Caliu vs Idea Tiles
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Caliu
A minimalist markdown notes app designed for writers, offering a distraction-free writing experience with features like nested tags, reminders, and cross-device syncing. It allows for easy export and integration with external tools.
- Markdown writing with live formatting
- Nested and colored tags for organization
- Cross-device sync across iPhone, iPad, and Mac
- Reminders for notes
- Export to various formats (Markdown, ePub, RTF)
- REST API and MCP server for integration
- Customizable themes
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Caliu is a markdown notes app for people who write. No clutter. No toolbars in the way. Just a quiet canvas, your words, and a way to find them again later. Write in Markdown. Sync everywhere. Think clearly. It runs natively on iPhone, iPad, and Mac, and stays in sync with the web app. Everything works offline. Your notes live on your device first and travel only when there is a connection. • The writing page. Headings, lists, quotes, code blocks, and links format as you type. No preview pane, no switching modes. The interface steps aside so the writing can take over. • Tags, not folders. Ideas overlap, so one note can belong to many places. Nest your tags, colour them, search them. Organisation that matches the way you think. • Reminders that find you. Pin a time to any note and Caliu nudges you on whichever device you have picked up. Good for the things you would otherwise forget you wrote down. • Sync you never think about. Start on your Mac, finish on your phone. Your notes are already there. No sync button, no spinner, no waiting. • Just talk. Tap the mic and think out loud. Caliu transcribes, trims the filler words, and turns your voice into clean Markdown: real headings and lists, not a wall of text. • Long-term memory. Caliu keeps snapshots as you write. Scroll back through a note's history, preview any moment, and bring it back in a tap. • A mood, not a menu. Ten colour themes, light and dark, plus more than 30 fonts to make the page yours. Pick the one that matches the hour. • Export, share, own your work. Export any note as Markdown, plain text, HTML, ePub, PDF, RTF, or TextPack. Share a note as a public link when someone needs to read it. Nothing locks you in. • Notes that talk back. A full REST API and a built-in MCP server, so Claude, Cursor, or your own scripts can read and write notes on your terms. • Private by design. Your notes are nobody's business. No ads, no selling your data, no tracking you across the web, and nothing you write is used to train AI. Kept on your device first and synced encrypted, built in the EU under GDPR. Export everything or delete your account whenever you like. Deleted means deleted. Caliu Pro The heart of Caliu is free: writing, tags, sync, and offline everything. Caliu Pro adds voice dictation, version history, every theme and font, unlimited attachments, more export formats, and API access. Try it free before you decide. Made with care by a small, independent team of one. No setup. No clutter. Just your thoughts, kept warm. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://caliuapp.com/privacy
Idea Tiles
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Turn one thought into a visual map of everything around it. Idea Tiles is a hexagonal brainstorming canvas for writers, designers, product thinkers, researchers, and anyone who works better with connected fragments than a blank page. Start with one tile, explore the ideas around it, and keep following the branches that matter. EXPLORE THE SPACE AROUND AN IDEA • Expand a tile into six related directions with Apple Intelligence on supported devices. • Merge two tiles into one thought that captures what they share. • Star important themes and filter a busy board down to what matters. • Undo, redo, pan, and zoom without breaking your flow. PRIVATE BY DESIGN On supported iPhone and iPad models, generation runs through Apple's on-device Foundation Models. Prompts, board context, and responses stay on your device. There is no silent cloud fallback, no account requirement, no advertising profile, and no analytics SDK in the native app. MAKE THE BOARD PORTABLE Export your work as PNG, JPG, SVG, or JSON through the standard share sheet. Send it with AirDrop or Messages, save it to Files, or keep the structured JSON for later editing. RETURN TO YOUR WORK Boards are saved locally across sessions. Template customization also uses the on-device model, and model readiness is checked again when the app returns to the foreground. ACCESSIBLE AND RESPONSIVE Idea Tiles includes VoiceOver labels, adjustable text, high-contrast options, reduced-motion support, keyboard shortcuts, and touch interactions designed for both iPhone and iPad. REQUIREMENTS • Generation requires iOS 26 or later, Apple Intelligence enabled, and eligible hardware. • Canvas editing, merge, star, filter, local sessions, and export remain available without generation. • When the system model is unavailable or still preparing, Idea Tiles explains why and checks again automatically. Idea Tiles is free, with no subscription and no in-app purchases.
Screenshots
Verdict
The clearest difference is in-app purchases: Idea Tiles at none against Caliu's 2. On price, update cadence, ads 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. Caliu sells 2 in-app purchases, starting at $1.99 per month. Idea Tiles asks for nothing beyond the download.
Caliu ships an update every 9 days, Idea Tiles fortnightly. The most recent releases landed on September 11, 2026 and September 21, 2026 respectively.
| Parameter | Caliu | Idea Tiles |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (4 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 4 — better | — |
| Update frequency | Every 9 days — better | Fortnightly |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free | — |
| Devices | iPhone, iPad, Mac, Apple Watch — better | iPhone, iPad, Mac |
| Requires iOS | 26.0 | 26.0 |
| Further details — not scored | ||
| Size | 143 MB | 18 MB |
| Age rating | 4+ | 4+ |
| Developer | Marc Torrelles | LanguageCraft |
In-app purchases
Caliu
- Caliu Pro - Monthly3 Days trial$1.991 Month
- Caliu Pro - Yearly7 Days trial$17.991 Year
Idea Tiles
No in-app purchases





