Comparison

Caliu vs Rosetta

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

Head to head
About

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.

Highlights
  • 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
Features
Read full description

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

About

Rosetta

Capture and organize notes, reminders, and links in a focused workspace. An AI assistant answers questions from your saved content and integrates with tools like ChatGPT and Claude. Connect ideas visually and manage your personal knowledge base.

Highlights
  • AI-powered note analysis
  • Markdown note-taking
  • Link saving and organization
  • Visual graph exploration
  • Calendar integration
  • Apple Reminders import
  • Multi-language support
Features
Read full description

One memory for your AI apps, starting with your voice. Capture voice notes, write in Markdown, save bookmarks and manage reminders in one place. Connect compatible AI assistants to the knowledge you choose to share. CAPTURE IDEAS BY VOICE Dictate a thought on your iPhone or Apple Watch, or import audio, and turn it into a structured note or reminder. Keep recording while you use another app, so an idea does not have to wait. WRITE AND CONNECT MARKDOWN NOTES Write and edit Markdown with headings, images and your choice of editor font. Link directly to a note section, connect notes to reminders and saved links, and explore related notes in a visual graph. Reuse note templates with date and time variables. Export notes as Markdown or PDF. SAVE BOOKMARKS AND WEB PAGES Share a link from your browser to Rosetta to keep it with your notes. Read saved links without distractions, or choose “Import page as a note” to turn a page's main text and images into an editable note. Organize your reading in a list or gallery. TURN PLANS INTO TO-DO LISTS Create reminders, break them into subtasks and set recurring routines. Import Apple Reminders and connect Google Calendar or Apple Calendar to keep events alongside your notes. GIVE YOUR AI ASSISTANTS CONTEXT Ask Rosetta, the built-in AI assistant, questions about your notes. Connect compatible AI assistants through MCP (Model Context Protocol) so they can use the personal knowledge you choose to make available. Keep your context together instead of rebuilding it in each conversation. FIND WHAT YOU SAVED Organize notes, reminders and bookmarks with categories and tags. Search across your memory, choose list or gallery views for notes and links, and use Home Screen widgets for quick access. From a spoken idea to a saved article or your next task, Rosetta keeps the things you want to remember connected.

Screenshots

Caliu4 screens
Rosetta4 screens

Verdict

The call

The clearest difference is in-app purchases: Rosetta at none against Caliu's 2. Rosetta also leads on iOS requirement (15.0 vs 26.0). On price, rating, review sentiment and ratings volume 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. Caliu sells 2 in-app purchases, starting at $1.99 per month. Rosetta asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 5.0 for Caliu against 4.9 for Rosetta. Both are backed by a comparable volume of ratings — 5 and 9 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

UpkeepUpdate frequency

Caliu ships an update every 9 days, Rosetta weekly. The most recent releases landed on October 16, 2026 and October 8, 2026 respectively.

Scorecard2 real differences · 8 level
Caliu versus Rosetta: the parameters behind the verdict, then further details
ParameterCaliuRosetta
PriceFreeFree
Rating5.0 (5 ratings) — better4.9 (9 ratings)
Positive reviews100.0% of reviews100.0% of reviews
Number of ratings59 — better
Update frequencyEvery 9 daysWeekly — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFreeFree
DevicesiPhone, iPad, Mac, Apple WatchiPhone, iPad, iPod, Apple Watch
Requires iOS26.015.0 — better
Further details — not scored
Size210 MB77 MB
Age rating4+4+
DeveloperMarc TorrellesGabriel Langon Maomy

Customer experience

Caliu

All ratings5 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews2 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Rosetta

All ratings9 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews5 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

2 purchases

Caliu

Subscriptions2
  • Caliu Pro - Monthly3 Days trial$1.991 Month
  • Caliu Pro - Yearly7 Days trial$17.991 Year
None

Rosetta

No in-app purchases

Questions

Is Caliu free?
Caliu is free to download, with in-app purchases available.
Is Rosetta free?
Rosetta is free to download, with no in-app purchases.
Which has better reviews, Caliu or Rosetta?
Caliu is rated higher. Caliu averages 5.0 out of 5 from 5 ratings, while Rosetta averages 4.9 from 9 ratings.
Do Caliu or Rosetta have ads?
Neither Caliu nor Rosetta shows ads.
Which is updated more often, Caliu or Rosetta?
Caliu ships an update every 9 days, and Rosetta weekly. Most recently, Caliu was updated on October 16, 2026 and Rosetta on October 8, 2026.

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