Evo vs Caliu
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
Caliu
A minimalist markdown notes app designed for writers, offering a distraction-free writing experience with features like nested tags, reminders, and cross-device syncing. It allows for easy export and integration with external tools.
- Markdown writing with live formatting
- Nested and colored tags for organization
- Cross-device sync across iPhone, iPad, and Mac
- Reminders for notes
- Export to various formats (Markdown, ePub, RTF)
- REST API and MCP server for integration
- Customizable themes
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Caliu is a quiet place to write. Open it and start typing: no account, no setup, no clutter. Markdown takes shape as you type, everything works offline, and your notes stay on your device. When you want them everywhere, create a free account and they follow you across iPhone, iPad, Mac and the web. Sync is free, and it stays free. Writing comes first Headings, lists, tasks, quotes, code and links format as you write. There is no preview pane and no mode to switch: what you see is your note. The interface steps aside and leaves you with the page. Organised the way you think Tags instead of folders, because one idea can belong in many places. Nest them, colour them, and find any note in seconds. Link notes to each other and follow a thought from one to the next. Pin what matters now, and archive what you are done with without losing a word. There when you need it Native on iPhone, iPad and Mac, with a web app for everything else. Put a reminder on any note and Caliu nudges you on whichever device you pick up. Save things to Caliu straight from the share sheet, or add a thought from your Apple Watch. Yours, and only yours No ads. No tracking. Nothing you write is used to train AI. Your notes live on your device first and sync encrypted, and Caliu is built in the EU under GDPR. Export any note as Markdown or plain text whenever you like, share one as a public link when someone needs to read it, and delete your account at any time. Deleted means deleted. For tinkerers A full REST API and a built-in MCP server, so Claude, Cursor or your own scripts can read and write your notes, on your terms. Your first API key is free. Caliu Pro Writing, tags, sync and working offline are free, with no limits on notes. Caliu Pro is for when you want more: • Voice dictation that turns speech into clean Markdown, filler words trimmed • Version history: scroll back through any note and restore it in a tap • Every theme, font and app icon: 22 colour themes, each in light and dark, and 30 fonts • Drawing, right inside your notes • Unlimited attachments • More export formats: HTML, ePub, PDF, RTF and TextPack • Unlimited API keys, and connecting AI apps like Claude to your notes Try it free before you decide. Caliu Pro is an auto-renewing subscription: it renews unless you cancel at least 24 hours before the end of the current period, and you can manage or cancel it anytime in your App Store account settings. Made with care by a small, independent team of one. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://caliuapp.com/privacy
Screenshots
Verdict
The clearest difference is monetization model: Caliu at free against Evo's paid. Caliu also leads on rating (5.0 vs 4.6) and review sentiment (100% vs 83%). Evo's advantage is ratings volume (24 vs 4) and iOS requirement (16.4 vs 26.0). On price, update cadence, ads and in-app purchases 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
Both are free to download. Evo sells 2 one-off in-app purchases and Caliu sells 2 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.
Caliu holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: Evo has 24 ratings behind it against 4, 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 100% of Caliu's.
Both ship on a similar rhythm, roughly weekly. Both last shipped on September 30, 2026.
| Parameter | Evo | Caliu |
|---|---|---|
| Price | Free | Free |
| Rating | 4.6 (24 ratings) | 5.0 (4 ratings) — better |
| Positive reviews | 83.3% of reviews | 100.0% of reviews — better |
| Number of ratings | 24 — better | 4 |
| Update frequency | Weekly | Weekly |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Paid | Free — better |
| Devices | iPhone, iPad, Mac | iPhone, iPad, Mac, Apple Watch — better |
| Requires iOS | 16.4 — better | 26.0 |
| Further details — not scored | ||
| Size | 29 MB | 210 MB |
| Age rating | 4+ | 4+ |
| Developer | Solid Apps S.R.L. | Marc Torrelles |
Customer experience
Evo
Caliu
In-app purchases
Evo
- Unlock this app (lifetime)$4.99
- Unlock ALL 10 Solid Apps (lifetime)$9.99
Caliu
- Caliu Pro - Monthly3 Days trial$1.991 Month
- Caliu Pro - Yearly7 Days trial$17.991 Year





