Nutstore vs CAJ文献阅读器
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Nutstore
Securely store, sync, and access your files from any device. Organize and share documents, photos, and videos with features like offline access and version history. Offers professional-grade cloud storage with flexible subscription plans.
- Automatic file synchronization across devices
- Offline access via favorite folders
- File sharing with access control
- Incremental backup and version history
- WebDAV protocol support for third-party apps
- Smart file viewer with reading position restore
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Nutstore is a cloud storage service that lets you access your photos, videos, and documents anywhere and anytime. After you install Nutstore on your computer, any file you save to your Nutstore will automatically synchronize to all your Mac, PC and the Nutstore website. WebDAV protocol is well supported so that popular apps, like iWork, GoodReader, notability, Zotero, etc., can read and write files stored in Nutstore. Initiative feature, Favorite Folder, is designed for offline access. All files in the favorite folder will be updated from LAN desktop client, fast and automatically. Then You can access these favorite files anywhere even without network. Nutstore allows you sync any folder. Organize files as your wish and share with friends easily. Nutstore also has other great features: incremental backup, history version restoring, share access control and etc. With the Nutstore app, you can easily access your Nutstore from iPhone and iPad. Features: - Favorite folder for offline access - View Office, PDF, Photos and Multimedia files directly. - Smart file viewer: automatically save and restore file reading position. - Cache opened files for offline access. - Create and edit text file; automatically upload to the server after saving. - Upload/Backup photos, videos and documents to Nutstore. - Easily share files with friends. - Easily access all your files in Nutstore. We offer in-app purchases for "Nutstore Standard Pro" and "Nutstore Advanced Pro" which include unlimited upload and download data transfer, and additional features. The amount will be charged to your iTunes account and will vary by plan and country. You’ll see the total price before completing payment. "Nutstore Standard Pro" and "Nutstore Advanced Pro" are auto-renew subscriptions.The subscriptions are valid for one year. "Nutstore Standard Pro" is $40.99 yearly and "Nutstore Advanced Pro" is $86.99 yearly(pricing may vary in countries other than the U.S.) To avoid renewal, you must turn off auto-renew at least 24 hours before your subscription ends. You can turn off auto-renew at any time from your iTunes account settings. Privacy Policy:http://help.jianguoyun.com/?p=3961 Terms of Service: http://help.jianguoyun.com/?page_id=490
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.
- Read CAJ, NH, KDH formats
- Convert CAJ to PDF
- Convert CAJ to Word
- OCR text recognition
- Import from messaging apps
- Reading history management
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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
Screenshots
Verdict
The clearest difference is review sentiment: Nutstore at 89% against CAJ文献阅读器's 65%. Nutstore also leads on update cadence (monthly vs every 4 months). CAJ文献阅读器's advantage is iOS requirement (12.0 vs 15.0). On price, ads, in-app purchases and monetization model 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
Both are free to download. Nutstore sells 2 in-app purchases, starting at $34.99 per year and CAJ文献阅读器 sells 3 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.
Nutstore ships an update monthly, CAJ文献阅读器 every 4 months. The most recent releases landed on September 24, 2026 and September 16, 2026 respectively.
| Parameter | Nutstore | CAJ文献阅读器 |
|---|---|---|
| Price | Free | Free |
| Rating | 4.7 (431 ratings) — better | — |
| Positive reviews | 89.2% of reviews — better | 65.0% of reviews |
| Number of ratings | 431 — better | — |
| Update frequency | Monthly — better | Every 4 months |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | Freemium |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.0 | 12.0 — better |
| Further details — not scored | ||
| Size | 108 MB | 53 MB |
| Age rating | 4+ | 4+ |
| Developer | Yicun Network Technology Co. Ltd. | Meitian Trading |
Customer experience
Nutstore
CAJ文献阅读器
Bugs and requests
Nutstore
Reported bugs
5 issues- Cannot upload local photos on iPhone 5, 5s, 7 Plus
- App crashes when selecting files to upload from other apps (v5.0.1)
- Large PDF files (>20MB) fail to open with no download indicator
- Sync status information displays incorrectly
- Poor customer support response for technical issues
Requested features
8 requests- Increase free storage capacity to 3GB monthly for uploads/downloads
- Add Face ID authentication option for iOS
- Improve Windows client startup speed
- Add thumbnail preview for image files instead of generic icons
- Increase free version bandwidth for video uploads
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- Auto-sync bookmarks between browsers
- Support multiple synchronized folders in macOS version
- Expand bandwidth partnerships with ISPs
CAJ文献阅读器
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Nutstore
- Nutstore Pro for One Year$34.991 Year
- Nutstore Advanced Pro for One Year$69.991 Year
CAJ文献阅读器
- 月会员$2.991 Month
- 季会员$4.993 Months
- 年会员$7.991 Year









