Inkiostro vs Day
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Inkiostro
A distraction-free Markdown editor for Apple devices. Organize files with color labels and tags, and write efficiently with a comprehensive toolbar and live preview. Syncs automatically via iCloud Drive.
- Color Labels for files and folders
- Custom tags for organization
- Complete Markdown toolbar
- Live preview with multiple themes
- Focus and Typewriter modes
- Native iCloud Drive sync
- External folder support
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Inkiostro is a Markdown editor for people who write — notes, documentation, theses, novels. Plain text files that stay yours, a preview that looks like a finished page, and exports ready to hand over. Write in Markdown, or in the visual editor and never see a symbol. Buy once, no subscription. No account, no tracking. WRITE, SEE, FINISH • Two ways to write: the Markdown editor shows the symbols, the visual editor formats as you type, like a word processor. Either way the file stays plain Markdown. (Visual editor: Pro, free for 7 days) • A complete Markdown toolbar: headings, lists, tables and code blocks, one tap away. • A side-by-side preview that comes back exactly where you left it. • LaTeX formulas typeset by KaTeX, and Mermaid diagrams drawn as you type. • 27 preview styles, 11 of them free: GitHub, Sepia, Nord, Solarized and more. With Pro, Manuscript, Book, Report, Academic and others set the page like print. • Focus and Typewriter modes, a live word count and a daily writing goal. FROM DRAFT TO BOOK • PDF with selectable text, formulas and diagrams included. Free, with a small credit line in the footer. • A professional ePub: real chapters, a cover, ISBN, series, footnotes that open over the page, and the accessibility declaration Europe requires. The export sheet tells you what a store would reject — before you send it. (Pro) • A book made of many files: one chapter per file, in a folder, in the order you choose. Arranging it is free; exporting it as a single ePub is Pro. • Self-contained HTML, and page setup for PDF: paper, margins, headers and page numbers. (Pro) NEVER LOSE A WORD • Version history: Inkiostro saves versions as you write. Search them, compare them line by line, and bring back a single word or a whole draft. (Pro) • Backups of your whole library: a dated zip archive with your version history inside, offered when one is due, while the app is open, in a folder you pick. Open it in the Files app and your Markdown files are right there. (Pro) YOUR FILES, YOUR RULES • Unlimited documents, as plain .md files you can open anywhere. • Folders, color labels and tags, with search that filters by tag. • iCloud Drive sync between iPhone, iPad and Mac, with no setup. • External folders: work directly inside any folder on your device or in iCloud Drive. (Pro) INKIOSTRO PRO — ONE PURCHASE, EVERY DEVICE One purchase unlocks Pro on iPhone, iPad and Mac, forever. Try it free for 7 days. • The visual editor • Version history with search, comparison and a year of versions • Backups of your library • Professional ePub, HTML, and books made of many files • PDF page setup • Focus and Typewriter modes • External folders • 24 app themes, the Pro preview styles and any font installed on your device MADE FOR • Writers: novels and essays in plain text, out as a real ebook • Students and researchers: notes and theses with proper formulas • Developers: READMEs, documentation and technical notes with diagrams • Anyone tired of paying every month for a text editor • Anyone new to Markdown: the visual editor works like a word processor PRIVACY Your documents stay in your iCloud Drive or on your device. No servers of ours, ever. Inkiostro collects only anonymous, aggregated usage statistics — never personal data, never the content of your documents — and you can turn them off in Settings.
Day
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Day In — the kindest way to look back on your day, all in one. Habit tracking, to-dos, daily reflection (mood logging), the Eisenhower Matrix, a calendar, and even lock screen wallpapers. Plan, do, and reflect on today — all in Day In, without hopping between apps. ● Lock Screen Wallpaper Studio Set your own photo or a soft gradient as the background, then drag to-dos, habits, events, and calendar elements wherever you like. Resize by the corners and tune text color, size, and opacity. With a Shortcut, a fresh wallpaper reflecting today's to-dos and habits can apply every morning. ● Daily Reflection & Emotion Dot Grid Capture your day in one sentence and log your mood on a 5-level scale, from tough to great. The emotion dot grid — a year of moods filling in as dots of color — is Day In's signature. Tap a past dot to reopen that day's reflection and habits; saving a reflection fills the dot with a little reward. ● Eisenhower Matrix Organize to-dos and habits across four quadrants of urgency and importance. Drag items between quadrants and priorities reorganize instantly. Add and check off items in each quadrant; your arrangement is saved. View as a 2×2 grid or a list. ● Building Habits Create habits that repeat daily, on weekdays/weekends, or on the days you choose. Pick an icon and color, add a duration and notes, and set a reminder. Streaks and a grass graph show how long you've kept it up, and you can leave a one-line note per habit. ● To-Do Management Quickly add the day's to-dos and check them off with a tap. Long-press to delete, and see today's completion rate at a glance with a progress ring. ● Calendar Manage your schedule in a monthly view that pulls in your iOS Calendar events and holidays. Set title, time, place, notes, alerts, and repeats — event alerts arrive via iOS Calendar. Drag an event to another date and Undo to revert. Each day's mood, reflection, and habits appear on the date, so a tap reopens your day. ● Widgets Add widgets to your home and lock screens. The "Today" widget shows completed habits and to-dos, your progress, and what's next. The Pro-only "Emotion Grid" widget shows your recent mood flow as dots of color. Widgets refresh automatically. ● Notifications Get an evening reflection reminder at the time and on the days you choose, coming through even in Focus mode. Set a time for each habit, too; tapping a notification takes you straight to logging. ● iCloud Sync Everything is stored safely on your device and, when signed in to iCloud, backed up and synced automatically. Changes on another device with the same Apple Account appear automatically. Your records are never sent to our own servers. ● Themes Choose Light, Dark, or System and apply it across the app instantly. Pick habit icons from hundreds of emoji, painted with 8 suggested colors or one you tune yourself. ● Day In Pro Upgrade to Pro for unlimited habits, the Pro-only emotion grid widget, and detailed insights like yearly emotion analysis, weekday patterns, and habit streaks. Try Pro free for 7 days and cancel anytime. Restore Purchase carries Pro across devices. ● Key Features - One-line reflection with 5-level mood logging - Emotion dot grid — a year of moods in color - Eisenhower Matrix by urgency and importance - Daily and day-of-week habits with streaks and a grass graph - Simple to-dos — tap to complete, long-press to delete - Monthly calendar + iOS Calendar and holiday integration - Add, edit, delete events, with drag-to-move and Undo - "Today" and Pro-only "Emotion Grid" widgets - Lock Screen Studio over your photo or gradient - Evening reflection and habit reminders on your schedule - Automatic iCloud backup and multi-device sync ----------------------------------------------------------------------------------------------- Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://dam-dam-studio.vercel.app/apps/dayin/privacy
Screenshots
Verdict
The clearest difference is ads: Inkiostro at none against Day's shown. Inkiostro also leads on device support (3 vs 1). Day's advantage is update cadence (every 3 days vs weekly). On price, in-app purchases and iOS requirement 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. Inkiostro sells 1 one-off in-app purchase and Day sells 3 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.
Inkiostro ships an update weekly, Day every 3 days. Both last shipped on October 13, 2026.
| Parameter | Inkiostro | Day |
|---|---|---|
| Price | Free | Free |
| Rating | 3.0 (4 ratings) — better | — |
| Positive reviews | 60.0% of reviews | — |
| Number of ratings | 4 — better | — |
| Update frequency | Weekly | Every 3 days — better |
| Ads | No — better | Yes |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad, Mac — better | iPhone |
| Requires iOS | 18.0 | 17.0 — better |
| Further details — not scored | ||
| Size | 21 MB | 38 MB |
| Age rating | 4+ | 4+ |
| Developer | Carlo Di Giuseppe | JinBae Jung |
In-app purchases
Inkiostro
- Inkiostro Pro$19.99
Day
- Day In Pro 월간7 Days trial$0.991 Month
- Day In Pro 연간7 Days trial$6.991 Year
- Day In Pro 평생$11.99









