Comparison

CAJ文献阅读器 vs DeepFocus!

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

Head to head
About

CAJ文献阅读器

This app allows you to easily read and convert CAJ, NH, and KDH document formats, commonly used for academic papers from Chinese academic databases. It supports converting these files to PDF or Word, with OCR capabilities for text extraction from scanned images. You can also import files from messaging apps and manage your reading history.

Highlights
  • Read CAJ, NH, KDH formats
  • Convert CAJ to PDF
  • Convert CAJ to Word
  • OCR text recognition
  • Import from messaging apps
  • Reading history management
Features
Read full description

CAJ文献阅读器可以轻松实现论文文献格式的阅读与转换! 什么是CAJ?如何阅读这种格式呢? CAJ是中国期刊网学术文献的专用文献格式。青藤CAJ阅读器支持从知网等网站下载的CAJ、NH、KDH等格式文件的阅读与转换。 它可以轻松阅读各种论文格式的文件。当撰写时需要引用论文文献时,本软件可以自动文字识别进行复制,即使原始论文中是扫描的图片也可以轻松识别! 软件特点: 1. CAJ格式转PDF: 将CNKI知网等CAJ文件转成PDF后可立刻阅读,可以保持原有格式与质量,大部分可以复制文字。 2. CAJ格式转Word: 转成Word文件,可以高质量地转成Office文档,可以保证所有内容文字可以复制与编辑。 3. 各种论文格式在线离线阅读 支持CAJ、NH、KDH格式文件的在线与离线阅读。 4. 方便外部CAJ文件的搜索与导入 支持从微信QQ等软件导入文件,如果授予设备存储权限,可以搜索本机的文献格式文件,点击即可转换与阅读。 5. 支持阅读记录的收藏 阅读过的论文文献文件可以实时查看,可以随时找到并管理阅读过的文件。 如果您选择购买VIP会员资格,将向您的iTunes帐户支付费用,并且您的帐户将在本期结束前24小时内支付续费。购买后,您可以随时通过在iTunes商店中的设置关闭自动续订。价格以人民币为单位,在中国以外的国家可能会有所不同,如有更改,恕不另行通知。 隐私政策: https://www.zkmeitian.com/page/privacy/qtcajreader 使用协议: https://www.zkmeitian.com/page/agreement/qtcajreader

About

DeepFocus!

Features
Read full description

DeepFocus! is more than just a Pomodoro timer; it's a sanctuary for your focus, breath, and reflection. Moving away from generic templates, we've crafted a "Bright Minimalist" experience that lets the tool fade into the background, leaving only you and your flow. Unique Features: - Zen Visuals: A clean, "Apple-like" aesthetic with bright backgrounds and soft glassmorphism, designed to reduce visual fatigue. - Focus Reflection: After each session, ZenTimer invites you to capture your thoughts. It transforms productivity into a practice of self-awareness. - Pure Flow: No ads, no clutter. Just pure focus with curated ambient sounds and a seamless interface.

Screenshots

CAJ文献阅读器4 screens
DeepFocus!4 screens

Verdict

The call

The clearest difference is update cadence: DeepFocus! at every 4 weeks against CAJ文献阅读器's every 4 months. CAJ文献阅读器's advantage is iOS requirement (12.0 vs 16.1). 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. CAJ文献阅读器 sells 3 in-app purchases, starting at $2.99 per month and DeepFocus! sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

CAJ文献阅读器 ships an update every 4 months, DeepFocus! every 4 weeks. The most recent releases landed on October 9, 2026 and September 21, 2026 respectively.

Scorecard2 real differences · 6 level
CAJ文献阅读器 versus DeepFocus!: the parameters behind the verdict, then further details
ParameterCAJ文献阅读器DeepFocus!
PriceFreeFree
Positive reviews65.0% of reviews—
Update frequencyEvery 4 monthsEvery 4 weeks — better
AdsNoNo
In-app purchasesYesYes
MonetizationFreemium—
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS12.0 — better16.1
Further details — not scored
Size53 MB10 MB
Age rating4+4+
DeveloperMeitian Trading志文 李

In-app purchases

3 purchases

CAJ文献阅读器

Subscriptions3
  • 月会员$2.991 Month
  • 季会员$4.993 Months
  • 年会员$7.991 Year
1 purchases

DeepFocus!

One-time1
  • Premium Member$2.99

Questions

Is CAJ文献阅读器 free?
CAJ文献阅读器 is free to download, with in-app purchases available.
Is DeepFocus! free?
DeepFocus! is free to download, with in-app purchases available.
Do CAJ文献阅读器 or DeepFocus! have ads?
Neither CAJ文献阅读器 nor DeepFocus! shows ads.
Which is updated more often, CAJ文献阅读器 or DeepFocus!?
CAJ文献阅读器 ships an update every 4 months, and DeepFocus! every 4 weeks. Most recently, CAJ文献阅读器 was updated on October 9, 2026 and DeepFocus! on September 21, 2026.

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