Evo vs roamOS
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Evo
This app combines events, reminders, mood tracking, notes, habits, and a focus timer into a single, minimalist timeline. It allows for natural language event input, quick access to video calls, and integrates with your device's existing calendars. Enjoy a more organized lifestyle with this all-in-one productivity solution.
- Natural language event input
- Quick Join for video calls
- Integrated reminders
- Device calendar sync
- Notes and diary with formatting
- Habit tracking
- Focus timer
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No subscriptions - Buy once, keep forever Please note that Evo requires creating an account in order to sync your data across devices. Introducing: Evo - The everything app. The last productivity app you'll ever need, combining events, reminders, mood tracker, notes & diary, habits, a focus timer, and more. All in one seamless timeline design for minimalism and ease of use. Are you ready to reclaim your time and enjoy a more organized lifestyle? Download Evo now and manage your schedule, tasks, and events with ease. Key Features of Evo - The everything app: - Add events with natural language Isn't it so much easier when our devices understand us? You can say things like: "Pick up the kids tomorrow at 18:00" "Lunch this Saturday between 12:00 and 14:00" "Meet with Bill in 2 hours" - Quick Join for video calls You will find options to jump straight into events that have video calls both from the app itself and from notifications - Reminders Your Reminders can live alongside your events in all layouts. You can also create and edit reminders. - Use the calendars on your device Solid Calendar works with the calendars you already have on your device. No data about your calendars leaves your device, so you can have peace of mind about your privacy - Light and Dark mode Enjoy well-designed themes for both light and dark modes and pick the one you like best to accommodate your style. - Notes & Diary You can create any kind of notes you want and organize them across dates - Unlimited uploads You can upload as many images, voice recordings, and sketches as you need - Formatting Make your notes as useful and clear as they can be with a variety of formatting options - Mood tracking Use Evo - the everything app to keep track of how you feel each day - Build better habits You can use Evo to track any habit you want, whether it's 3 times daily, once weekly, or monthly, whether it's a fitness or health habit, personal habit, or something related to studying or work, you can track it all here. - Focus timer Once you created a few steps to work on, you can start a focus timer and get to work. - Deadlines Set a target for your goals and objects and get reminded in Evo - Widgets Pick from several widgets to display your calendar events - Solid Apps Account Your data is synced instantly across all your devices. It's fully encrypted and only you can read it. Events and Reminders are handled by EventKit, which is a framework from Apple, and this app is only given strict permissions to read and edit your events and reminders. The app does not copy them to any server or collect any information about your events and reminders. For more details please don’t hesitate to reach out or read the privacy policy. Are you ready to get on top of your schedule? Solid Calendar is a universal app available on iOS, iPadOS, and macOS You can choose to unlock just this app or all 6 Solid Apps with one purchase Please note that Evo is a standalone app and its data is not interchangeable or synced with other apps from the same developer (Solid Apps) Terms of service: http://solidapps.co/terms.html Privacy policy: http://solidapps.co/privacy.html
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 review sentiment: Evo at 83% against roamOS's 33%. Evo also leads on price (Free vs $19.99) and rating (4.6 vs 1.0). roamOS's advantage is in-app purchases (none vs 2). On update cadence, ads, monetization model 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
Evo is free to download; roamOS costs $19.99 up front. Evo sells 2 one-off in-app purchases. roamOS asks for nothing beyond the download.
Evo holds the better App Store score, 4.6 against 1.0. That said, the two scores are not equally well evidenced: Evo has 24 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 83% of Evo's written reviews are positive against 33% of roamOS's.
Evo ships an update weekly, roamOS every 4 days. The most recent releases landed on July 17, 2026 and September 7, 2026 respectively.
| Parameter | Evo | roamOS |
|---|---|---|
| Price | Free — better | $19.99 |
| Rating | 4.6 (24 ratings) — better | 1.0 (1 ratings) |
| Positive reviews | 82.6% of reviews — better | 33.3% of reviews |
| Number of ratings | 24 — better | 1 |
| Update frequency | Weekly | Every 4 days — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Paid | Paid |
| Devices | iPhone, iPad, Mac — better | iPhone, Mac |
| Requires iOS | 16.4 — better | 26.0 |
| Further details — not scored | ||
| Size | 29 MB | 6 MB |
| Age rating | 4+ | 4+ |
| Developer | Solid Apps SRL | Ryan Sonnek |
Customer experience
Evo
roamOS
In-app purchases
Evo
- Unlock this app (lifetime)$4.99
- Unlock ALL 10 Solid Apps (lifetime)$9.99
roamOS
No in-app purchases









