Comparison

謀殺天后密室 vs ReadGrow

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

Head to head
About

謀殺天后密室

Features
Read full description

「謀殺天后」阿嘉莎.克莉絲蒂是金氏世界紀錄「人類史上最暢銷的書籍作家」,作品被譯成103種語言。她擅長營造懸疑推理的氛圍,以精心設計的故事情節、抽絲剝繭的心理分析和解謎手法,開拓推理寫作新視野。除聖經及莎士比亞之外,克莉絲蒂推理小說「全球狂銷二十餘億冊」的紀錄迄今仍然無出其右,全球每三到四人之中,就有一人讀過克莉絲蒂。 遠流斥資開發全球獨家「謀殺天后密室APP」,希望在新媒體的世界中,讓推理女王克莉絲蒂的經典作品,也能跟著新舊讀者一起進化。謀殺天后密室APP匯集了【克莉絲蒂繁體中文版20週年紀念珍藏】全套80冊電子書,視覺上,以經典羊皮紙質感介面呈現;功能上,支援跨載具離線閱讀(適用手機、平板)、切換配色與字型、畫線註記、書籤紀錄、閱讀時數紀錄等功能。 除了電子書外,更有首次為謀殺天后製作的「密室之聲」名家導聆主題節目,由臺灣推理作家協會理事長冬陽,與臺灣犯罪小說家蕭瑋萱共同主持,邀請不同領域的推理愛好者,一起深入謀殺天后的密室,循聲探索克莉絲蒂在書中佈下的各式謎題、詭計與陷阱。想知道東野圭吾的哪一本小說是在向克莉絲蒂致敬嗎?想知道克莉絲蒂著名的「失蹤事件」真相嗎?從最入門到最硬核的主題,盡在「密室之聲」。

About

ReadGrow

Read full description

ReadGrow is a book-centered reading companion designed for readers who want to retain more from every book they read. Whether you're reading fiction, nonfiction, books in your native language, or books in English, ReadGrow helps you track your reading journey, capture your thoughts, and keep your books, reading progress, and notes together in one place. For readers enjoying books in English, ReadGrow also includes built-in vocabulary collection with automatic IPA pronunciation and definitions, making it easy to expand your vocabulary naturally through reading while preserving the journey of every book you read.

Screenshots

謀殺天后密室4 screens
ReadGrow4 screens

Verdict

The call

The clearest difference is update cadence: ReadGrow at every 4 days against 謀殺天后密室's every 6 weeks. 謀殺天后密室's advantage is device support (3 vs 1) and iOS requirement (14.0 vs 16.0). On price, ads and in-app purchases 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. 謀殺天后密室 sells 2 one-off in-app purchases and ReadGrow sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

謀殺天后密室 ships an update every 6 weeks, ReadGrow every 4 days. The most recent releases landed on October 27, 2026 and October 31, 2026 respectively.

Scorecard3 real differences · 3 level
謀殺天后密室 versus ReadGrow: the parameters behind the verdict, then further details
Parameter謀殺天后密室ReadGrow
PriceFreeFree
Update frequencyEvery 6 weeksEvery 4 days — better
AdsNoNo
In-app purchasesYesYes
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS14.0 — better16.0
Further details — not scored
Size48 MB17 MB
Age rating12+4+
Developer遠流出版公司Chih-Yen Kuo

In-app purchases

2 purchases

謀殺天后密室

One-time2
  • 東方快車謀殺案$8.99
  • 羅傑艾克洛命案$8.99
1 purchases

ReadGrow

One-time1
  • Aged Pu-erh$5.99

Questions

Is 謀殺天后密室 free?
謀殺天后密室 is free to download, with in-app purchases available.
Is ReadGrow free?
ReadGrow is free to download, with in-app purchases available.
Do 謀殺天后密室 or ReadGrow have ads?
Neither 謀殺天后密室 nor ReadGrow shows ads.
Which is updated more often, 謀殺天后密室 or ReadGrow?
謀殺天后密室 ships an update every 6 weeks, and ReadGrow every 4 days. Most recently, 謀殺天后密室 was updated on October 27, 2026 and ReadGrow on October 31, 2026.

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