Comparison

Nutstore vs CAJ阅读器

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

Head to head
About

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.

Highlights
  • 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
Features
Read full description

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

About

CAJ阅读器

This app is a professional reader for CAJ documents, supporting academic papers, journals, and magazines. It also offers conversion tools to transform CAJ files into Word or PDF, and handles various PDF format conversions with other office documents.

Highlights
  • CAJ document viewing
  • CAJ to Word conversion
  • CAJ to PDF conversion
  • PDF to Office file conversion
  • Supports academic papers and journals
Features
Read full description

CAJ全文浏览阅读器! 专业CAJ文档阅读器,可用于报刊、文献、杂志、论文等的阅读软件。 还支持caj格式转换,快速将CAJ转成Word、CAJ转成PDF; 还支持PDF格式转换,支持多种PDF格式与word、excel、ppt等文件格式互转。 会员订阅: 订阅价格为每年88元、每月18元,免费试用3天,到期自动续费。 订阅会自动续订,除非在当前期间结束前至少24小时关闭自动续订;帐户将在当前期间结束前24小时内收取续订费用,并确定续订费用 订阅可以由用户管理,并且可以在购买后转到用户的AppStore帐户设置来关闭自动续订 隐私条款:https://blog.csdn.net/m0_74390048/article/details/130128465 使用条款:https://blog.csdn.net/m0_74390048/article/details/130128542

Screenshots

Nutstore4 screens
CAJ阅读器3 screens

Verdict

The call

Nutstore and CAJ阅读器 both sit at 4.7 stars, but that hides the real split: 89% of Nutstore's written reviews are positive against 0% of CAJ阅读器's. Nutstore also leads on ratings volume (431 vs 10). CAJ阅读器's advantage is update cadence (every 11 days vs monthly) and iOS requirement (11.0 vs 15.0). On price, rating, 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. Nutstore sells 2 in-app purchases, starting at $34.99 per year and CAJ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.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.7 for Nutstore against 4.6 for CAJ阅读器. That said, the two scores are not equally well evidenced: Nutstore has 431 ratings behind it against 10, so its average is the more settled of the two. Written reviews are what separate them: 89% of Nutstore's written reviews are positive against 0% of CAJ阅读器's.

UpkeepUpdate frequency

Nutstore ships an update monthly, CAJ阅读器 every 11 days. The most recent releases landed on October 15, 2026 and October 5, 2026 respectively.

Scorecard4 real differences · 6 level
Nutstore versus CAJ阅读器: the parameters behind the verdict, then further details
ParameterNutstoreCAJ阅读器
PriceFreeFree
Rating4.7 (431 ratings) — better4.6 (10 ratings)
Positive reviews89.2% of reviews — better0.0% of reviews
Number of ratings431 — better10
Update frequencyMonthlyEvery 11 days — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFreemium
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.011.0 — better
Further details — not scored
Size108 MB45 MB
Age rating4+4+
DeveloperYicun Network Technology Co. Ltd.Light Speed Intelligence Technology Co., Ltd.

Customer experience

Nutstore

All ratings431 ratings
Positive94.0%
Neutral1.4%
Negative4.6%
Written reviews111 reviews
Positive89.2%
Neutral1.8%
Negative9.0%

CAJ阅读器

All ratings10 ratings
Positive90.0%
Neutral0.0%
Negative10.0%
Written reviews1 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

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
Show 3 more
  • Auto-sync bookmarks between browsers
  • Support multiple synchronized folders in macOS version
  • Expand bandwidth partnerships with ISPs

CAJ阅读器

Not enough reviews yet to summarise bugs or requests.

In-app purchases

2 purchases

Nutstore

Subscriptions2
  • Nutstore Pro for One Year$34.991 Year
  • Nutstore Advanced Pro for One Year$69.991 Year
3 purchases

CAJ阅读器

Subscriptions2
  • 月会员3 Days trial$2.991 Month
  • 年会员3 Days trial$12.991 Year
One-time1
  • 永久会员$14.99

Questions

Is Nutstore free?
Nutstore is free to download, with in-app purchases available.
Is CAJ阅读器 free?
CAJ阅读器 is free to download, with in-app purchases available.
Which has better reviews, Nutstore or CAJ阅读器?
Nutstore is rated higher. Nutstore averages 4.7 out of 5 from 431 ratings, while CAJ阅读器 averages 4.6 from 10 ratings.
Do Nutstore or CAJ阅读器 have ads?
Neither Nutstore nor CAJ阅读器 shows ads.
Which is updated more often, Nutstore or CAJ阅读器?
Nutstore ships an update monthly, and CAJ阅读器 every 11 days. Most recently, Nutstore was updated on October 15, 2026 and CAJ阅读器 on October 5, 2026.

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