Comparison

知拾收藏 vs 迅疾PDF转换器

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head

永久备份wx聊天记录

About

知拾收藏

Features

Read full description

Knowledge collection assistant - WeChat collection partner Support to display WeChat's favorite text picture voice video file location rich format.

About

迅疾PDF转换器

This app facilitates rapid conversion between PDF and various document formats, including Word, JPG, PPT, and Excel. Its stable core ensures accurate conversions without data loss, catering to diverse user needs.

Highlights

PDF to Word conversion
PDF to JPG conversion
PDF to PPT conversion
PDF to Excel conversion
Word to PDF conversion
Image to PDF conversion
Accurate conversion results

Features

Read full description

我们应用可以快速完成PDF转换Word、JPG图片、PPT、Excel，以及Word、PPT、图片、Excel转PDF在内的多种文件格式的相互转换，专业稳定的内核处理使转换结果不会出现乱码、内容丢失等现象，满足不同用户的处理需求。支持PDF与Word、PPT、Excel、图片等文件的互转；完美支持PDF转Word|PDF转PPT|PDF转xlsx|PDF转图片|PDF转TXT等。

Screenshots

知拾收藏4 screens

迅疾PDF转换器3 screens

Verdict

The call

The clearest difference is update cadence: 知拾收藏 at every 2 weeks against 迅疾PDF转换器's every 2 months. On price, ads, in-app purchases and device support there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. 知拾收藏 sells 1 in-app purchase, starting at $17.49 per year and 迅疾PDF转换器 sells 2 in-app purchases, starting at $3.49 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

知拾收藏 ships an update every 2 weeks, 迅疾PDF转换器 every 2 months. The most recent releases landed on October 25, 2026 and October 24, 2026 respectively.

Scorecard1 real difference · 7 level

知拾收藏 versus 迅疾PDF转换器: the parameters behind the verdict, then further details
Parameter	知拾收藏	迅疾PDF转换器
Price	Free	Free
Positive reviews	—	100.0% of reviews
Update frequency	Every 2 weeks — better	Every 2 months
Ads	Yes	Yes
In-app purchases	Yes	Yes
Monetization	—	Free with in-app purchases
Devices	iPhone, iPad, iPod — better	iPhone, iPod
Requires iOS	12.0 — better	13.0
Further details — not scored
Size	55 MB	32 MB
Age rating	4+	4+
Developer	俊杰黄	进韬张

In-app purchases

1 purchases

知拾收藏

Subscriptions1

知拾收藏小绿叶高级版3 Days trial$17.491 Year

2 purchases

迅疾PDF转换器

Subscriptions2

PDF转换器高级月费订阅3 Days trial$3.491 Month
PDF转换器高级年费订阅3 Days trial$9.991 Year

Questions

Is 知拾收藏 free?

知拾收藏 is free to download, with in-app purchases available.

Is 迅疾PDF转换器 free?

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

Do 知拾收藏 or 迅疾PDF转换器 have ads?

Both 知拾收藏 and 迅疾PDF转换器 show ads.

Which is updated more often, 知拾收藏 or 迅疾PDF转换器?

知拾收藏 ships an update every 2 weeks, and 迅疾PDF转换器 every 2 months. Most recently, 知拾收藏 was updated on October 25, 2026 and 迅疾PDF转换器 on October 24, 2026.