TL;DR: For cross-platform note-taking in 2026, Notion ($10/mo, free tier, 30M+ users) leads with reliable sync across Mac, Windows, iOS, Android, web. Obsidian (free personal, $8/mo Sync) wins for power users who want local markdown files, also the best Linux pick. OneNote (free with Microsoft account) is the strongest free cross-platform option. Evernote ($14.99/mo) remains the web-clipping leader. Joplin (open source) covers Mac, Windows, Linux, iOS, Android. Atlas ($12/mo, free tier) is the web-first AI-grounded pick, works in any browser. Standard Notes ($90/yr) leads on end-to-end encryption. Logseq (open source) for cross-platform linked notes.
At a glance: 8 apps tested across 6 platforms, macOS, Windows, Linux, iOS, Android, web. Notion: 30M+ users, 5 native apps, $10/mo Personal Pro. Obsidian: 2,000+ plugins, native Linux, $8/mo Sync. OneNote: free, Mac + Windows + iOS + Android + web. Evernote: $14.99/mo, web clipper standard. Joplin: open source, end-to-end encryption optional. Atlas: $12/mo Pro, browser-native. Standard Notes: $90/yr, E2E encrypted. Logseq: free, block-based.
Cross-platform note-taking is harder than single-platform note-taking because most "cross-platform" apps are great on 2 platforms and mediocre on 3 others. Sync reliability, app feature parity, and platform-native UX all matter.
This guide ranks 8 apps based on actual cross-platform testing across macOS, Windows, Linux, iOS, Android, and web in 2026.
What Should You Look for in a Cross-Platform Note-Taking App?
Five criteria.
Native apps on every platform you use. Web-only is a fallback, not a feature. The good cross-platform apps have native apps on at least 4 of: Mac, Windows, Linux, iOS, Android.
Sync reliability. Sync works fine 99% of the time and breaks at the worst moment. The best apps have version history, conflict resolution, and offline-first sync.
Feature parity across platforms. A great Mac app and a stripped-down iOS app is not real cross-platform. Look for the same features on every platform.
Export portability. If you ever switch apps, can your notes leave cleanly? Markdown export is the gold standard.
Pricing. Cross-platform sync is usually where free tiers stop. Compare paid sync ($8 Obsidian, $10 Notion) against free options (OneNote, Joplin, Apple Notes within Apple).
1. Notion: Best Cross-Platform Overall
Notion has the most polished cross-platform experience. Native apps on Mac, Windows, iOS, Android, plus a web app that's nearly as full-featured as the desktop apps. Sync is fast and reliable.
Best for. Most users who need notes that follow them everywhere. Pricing: Free tier, Personal Pro $10/month. Platforms: Mac, Windows, iOS, Android, web (no native Linux).
2. Obsidian: Best for Power Users and Linux
Obsidian stores notes as local markdown files in a folder you control. Native apps on Mac, Windows, Linux, iOS, Android. Sync via Obsidian Sync ($8/month), iCloud, Dropbox, Git, or any cloud folder.
Best for. Linux users, power users, and anyone who wants file ownership. Pricing: Free for personal use, $8/month Sync, $4/month Publish. Platforms: Mac, Windows, Linux, iOS, Android.
3. OneNote: Best Free Cross-Platform
Microsoft OneNote is free with a Microsoft account. Native apps on Mac, Windows, iOS, Android, plus a strong web app. Notebook → section → page hierarchy works well across devices.
Best for. Surface users, Windows users, and free cross-platform users. Pricing: Free with Microsoft account. Platforms: Mac, Windows, iOS, Android, web (no Linux).
4. Evernote: The Historical Cross-Platform Default
Evernote was the cross-platform notes app for a decade. The web clipper is still best-in-class. Pricing changes hurt its reputation, but the apps remain capable across Mac, Windows, iOS, Android, and web.
Best for. Heavy web clippers and existing Evernote users. Pricing: Free tier (1 device), Personal $14.99/month. Platforms: Mac, Windows, iOS, Android, web.
5. Joplin: Best Open-Source Cross-Platform
Joplin is fully open source and runs on Mac, Windows, Linux, iOS, and Android. Sync via Joplin Cloud ($2.99/mo), Dropbox, OneDrive, WebDAV, or S3, your choice. End-to-end encryption optional.
Best for. Open-source users and anyone who wants control over sync backend. Pricing: Free (Joplin Cloud $2.99/month optional). Platforms: Mac, Windows, Linux, iOS, Android.
6. Atlas: Best Web-First AI-Grounded Cross-Platform
Atlas runs in any browser, no install needed. Upload notes, PDFs, and articles; Atlas builds a mind map across them with source-cited AI Q&A. The web-first model means it works on any device with a browser.
Best for. AI-grounded note-taking across multiple devices without installing apps. Pricing: Free tier, Pro from $12/month. Try Atlas free Platforms: Web (works everywhere, Mac, Windows, Linux, iOS, Android browsers).
7. Standard Notes: Best Privacy-Focused Cross-Platform
Standard Notes is end-to-end encrypted by default. Native apps on Mac, Windows, Linux, iOS, Android, web. The free tier covers plain-text notes; paid tiers add markdown, rich text, themes, and editor extensions.
Best for. Users who want E2E encryption and cross-platform. Pricing: Free tier, Productivity $90/year. Platforms: Mac, Windows, Linux, iOS, Android, web.
8. Logseq: Best Cross-Platform Linked Notes
Logseq is the open-source block-based outliner. Native apps on Mac, Windows, Linux, iOS, Android. Bidirectional links, daily notes, and graph view, all stored as local markdown.
Best for. Researchers and power users who want linked notes with cross-platform support. Pricing: Free. Platforms: Mac, Windows, Linux, iOS, Android.
Comparison Table
| App | Mac | Windows | Linux | iOS | Android | Web | Free | Sync |
|---|---|---|---|---|---|---|---|---|
| Notion | Yes | Yes | Browser | Yes | Yes | Yes | Tier | Built-in |
| Obsidian | Yes | Yes | Yes | Yes | Yes | No | Yes | $8/mo |
| OneNote | Yes | Yes | No | Yes | Yes | Yes | Yes | Built-in |
| Evernote | Yes | Yes | No | Yes | Yes | Yes | 1 device | Built-in |
| Joplin | Yes | Yes | Yes | Yes | Yes | No | Yes | BYO backend |
| Atlas | Browser | Browser | Browser | Browser | Browser | Yes | Tier | Built-in |
| Standard Notes | Yes | Yes | Yes | Yes | Yes | Yes | Tier | Built-in (E2E) |
| Logseq | Yes | Yes | Yes | Yes | Yes | No | Yes | BYO backend |
Best Cross-Platform Note-Taking App by Use Case
Best overall. Notion, most reliable cross-platform sync. Best for Linux. Obsidian, Joplin, Standard Notes, or Logseq. Best free cross-platform. OneNote. Best for privacy. Standard Notes (E2E) or Joplin with E2E enabled. Best web-first. Atlas, no install, works in any browser. Best for power users. Obsidian. Best for Apple-only with cross-platform fallback. Apple Notes plus a web export workflow. Best open-source. Joplin or Logseq.
Cross-Platform Pitfalls to Avoid
Apple-only apps. Apple Notes, Bear, and Craft are excellent on Mac and iOS but useless on Windows and Android. Don't pick these if you cross ecosystems.
Web-only with poor offline. Some "cross-platform" apps are just web apps. They die without internet and feel slow on phones. Atlas works because the web app is fast and PDF synthesis is the workflow.
Different feature sets per platform. Some apps have advanced features on desktop and stripped-down mobile apps. Test the mobile app before committing.
Unreliable sync. Cheap or amateur apps lose notes during sync conflicts. Stick to apps with version history (Notion, Obsidian, Evernote, OneNote).
Final Take
The best cross-platform note-taking app depends on your platform mix. All ecosystems including Linux: Obsidian, Joplin, Standard Notes, or Logseq. Mac/Windows/mobile (no Linux): Notion or OneNote. Free: OneNote or Joplin. Web-first AI-grounded: Atlas. Privacy: Standard Notes. The right pick is the one that runs natively on every device you use without compromise.