 costs $0.29, with no in-app purchases.

### Is pdf转换器 free?

pdf转换器 is free to download, with in-app purchases available.

### Do 打卡7 or pdf转换器 have ads?

Neither 打卡7 nor pdf转换器 shows ads.

### Which is updated more often, 打卡7 or pdf转换器?

打卡7 ships an update every 7 months, and pdf转换器 every 2 weeks. Most recently, 打卡7 was updated on October 8, 2026 and pdf转换器 on September 18, 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.*