MarkTask vs roamOS
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
MarkTask
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MarkTask is a convenient app that allows you to easily create task lists using Markdown files and utilize them like an advanced task management app. Not only can you mark tasks as complete within the app, but you can also use external AI tools to automatically generate Markdown files and manage those files effortlessly. Manage up to 7 Markdown files simultaneously, and set notifications and icon badges for each one to ensure you never miss an important task. Real-time sync: The Markdown files and the app synchronize in both directions. Any updates made in either will be reflected automatically. Notification feature: Set reminders for tasks so that you never miss an important deadline. Icon badges: Track progress directly on the app icon, ensuring you don’t overlook any incomplete tasks. AI Integration: Use external AI tools to easily generate Markdown files, then manage them seamlessly within the app. Start organizing your tasks in a simple yet efficient way with MarkdownTodo, the new standard in task management!
roamOS
Seamlessly integrate your Roam Research knowledge base into your daily workflow. Capture ideas instantly, access notes via system search, and view tasks with customizable widgets without interrupting your focus.
- Instant capture via Siri and shortcuts
- Customizable home screen widgets
- System-wide search integration
- Natural language queries
- Cross-device compatibility (iPhone, iPad, Mac)
- One-time purchase with lifetime updates
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You've built the perfect knowledge system in Roam. But it's locked away from where you actually work. Your breakthrough insights hit during Zoom calls, but opening Roam breaks your flow. Every TODO check means app switching. Every lookup interrupts your momentum. Your second brain can't help if you can't access it. roamOS bridges your knowledge and your workflow. Finally, your Roam graph works everywhere you do. Capture thoughts instantly via Siri, access notes through system search, and see your TODOs in beautiful widgets. No more app switching. No more lost insights. Instant Capture That brilliant idea hits during a meeting? Capture it instantly with Siri voice commands, keyboard shortcuts, or the quick launcher. Your thoughts flow directly into Roam without breaking focus. Beautiful Widgets Transform your morning routine with customizable widgets that surface exactly what you need. Your TODOs, recent notes, and daily reminders - right on your home screen where you'll actually see them. System-Wide Access Your knowledge becomes part of your system. Press Command+Space on Mac or swipe down on iPhone - search for any thought and jump directly to context. Your Roam graph integrates seamlessly with Spotlight search. Natural Language Queries Ask naturally and get instant results. "Yesterday's TODOs," "meetings this week," or "notes about pricing" - no Datalog required. Just think and ask. Complete Integration Works beautifully across iPhone, iPad, and Mac. Your second brain follows you everywhere - menubar access, Siri shortcuts, system search, and gorgeous widgets that actually help. Built by Roam users, for Roam users. Stop switching apps to access your thoughts. Your knowledge system deserves to work as hard as you do. One-time purchase. Lifetime updates. No subscriptions. Perfect for knowledge workers, researchers, writers, and anyone building their second brain in Roam Research.
Screenshots
Verdict
The clearest difference is price: MarkTask at $1.99 against roamOS's $19.99. MarkTask also leads on iOS requirement (15.1 vs 26.0). roamOS's advantage is update cadence (every 4 days vs every 17 months). On 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
MarkTask costs $1.99 and roamOS $19.99 up front. Neither carries in-app purchases, so what you see is what you pay.
MarkTask ships an update every 17 months, roamOS every 4 days. The most recent releases landed on October 3, 2026 and October 9, 2026 respectively.
| Parameter | MarkTask | roamOS |
|---|---|---|
| Price | $1.99 — better | $19.99 |
| Rating | — | 1.0 (1 ratings) — better |
| Positive reviews | — | 33.3% of reviews |
| Number of ratings | — | 1 — better |
| Update frequency | Every 17 months | Every 4 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Paid |
| Devices | iPhone, iPad, iPod — better | iPhone, Mac |
| Requires iOS | 15.1 — better | 26.0 |
| Further details — not scored | ||
| Size | 32 MB | 6 MB |
| Age rating | 4+ | 4+ |
| Developer | shota komatsu | Ryan Sonnek |
In-app purchases
MarkTask
No in-app purchases
roamOS
No in-app purchases









