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Cubox: AI Read-It-Later App

Cubox: AI Read-It-Later App

Save Once. Know Forever.

239 ratings
133 reviews
🔧 Utilities
📊 Productivity
Free
In-App Purchases

Details

Released
March 3, 2017
Updated
November 5, 2026

Features

Developer

Odd Lab
✨Promote your app ✨
Cubox: AI Read-It-Later App screenshot #1 for iPhone
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Cubox: AI Read-It-Later App screenshot #7 for iPhone
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About

This app helps you save articles, newsletters, and web content for later reading. It uses AI to summarize, connect topics, and answer questions from your saved materials, transforming them into a personal knowledge base. Organize, read immersively, and sync across devices.

✓Seamless content collection from various sources
✓AI-powered text summarization and topic linking
✓Immersive reading with customizable themes
✓Voice and natural language AI querying
✓Integration with Obsidian, Notion, and Readwise
✓Export to Markdown, HTML, or PDF
Show original description

What users say about Cubox

Reviews of Cubox are mixed: the Productivity app is rated 4.4/5 from 239 App Store ratings. What users like most: efficient and fast app, versatile and feature-rich. Top complaints: frequent crashes and bugs, privacy concerns around data storage. Summarized from real user reviews.

Positive things

  • 🚀Efficient and fast app
  • 👍Versatile and feature-rich
  • 💡Innovative AI-powered features
  • 🗂️Excellent organization and tagging capabilities
  • 📚Seamless integration with various content sources

Negative things

  • 🐛Frequent crashes and bugs
  • 🔒Privacy concerns around data storage
  • 💰Expensive subscription model
  • 📱Limited functionality on mobile devices
  • 🌐Lack of full English language support
See all reviews
+2

What's New in Cubox

8.4.1

November 5, 2026

* Full support for iPhone Duo. We’ve optimized layouts across lists, the reader, annotations, search, and settings to accommodate foldable layouts, safe areas, and the side status bar, for a smooth experience in every configuration. * Fixed an issue where large titles could disappear. * Fixed an issue that could cause the app to crash when searching. * Fixed an issue where the Translate option could be missing after selecting text in the reader. * Various other usability improvements and bug fixes.

More
11

Subscriptions & In-App Purchases

Cubox Pro - Monthly

Get unlimited storage and all features.

$3.991 Month
How to cancel Cubox subscription ⁉️

Events

Read more about Themes, Reimagined
Event EndedMajor Update

Themes, Reimagined

New themes blend beautifully with Liquid Glass.

Sep 11, 2026 — Oct 12, 2026

Read More

Read more about Cubox x FlowUs 夏日读写季
Event EndedSpecial Event

Cubox x FlowUs 夏日读写季

同步阅读和标注到 FlowUs，深入你的创作

Aug 9, 2026 — Aug 31, 2026

Read More

Read more about Cubox CLI
Event EndedMajor Update

Cubox CLI

Your reading, now usable with AI.

Apr 21, 2026 — May 22, 2026

Read More

See All

User reviews

Most RecentHighest RatedLowest Rated

小红书无法解析

已经用了很久了，喜欢将小红书的帖子直接解析为图文长文模式，这个功能从前段时间某天开始完全不能使用了，解析出来的内容不再包含图片，而且标题和内容也很随机乱码……
Kkatheiain

CLI doesn’t work; upload doesn’t work from desktop; constantly a security threat

The newsletter feature didn’t work for me as described; the helper function doesn’t work; considering its safari extension is always asking for access to everything in addition to the fact that its terms and conditions expressly state that you have no right to any privacy in your information if such information would violate Chinese laws, I uninstalled and stopped using it despite having paid for a full year subscription
Show more
SSefflaTheGeffla

i wanted to like it

seems to have a terrific use case but does not work on ios with file attachments; worse, app support provides zero… support
Mmgnicholls

TTS for 5 Stars

The not-a-pocket replacement I didn’t know I needed. Local TTS functionality would put it clear of all others.
OOlusheyman

Unbelievable App

Easily one of the top 5 second brain apps on the market and may very well be the best overall productivity tool
JGJohnny Guierrmo
See 128 more reviews

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Read more about 从收藏到掌握，其实并不远

从收藏到掌握，其实并不远

May 28, 2026

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User experience

🐞

Reported Bugs

5 issues

Inability to import or view PDF files

Bug

Inconsistent behavior across platforms

Bug

Login and account issues for some users

Bug

Sync and data loss problems

Bug

Compatibility issues with newer iOS versions

Bug
✨

Requested Features

5 requests

Offline note editing capabilities

Feature

Support for more file types (e.g., PDFs, EPUBs)

Feature

Customizable themes and UI options

Feature

Improved search and filtering functionalities

Feature

Family/team sharing and collaboration features

Feature

FAQ

What is Cubox?

Cubox is an AI-powered read-it-later app designed to help you save, organize, and understand content. It transforms your saved articles and materials into a growing knowledge asset with features like AI summarization and topic connections.

Can I use Cubox for free?

Yes, Cubox offers free usage with basic features. For expanded storage and full AI capabilities, a Pro subscription is available on a monthly or yearly basis.

What AI features does Cubox offer?

Cubox provides AI-powered text summarization, topic linking across articles, personalized knowledge reports, and the ability to ask questions of your entire saved library using voice or natural language.

How does Cubox handle privacy?

Cubox prioritizes user privacy by default, with no social recommendations or algorithmic feeds. Your data remains private unless you choose to share it.

What devices does Cubox support?

Cubox is available on Mac, Apple Watch, iPhone, and iPad, allowing you to access your entire collection seamlessly across devices.

Can I export my saved content from Cubox?

Yes, you can export your content in Markdown, HTML, or PDF formats. Cubox also offers automatic syncing to platforms like Obsidian, Notion, and Readwise.

How often is Cubox updated?

The latest version of Cubox is 8.4.1, and it was last updated on November 5, 2026. This indicates a history of regular updates to improve functionality and reliability.

What are the subscription options for Cubox Pro?

Cubox Pro offers monthly and annual subscription plans. Pricing details include options like $1.99/month, $2.99/month for Pro+AI, and $14.99/year for Pro.