Comparison

知言阅读 vs KeyReader

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

Head to head

Read, translate & learn words

Free

📚 Books

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About

知言阅读

Features

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英文原版书阅读神器。

About

KeyReader

Features

Read full description

Read your own books and understand every word Import your books and read in a foreign language with ease. Tap any word to translate instantly, save new words as flashcards, and explore each chapter through guided questions. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

知言阅读4 screens

KeyReader4 screens

Verdict

The call

The clearest difference is in-app purchases: 知言阅读 at none against KeyReader's 3. 知言阅读 also leads on device support (3 vs 1) and iOS requirement (13.0 vs 18.0). On price and ads 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. KeyReader sells 3 in-app purchases, starting at $2.99 per month. 知言阅读 asks for nothing beyond the download.

Scorecard3 real differences · 3 level

知言阅读 versus KeyReader: the parameters behind the verdict, then further details
Parameter	知言阅读	KeyReader
Price	Free	Free
Update frequency	—	Every 3 weeks
Ads	No	No
In-app purchases	No — better	Yes
Devices	iPhone, iPad, iPod — better	iPhone
Requires iOS	13.0 — better	18.0
Further details — not scored
Size	44 MB	7 MB
Age rating	4+	4+
Developer	勤袁	Oleg Strigunov