Clastly vs Caliu
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Clastly
Organize anything with custom collections and powerful field types. Track reading lists, travel memories, subscriptions, and more. Your data syncs securely via iCloud with a clean, native iOS interface.
- Customizable collections
- Multiple field types
- Pre-built templates
- Data filtering
- iCloud sync
- Ad-free experience
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Clastly is a personal database for collecting, organizing, and looking back on everything you love. Books, gadgets, travel memories, fandom, subscriptions—turn anything worth keeping into a collection shaped around you. Start quickly with templates: • Collection Catalog - Track purchase dates, condition, storage locations, and photos • Travel Log - Save places from maps or your current location • Fandom - Record concerts, merch, and favorite moments • Subscription Manager - Manage renewal dates, costs, and active services • Reading List - Organize covers, reading status, reviews, and reference URLs • Pet Diary - Capture daily moments, photos, and notes about your pets • Sauna & Spa - Record temperatures, facilities, and relaxation levels • Cafe Log - Log latte art, beans, and shop atmosphere • Movie Watchlist - Save memorable quotes, directors, and personal ratings Or start with Blank and create a structure of your own. Add fields that fit what you collect: • Text • Number • Date • Checkbox • Single Select • Multi Select • URL • Place • File • Created Time • Last Edited Time Look back your way: • List - Scan details quickly • Gallery - Browse records with photos • Masonry - Make the most of photos in different sizes • Board - Organize by status or category • Map - See saved places on a map Group, sort, and filter using your fields. Search within a collection and choose which details appear in each row. Capture from anywhere: Save photos, web pages, text, files, and Apple Maps places to Clastly from the share sheet. Home Screen widgets show recent records and collection counts, while widgets, the Lock Screen, and Control Center give you quick ways to add a new record. Clastly also works with Siri and Shortcuts. Automate opening collections, adding and editing records, updating fields, and searching your data. Private and synced: No ads. No social features. Your collections sync between iPhone and iPad with iCloud. Not for likes, but for yourself. Build a library to enjoy now and revisit later.
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 in-app purchases: Clastly at none against Caliu's 2. Caliu's advantage is rating (5.0 vs 4.7) and device support (4 vs 2). On price, review sentiment, ratings volume and update cadence 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. Caliu sells 2 in-app purchases, starting at $1.99 per month. Clastly asks for nothing beyond the download.
Caliu holds the better App Store score, 5.0 against 4.7. Both are backed by a comparable volume of ratings — 3 and 4 respectively. Written reviews split almost evenly too, at 100% and 100% positive.
Clastly ships an update fortnightly, Caliu weekly. The most recent releases landed on September 19, 2026 and September 30, 2026 respectively.
| Parameter | Clastly | Caliu |
|---|---|---|
| Price | Free | Free |
| Rating | 4.7 (3 ratings) | 5.0 (4 ratings) — better |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| Number of ratings | 3 | 4 — better |
| Update frequency | Fortnightly | Weekly — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free | Free |
| Devices | iPhone, iPad | iPhone, iPad, Mac, Apple Watch — better |
| Requires iOS | 26.0 | 26.0 |
| Further details — not scored | ||
| Size | 10 MB | 210 MB |
| Age rating | 4+ | 4+ |
| Developer | Soji Takahashi | Marc Torrelles |
Customer experience
Clastly
Caliu
In-app purchases
Clastly
No in-app purchases
Caliu
- Caliu Pro - Monthly3 Days trial$1.991 Month
- Caliu Pro - Yearly7 Days trial$17.991 Year







