ICS2Calendar vs Marklens
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
ICS2Calendar
Easily import calendar events from ICS files directly into your iPhone or iPad calendar. Share files from any app, preview events, select your destination calendar, and import with a single tap for a fast and reliable experience.
- Import ICS calendar files
- Preview events before import
- Select destination calendar
- Share from any app
- Direct import from Files app
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Import calendar files in seconds. Open .ics files directly from Files, Mail, Safari, WhatsApp or any other app using the iOS Share menu, preview the events, choose the destination calendar, and import everything with a tap. The app lets you: * Open and preview ICS calendar files * Import events into any calendar on your iPhone or iPad * Share .ics files to the app from other apps * Open ICS attachments directly from the Files app * Select the exact calendar where events should be imported * Quickly review event details before saving Designed for fast, simple and reliable calendar imports without unnecessary steps.
Marklens
This app is a fast, native Markdown viewer for macOS, iPadOS, and iPhone. It renders .md files instantly with beautiful typography, themes, syntax highlighting, and diagrams. Designed for reading, it offers a private and friction-free experience.
- Instant Markdown rendering
- Syntax highlighting for 30+ languages
- Mermaid diagram support
- GitHub-Flavored Markdown
- Light and dark themes
- Export to PDF
- Quick Look preview on macOS
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Marklens is a fast, native Markdown viewer for macOS, iPadOS, and iPhone. Open any .md file with a click and see it rendered immediately — beautiful typography, light and dark themes, syntax-highlighted code, and Mermaid diagrams. No editor, no library, no friction. HIGHLIGHTS • Instant render — every .md opens in a clean, focused window • 30+ language syntax highlighting via highlight.js, bundled offline • Mermaid 11 diagrams — flowcharts, sequence, state, xy-charts and more • GitHub-Flavored Markdown — tables, task lists, footnotes, strikethrough • Light and dark theme matching the system appearance • Quick Look on macOS — press Space on any .md in Finder for a rendered preview • Export to PDF on every platform • Pinch-to-zoom on iPadOS and iPhone, ⌘+ / ⌘− / ⌘0 on macOS • Open files via drag-and-drop, the Share Sheet, or the Files app MADE FOR READING Marklens doesn't try to be a notes app or a knowledge base. It opens a file, renders it perfectly, and gets out of the way. If you write Markdown in another tool — VS Code, Obsidian, GitHub, your favorite text editor — Marklens is the viewer you reach for to look at the result. PRIVATE BY DESIGN Marklens collects nothing. No analytics, no telemetry, no crash reports, no network requests. Every rendering asset — Mermaid, highlight.js, fonts — ships inside the app. Read the full privacy policy at https://donald-jackson.github.io/marklens/privacy/ OPEN SOURCE Marklens is MIT-licensed and developed in the open. Source, issues, and contribution guide live at https://github.com/donald-jackson/marklens.
Screenshots
Verdict
The clearest difference is review sentiment: ICS2Calendar at 50% against Marklens's 0%. ICS2Calendar also leads on update cadence (every 8 days vs monthly) and iOS requirement (15.6 vs 18.0). Marklens's advantage is price (Free vs $0.99) and rating (5.0 vs 3.0). On ratings volume, 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
Marklens is free to download; ICS2Calendar costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Marklens holds the better App Store score, 5.0 against 3.0. Both are backed by a comparable volume of ratings — 1 and 2 respectively. Written reviews complicate that: 50% of ICS2Calendar's written reviews are positive against 0% of Marklens's, so the app with the better star average is not the one people write more warmly about.
ICS2Calendar ships an update every 8 days, Marklens monthly. The most recent releases landed on October 12, 2026 and September 19, 2026 respectively.
| Parameter | ICS2Calendar | Marklens |
|---|---|---|
| Price | $0.99 | Free — better |
| Rating | 3.0 (1 ratings) | 5.0 (2 ratings) — better |
| Positive reviews | 50.0% of reviews — better | 0.0% of reviews |
| Number of ratings | 1 | 2 — better |
| Update frequency | Every 8 days — better | Monthly |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | Free — better |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Requires iOS | 15.6 — better | 18.0 |
| Further details — not scored | ||
| Size | 1 MB | 4 MB |
| Age rating | 4+ | 4+ |
| Developer | Linkas SRL | Donald Jackson |
Customer experience
ICS2Calendar
Marklens
In-app purchases
ICS2Calendar
No in-app purchases
Marklens
No in-app purchases









