Comparison

PDF Reader vs 交你飞

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

Head to head

PDF Reader

Support PDF, chm, ePub, mobi

Free

📚 Books

★ 4.98 ratingsView app →

About

PDF Reader

This app allows you to read various document formats like PDF, EPUB, and CHM on your iPhone and iPad. It supports file import, text search, annotation, and even previewing MS Office files and videos. A simple to-do list and auto-save reading progress are also included.

Highlights

Reads PDF, CHM, EPUB, TXT files
PDF annotation and text search
File import via Files, Airdrop, iTunes, web
MS Office and video file preview
Simple To-Do list functionality
Auto-save reading progress

Features

Read full description

PDF Reader - Mini Version is an amazing reader App on iPhone and iPad Main Fatures: 1. support read pdf、chm、epub、txt file 2. support pdf annotation and text search 3. support import file via Files、Airdrop、iTunes、web browser 4. support MS office Word、Excel、PPT、Video and many other file types preview 5. support simple Todo list 6. support auto save reading progress 7. support Baidu Net Disk

About

交你飞

Features

Read full description

交你飞——航空相关知识服务内容APP 内容由上海交通大学出版社权威提供，为行业、学校提供优质的专业领域知识内容资源，实现全方位的多媒体出版和传播，为行业赋能。本App由上海交通大学出版社联手航多航空、阅门户倾情打造。【联系我们】 e-mail：service@readoor.cn

Screenshots

PDF Reader3 screens

交你飞4 screens

Verdict

The call

The clearest difference is update cadence: PDF Reader at every 3 weeks against 交你飞'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. PDF Reader sells 5 one-off in-app purchases and 交你飞 sells 5 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

PDF Reader ships an update every 3 weeks, 交你飞 every 2 months. The most recent releases landed on October 8, 2026 and September 22, 2026 respectively.

Scorecard1 real difference · 9 level

PDF Reader versus 交你飞: the parameters behind the verdict, then further details
Parameter	PDF Reader	交你飞
Price	Free	Free
Rating	4.9 (8 ratings) — better	—
Positive reviews	71.4% of reviews	—
Number of ratings	8 — better	—
Update frequency	Every 3 weeks — better	Every 2 months
Ads	No	No
In-app purchases	Yes	Yes
Monetization	Free with in-app purchases	—
Devices	iPhone, iPad, iPod	iPhone, iPad, iPod
Requires iOS	12.0	12.0
Further details — not scored
Size	50 MB	51 MB
Age rating	4+	4+
Developer	绪强任	上海交通大学出版社有限公司

In-app purchases

5 purchases

PDF Reader

One-time5

Reader App donate$0.99
Dropbox Support$0.99
Remove Ad$4.99

Show 2 more

Todo donate$7.99
Todo donate$14.99

5 purchases

交你飞

One-time5

1阅读币$0.99
108阅读币$14.99
128阅读币$19.99

Show 2 more

268阅读币$39.99
588阅读币$79.99

Questions

Is PDF Reader free?

PDF Reader is free to download, with in-app purchases available.

Is 交你飞 free?

交你飞 is free to download, with in-app purchases available.

Do PDF Reader or 交你飞 have ads?

Neither PDF Reader nor 交你飞 shows ads.

Which is updated more often, PDF Reader or 交你飞?

PDF Reader ships an update every 3 weeks, and 交你飞 every 2 months. Most recently, PDF Reader was updated on October 8, 2026 and 交你飞 on September 22, 2026.