Outline vs Caliu
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Outline
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Outline is a modern productivity app designed to help you plan your day, stay focused, and turn ideas into action. Bring together tasks, notes, and focus sessions in one clean, distraction-free space. Outline uses AI thoughtfully to help you break down work, surface insights, and stay on track without overwhelming you. Key features • Smart task management with subtasks, priorities, and due dates • Focus Mode with a built-in timer to help you work deeply • Notes with tags, search, and quick task creation • AI-powered task refinement and suggestions • Clean, mobile-first design with intuitive gestures Whether you’re planning a project, capturing ideas, or focusing on deep work, Outline helps you stay intentional and productive. Built for clarity. Designed for focus.
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 quiet place to write. Open it and start typing: no account, no setup, no clutter. Markdown takes shape as you type, everything works offline, and your notes stay on your device. When you want them everywhere, create a free account and they follow you across iPhone, iPad, Mac and the web. Sync is free, and it stays free. Writing comes first Headings, lists, tasks, quotes, code and links format as you write. There is no preview pane and no mode to switch: what you see is your note. The interface steps aside and leaves you with the page. Organised the way you think Tags instead of folders, because one idea can belong in many places. Nest them, colour them, and find any note in seconds. Link notes to each other and follow a thought from one to the next. Pin what matters now, and archive what you are done with without losing a word. There when you need it Native on iPhone, iPad and Mac, with a web app for everything else. Save things to Caliu straight from the share sheet, or add a thought from your Apple Watch. Yours, and only yours No ads. No tracking. Nothing you write is used to train AI. Your notes live on your device first and sync encrypted, and Caliu is built in the EU under GDPR. Export any note as Markdown or plain text whenever you like, share one as a public link when someone needs to read it, and delete your account at any time. Deleted means deleted. For tinkerers A full REST API and a built-in MCP server, so Claude, Cursor or your own scripts can read and write your notes, on your terms. Your first API key is free. Caliu Pro Writing, tags, sync and working offline are free. 50 notes free, forever, no account needed. Caliu Pro makes them unlimited and adds: • Version history: scroll back through any note and restore it in a tap • Every theme, font and app icon: 22 colour themes, each in light and dark, and 30 fonts • Drawing, right inside your notes • Unlimited attachments • More export formats: HTML, ePub, PDF, RTF and TextPack • Unlimited API keys, and connecting AI apps like Claude to your notes Subscribe monthly or yearly, or buy Pro lifetime once. Try it free before you decide. The monthly or yearly plan is an auto-renewing subscription: it renews unless you cancel at least 24 hours before the end of the current period, and you can manage or cancel it anytime in your App Store account settings. Made with care by a small, independent team of one. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://caliuapp.com/privacy
Screenshots
Verdict
The clearest difference is in-app purchases: Outline at none against Caliu's 2. Outline also leads on update cadence (every 4 days vs every 9 days) and iOS requirement (17.0 vs 26.0). On price, 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. Outline asks for nothing beyond the download.
Outline ships an update every 4 days, Caliu every 9 days. The most recent releases landed on October 11, 2026 and October 16, 2026 respectively.
| Parameter | Outline | Caliu |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (5 ratings) — better |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | — | 5 — better |
| Update frequency | Every 4 days — better | Every 9 days |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | — | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac, Apple Watch — better |
| Requires iOS | 17.0 — better | 26.0 |
| Further details — not scored | ||
| Size | 8 MB | 210 MB |
| Age rating | 4+ | 4+ |
| Developer | Mohammed Asif | Marc Torrelles |
In-app purchases
Outline
No in-app purchases
Caliu
- Caliu Pro - Monthly3 Days trial$1.991 Month
- Caliu Pro - Yearly7 Days trial$17.991 Year








