Comparison

LinkBrief vs CA3

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

Head to head
About

LinkBrief

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# LinkBrief A convenient app for users who don't have time to browse web pages immediately. Users can copy and save web links to this app for later reading, with AI-powered summarization to generate quick overviews of saved content. ## Features - Save web links for later reading - AI-powered content summarization - Quick overview generation - Offline access to saved links

About

CA3

Features
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CA3 is your personal AI memory workspace on iPhone. Use the app to read, search, and manage the notes stored in your CA3 workspace. Notes can include Markdown content, source metadata, publishing state, revision history, and attachments. CA3 also includes iOS integrations for capturing useful context while you work: - Save text, links, screenshots, or a photo from other apps with the CA3 Share Extension. - Extract text from a shared image on device and keep it with the image in one searchable note. - Clip Safari pages with the bundled Safari extension. - Preview extracted page content before saving. - Save source URL, title, site metadata, Markdown body, and selected page images. - Open and review saved notes in the CA3 app. - Sign in with CA3 OAuth using scoped access. CA3 is designed for user-owned memory. It does not automatically read browsing content or photos in the background. Safari page content is accessed only when you open the extension or use one of its clipping actions, and shared content is processed only when you invoke the share sheet. Text recognition for a shared image runs on device; the image and resulting note are uploaded to your CA3 workspace only after you tap Save.

Screenshots

LinkBrief2 screens
CA34 screens

Verdict

The call

The clearest difference is iOS requirement: LinkBrief at 13.0 against CA3's 15.1. 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. Neither carries in-app purchases, so what you see is what you pay.

Scorecard1 real difference · 5 level
LinkBrief versus CA3: the parameters behind the verdict, then further details
ParameterLinkBriefCA3
PriceFreeFree
Update frequency—Every 2 days
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPad, iPod, MaciPhone, iPad, iPod, Mac
Requires iOS13.0 — better15.1
Further details — not scored
Size20 MB56 MB
Age rating4+4+
Developer晨鹏 林Hangzhou Enactflow Technology Co., Ltd

In-app purchases

None

LinkBrief

No in-app purchases

None

CA3

No in-app purchases

Questions

Is LinkBrief free?
LinkBrief is free to download, with no in-app purchases.
Is CA3 free?
CA3 is free to download, with no in-app purchases.
Do LinkBrief or CA3 have ads?
Neither LinkBrief nor CA3 shows ads.

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