Marko vs Calendaria
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Marko
This app provides a fast, native reading experience for Markdown files on iPhone and iPad. It offers features like syntax highlighting, diagram rendering, and on-device AI for summarization and translation, all while keeping your documents private.
- Native Markdown rendering
- Syntax-highlighted code
- GFM tables and task lists
- Mermaid diagrams and KaTeX math
- On-device AI summarization and translation
- Read Aloud with sentence highlighting
- Offline document access
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Marko is a fast, native Markdown reader for iPhone and iPad. Open any .md file and read it the way it was meant to look, with real typography, syntax-highlighted code, GFM tables and task lists, Mermaid diagrams, and KaTeX math. Everything renders on your device with no network access, so your documents never leave it. Marko is a reader, not an editor. It never changes your files. Open Markdown straight from the Files app, or share it in from Mail, Safari, or any other app, and read it full-screen with an outline, find in page, and adjustable text size. It is built for the Markdown you didn't write by hand, too: the .md that AI assistants and coding agents produce, generated READMEs, and agent output. LISTEN TO ANY DOCUMENT Read Aloud speaks the rendered document and highlights each sentence as it goes, so you can follow along or put the phone down. Start anywhere with Read from Here, adjust the speaking rate, and control it from the Lock Screen. Ask Siri to read a document and it starts hands-free. DOCUMENT INTELLIGENCE, ON DEVICE Summarize a long document, ask questions about it, or explain a selected passage. Marko can explain a Mermaid diagram too, reading the diagram itself. All processed on your device with Apple Intelligence. Nothing is sent to a server. (Requires iOS 26 or later on a device with Apple Intelligence. Explaining diagrams requires iOS 27.) TRANSLATE WITHOUT LEAVING THE PAGE Translate a document into another language in place, then switch back to the original. On device, offline, once the language is downloaded. (Requires iOS 26.4 or later.) PICK UP WHERE YOU STOPPED Marko remembers where you were in every document. For documents in iCloud Drive, that position follows you to your other devices, and Handoff moves the document itself between iPhone, iPad, and Mac. ON YOUR HOME SCREEN A Continue Reading widget shows the page you left off on and takes you straight back to it. A Recent Documents widget lists what you have been reading. Spotlight and Shortcuts can find your documents by name. HIGHLIGHTS - Native Swift and SwiftUI app for iPhone and iPad. Not a web app. - Renders fully offline. Your documents never leave your device. - Opens Markdown in place from Files, and via the share sheet from other apps. - Read Aloud with follow-along highlighting and a speaking-rate control. - On-device summarize, ask, and explain, including diagrams. - Outline, find in page, and text zoom. - Light, Dark, and System themes. - The same app on iPhone, iPad, and Mac. Marko collects no data. It has no analytics, no accounts, and makes no network requests of its own. Free. Requires iOS or iPadOS 18 or later.
Calendaria
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Calendaria shows your calendar as one continuous list, from January to December, and helps you plan it. Scroll through the year and the days that matter stand out, each with its most notable event next to the date. SEE THE YEAR Drag across the screen or tap the tabs to move between three levels. Months shows the highlights of each month and a bar for every week, so busy weeks and free ones stand out. Days shows every date and what's on it. Hours shows each day in full, with longer events drawn as a single block. Pull past the end of the year to go to the next. PLAN IT YOUR WAY • Write plans the way you'd say them: "Lisbon with the kids April 2 to 10, then pizza night every third Wednesday". With Apple Intelligence, Calendaria reads whole paragraphs in any of its languages, right on your iPhone. • Pencil in the maybes. They show dashed in your year until you confirm them, even from a widget. • Find your free weeks. Calendaria shows the longest free stretch ahead; hold and drag across days to plan a trip and see what's already on. • Add a set in one go: bank holidays for England and Wales, new and full moons, birthdays from Contacts, or school term dates pasted from your school's website. CHOOSE YOUR LOOK • Lume: bright color on black, inspired by the Apple Watch. • StandBy: big, easy-to-read type, with a red night mode after dark. • Duet: soft paper tones with a large numeral of the day you're looking at. • Battersea: clean and familiar, in light and dark. Each look has its own options, and Calendaria can switch between two of them to follow your iPhone's light and dark setting. WIDGETS See today, your year in dots, what's coming up or your next free stretch on the Home Screen and Lock Screen, and add a plan from Control Center. MADE FOR IPHONE DUO Open it like a book: your days on one page, the hours of whichever day you pick on the other. See which weeks are filling up, and exactly when, without switching views. Fold it shut and the whole year is still there on the cover screen. PRIVATE BY DESIGN Calendaria reads the calendars you already use, including iCloud, Google and Exchange accounts added in Settings, and you choose which ones appear. Your events stay on your iPhone, and reading your plans happens on your iPhone too. No accounts, no tracking.
Screenshots
Verdict
The clearest difference is price: Marko at Free against Calendaria's $4.99. Marko also leads on iOS requirement (18.0 vs 27.0). On update cadence, 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
Marko is free to download; Calendaria costs $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Marko ships an update every 6 days, Calendaria every 4 days. The most recent releases landed on November 6, 2026 and November 14, 2026 respectively.
| Parameter | Marko | Calendaria |
|---|---|---|
| Price | Free — better | $4.99 |
| Rating | 5.0 (2 ratings) — better | — |
| Number of ratings | 2 — better | — |
| Update frequency | Every 6 days | Every 4 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, Mac | iPhone, iPad, Apple Watch |
| Requires iOS | 18.0 — better | 27.0 |
| Further details — not scored | ||
| Size | 19 MB | 101 MB |
| Age rating | 4+ | 4+ |
| Developer | Yash Banka | Jorge Cohen |
In-app purchases
Marko
No in-app purchases
Calendaria
No in-app purchases









