Comparison

indxCards vs ThreeNote

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

Head to head
About

indxCards

Capture thoughts and ideas on virtual index cards with a beautiful, lightweight interface. Organize notes with customizable fonts and paper styles, and share them as rich text or PDF. Features on-device AI for dictation and document summarization with complete privacy.

Highlights
  • Virtual index card note-taking
  • Customizable fonts and paper styles
  • Visual thumbnail navigation
  • Share notes as rich text or PDF
  • iCloud sync and backup
  • On-device AI for dictation
  • On-device AI for document summarization
Features
Read full description

The beautiful, lightweight, and easy-to-use notes app for iPhone and iPad — now completely rewritten from the ground up. Inspired by the simplicity of real index cards, indxCards helps you capture thoughts quickly and organize them beautifully. Whether it’s a flash of inspiration, a favorite quote, a recipe, or a to-do list, it’s all just a tap away. Highlights: • Jot down ideas effortlessly on virtual index cards • Choose from a variety of elegant fonts • Select your paper style — lined, squared, or blank • View all notes as visual thumbnails for quick navigation • Share your note or export as a rich text file or as a PDF • Automatically syncs and backs up your notes to iCloud What’s New: • Built-in AI features, all running fully on-device for total privacy • Dictate notes hands-free using your voice • Scan documents directly with your camera and summarize the text instantly with on-device intelligence • Privacy first — no data ever leaves your device. All AI processing happens locally. Rediscover the joy of writing, organizing, and thinking on your iPhone or iPad — all with indxCards.

About

ThreeNote

Features
Read full description

Your Personal Knowledge Forest Tired of scattered notes and disorganized thoughts? TreeNote is here to help you cultivate a thriving ecosystem of ideas. With its intuitive tree-like structure, TreeNote allows you to: Create Hierarchies: Organize your notes in a logical, branching structure. Link Related Concepts: Connect ideas across different branches with ease. Quick Navigation: Zoom in and out of your knowledge tree effortlessly. Mobile-Friendly: Access your ideas anytime, anywhere on your iOS device. Secure: Keep your thoughts safe with local storage. Easy Sharing: Export your data for backup or sharing. Key Features: • Unlimited nested levels for complex hierarchies • Rich text editing for detailed notes • Quick add for rapid idea capture • Search functionality to find information fast • Customizable themes to suit your style Data Export and Backup: • Export your entire database as a SQLite file for comprehensive backups • Generate a human-readable text file of your notes' structure and content • Email both SQLite and text files directly from the app for easy sharing and safekeeping Whether you're a student organizing study materials, a professional managing projects, or a creative mind mapping out stories, TreeNote adapts to your needs. Start planting your ideas today and watch your knowledge grow!

Screenshots

indxCards4 screens
ThreeNote1 screens

Verdict

The call

The clearest difference is update cadence: ThreeNote at daily against indxCards's every 69 months. ThreeNote also leads on iOS requirement (16.6 vs 18.0). 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.

UpkeepUpdate frequency

indxCards ships an update every 69 months, ThreeNote daily. The most recent releases landed on October 23, 2026 and October 18, 2026 respectively.

Scorecard2 real differences · 8 level
indxCards versus ThreeNote: the parameters behind the verdict, then further details
ParameterindxCardsThreeNote
PriceFreeFree
Rating4.0 (3 ratings) — better—
Positive reviews0.0% of reviews—
Number of ratings3 — better—
Update frequencyEvery 69 monthsDaily — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPadiPhone, iPad
Requires iOS18.016.6 — better
Further details — not scored
Size2 MB1 MB
Age rating4+4+
Developerphi & co.Jouni Erola

In-app purchases

None

indxCards

No in-app purchases

None

ThreeNote

No in-app purchases

Questions

Is indxCards free?
indxCards is free to download, with no in-app purchases.
Is ThreeNote free?
ThreeNote is free to download, with no in-app purchases.
Do indxCards or ThreeNote have ads?
Neither indxCards nor ThreeNote shows ads.
Which is updated more often, indxCards or ThreeNote?
indxCards ships an update every 69 months, and ThreeNote daily. Most recently, indxCards was updated on October 23, 2026 and ThreeNote on October 18, 2026.

Other comparisons