indxCards vs ThreeNote
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- 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
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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.
ThreeNote
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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
Verdict
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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
indxCards ships an update every 69 months, ThreeNote daily. The most recent releases landed on October 23, 2026 and October 18, 2026 respectively.
| Parameter | indxCards | ThreeNote |
|---|---|---|
| Price | Free | Free |
| Rating | 4.0 (3 ratings) — better | — |
| Positive reviews | 0.0% of reviews | — |
| Number of ratings | 3 — better | — |
| Update frequency | Every 69 months | Daily — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 18.0 | 16.6 — better |
| Further details — not scored | ||
| Size | 2 MB | 1 MB |
| Age rating | 4+ | 4+ |
| Developer | phi & co. | Jouni Erola |
In-app purchases
indxCards
No in-app purchases
ThreeNote
No in-app purchases









