Comparison

Cubox vs Capsule Notes

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

Head to head
About

Cubox

This app helps you save and organize articles, newsletters, and web content for later. It uses AI to summarize, connect topics, and answer questions about your saved materials, transforming them into a personal knowledge base. Access your content across devices and export it in various formats.

Highlights
  • Seamless content collection
  • AI text-to-speech
  • Ad-free reading view
  • Auto-summarization
  • AI topic linking
  • Custom AI Library Insight
  • Cross-device syncing
Features
Read full description

Cubox is your AI read-it-later app. Save once, know forever. Cubox helps you recall and make sense of what matters. Every day, we save articles and materials we want to read later — but often never get back to them. Over time, they pile up unread, unorganized, and eventually forgotten. Cubox has been dedicated to building a reading tool designed to stand the test of time: seamless collecting, immersive reading, and AI-powered understanding that continuously transforms your saved content into growing knowledge assets. What can Cubox do for you? Save and Read - Collect content from newsletters, websites, apps, and more — all in one place - One-tap AI text-to-speech with multiple natural voices and reading styles - Clean reading view with ad-free parsing and permanent snapshots - Immersive reading with customizable themes and fonts - Highlight important excerpts and record your thoughts - Review highlights anytime with widgets and reminders AI-Powered Reading - Auto-summarize key points to quickly clear unread items and prioritize important content - Build topic connections across articles with AI-powered linking - Generate personalized knowledge reports and recommendations through Custom AI Library Insight - Ask questions with voice or natural language, and get instant AI-powered answers from your entire library Sharing and Privacy - No social recommendations or algorithmic feeds — your data remains private by default - Share your saved content, highlights, and insights with friends in one click Your Knowledge Asset - Organize your content with nested folders and tags - Access your entire collection seamlessly across devices - Export content in Markdown, HTML, or PDF formats anytime - Sync automatically to Obsidian, Notion, Readwise, and more for multi-platform backups - Import your existing collections from browser bookmarks, Pocket, Instapaper, and continue your reading journey with Cubox Cubox offers both free usage and Pro subscriptions, unlocking expanded storage and full AI capabilities. Subscriptions are available on a monthly or yearly basis. Payments are charged to your Apple ID account and auto-renew unless canceled at least 24 hours before the end of the billing period. You can manage your subscription anytime in your account settings. Privacy Policy: https://help.cubox.cc/legal/privacy/ Terms of Use (EULA) : https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

Capsule Notes

Features
Read full description

Record voice notes and get instant transcriptions, AI summaries, and action items — all processed on your device. Your data never leaves your phone. FEATURES: • Record voice notes with one tap • Automatic speech-to-text transcription • AI-powered summaries and action item extraction • Support for 12 languages with auto-detection • Timestamped transcript with tap-to-seek • Smart filters: pinned, recent, with actions • Tags: Meeting, Lecture, Idea, Personal, Journal, Work • Export as text, PDF, or audio • Add action items to Reminders • iCloud sync across devices • Adjustable playback speed • Bookmarks during recording PRIVACY FIRST: All transcription and AI processing happens entirely on your device using Apple's on-device speech recognition and Apple Intelligence. No data is ever sent to any server. CAPSULE NOTES PRO: Free users can save up to 5 notes. Upgrade to Pro for unlimited notes with a free 1-week trial. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://ios.nahatakyan.com/legal/capsule-notes-privacy/

Screenshots

Cubox4 screens
Capsule Notes4 screens

Verdict

The call

The clearest difference is update cadence: Cubox at every 11 days against Capsule Notes's every 3 months. Cubox also leads on device support (4 vs 2) and iOS requirement (17.0 vs 26.0). On price, 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. Cubox sells 8 in-app purchases, starting at $1.99 per month and Capsule Notes sells 2 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Cubox ships an update every 11 days, Capsule Notes every 3 months. The most recent releases landed on October 29, 2026 and October 24, 2026 respectively.

Scorecard3 real differences · 7 level
Cubox versus Capsule Notes: the parameters behind the verdict, then further details
ParameterCuboxCapsule Notes
PriceFreeFree
Rating4.4 (237 ratings) — better—
Positive reviews54.9% of reviews—
Number of ratings237 — better—
Update frequencyEvery 11 days — betterEvery 3 months
AdsNoNo
In-app purchasesYesYes
MonetizationFreemium—
DevicesiPhone, iPad, Mac, Apple Watch — betteriPhone, iPad
Requires iOS17.0 — better26.0
Further details — not scored
Size158 MB4 MB
Age rating4+4+
DeveloperOdd LabRuben Nahatakyan

Bugs and requests

Cubox

Reported bugs

5 issues
  • Inability to import or view PDF files
  • Inconsistent behavior across platforms
  • Login and account issues for some users
  • Sync and data loss problems
  • Compatibility issues with newer iOS versions

Requested features

5 requests
  • Offline note editing capabilities
  • Support for more file types (e.g., PDFs, EPUBs)
  • Customizable themes and UI options
  • Improved search and filtering functionalities
  • Family/team sharing and collaboration features

Capsule Notes

Not enough reviews yet to summarise bugs or requests.

In-app purchases

8 purchases

Cubox

Subscriptions8
  • Cubox Pro - Monthly$1.991 Month
  • Cubox Pro+AI Subscription$2.991 Month
  • Cubox Pro - Monthly$3.991 Month
Show 5 more
  • Cubox Pro+AI Monthly$4.991 Month
  • Cubox Pro - Annual$14.991 Year
  • Cubox Pro - Annual$29.991 Year
  • Cubox Pro+AI Annual14 Days trial$29.991 Year
  • Cubox Pro+AI Annual14 Days trial$49.991 Year
2 purchases

Capsule Notes

Subscriptions2
  • Pro Monthly7 Days trial$0.991 Month
  • Pro Yearly7 Days trial$9.991 Year

Questions

Is Cubox free?
Cubox is free to download, with in-app purchases available.
Is Capsule Notes free?
Capsule Notes is free to download, with in-app purchases available.
Do Cubox or Capsule Notes have ads?
Neither Cubox nor Capsule Notes shows ads.
Which is updated more often, Cubox or Capsule Notes?
Cubox ships an update every 11 days, and Capsule Notes every 3 months. Most recently, Cubox was updated on October 29, 2026 and Capsule Notes on October 24, 2026.

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