Comparison

Datto vs Inkday

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Datto

Visually track important upcoming dates directly on your device's home screen. Set up events once and get a quiet, constant reminder of how much time remains until your goals, birthdays, or trips.

Highlights
  • Home screen countdown widget
  • Unlimited events (Pro)
  • Customizable colors
  • Repeating events (Pro)
  • Milestone reminders (Pro)
  • iCloud sync
Features
Read full description

You don't have to open it to see how many days are left. Datto is a quiet countdown that puts the days until your important dates right on your Home Screen. There is no habit to keep. Put it there once, and every glance tells you how long is left. An exam, a deadline, a birthday, a trip, a move — you add the day only once. ■ What it does (free) ・Counts down the days to the dates you care about (up to three) ・Shows one of them in a Home Screen widget (small) ・12 curated colors, plus any custom color you like ・Text color adjusts automatically to stay readable ・A dark appearance — match your device, or keep it light or dark ■ Datto Pro (a one-time purchase, not a subscription) ・As many widgets as you like — Medium, Large and the Lock Screen too ・Unlimited events ・Repeating events (yearly or monthly, rolling over on their own) ・Milestone reminders (100 days, the day before, the day itself — always silent) ・Hours and minutes as the day gets close ・Categories to keep work, family and trips apart ・iCloud sync — the same days on every device signed in to the same Apple Account ■ Made for you if ・You want to keep a goal in view ・You would rather be watched over quietly than nagged ・You like a Home Screen that looks like yours No account, no ads. What you enter stays on your device. With iCloud sync on, it lives only in your own iCloud. To improve the app, only anonymous usage (such as which screens were opened) is sent. Never your event names, and never your name, email, or advertising ID. You can turn it off in Settings. Simply, the days until yours.

About

Inkday

Features
Read full description

Inkday is a private journal that's yours alone. We believe something simple: your journal is yours. Inkday runs no servers and cannot see your content. Everything — your writing, photos, videos, audio, moods, tags, location, weather, calendar snapshots, and anniversaries — is stored only in your own iCloud, syncing quietly across iPhone, iPad, and Mac through your Apple ID (activity data is the exception: it stays only on the device that captured it, and isn't synced through iCloud). No account to create, no third-party sign-in, no ads, no cross-app tracking (only anonymous device and OS-version statistics and crash reports, to improve stability). ■ Capture every day - One clean, text-first entry a day, at a glance on the calendar - Add photos, short clips, and voice notes to any entry - Tap any photo or video for a full-screen view, swipe through the day's media, pick a daily cover, or save media back to Photos or a file - Organize life with moods and tags; filter and revisit anytime - Auto-record where you were and the weather as you write (optional); search a landmark or nearby place to set where the day happened - Snapshot that day's calendar events into the entry, so you can look back even after switching calendars or phones (choose which calendars to include) - On iPhone and iPad, automatically save that day's activity from Health into the entry: active energy is free, while Inkday Pro also records steps, exercise minutes, and full workouts (type, duration, distance, pace, heart rate, and more). This stays only on the device where it was captured, not synced with the entry (can be turned off anytime) ■ Remember the days that matter - Anniversaries: record the day you got together, a birthday, or a day to count down to; Inkday works out the years, months, and days that have passed (or just the total days), or how many days remain - Reminders on day 100, 500, 1000 and every anniversary; that day is also marked in your diary, calendar, and list, and one tap adds the sentence to your entry - (iPhone, iPad, Apple Watch) Lock Screen, Home Screen, and watch face widgets show how long it's been, or how many days are left, at a glance - Import events straight from your Calendar, or turn a day's event in your diary into an anniversary - Free for up to 3 anniversaries; Inkday Pro removes the limit, adds custom colors and milestone intervals, and lets you look back on each past anniversary with On This Day ■ Look back, gently - Media calendar: browse a whole month as photo thumbnails and switch freely between List and Calendar, like an album; scroll all the way back to any past date to backfill older entries - "On This Day" brings back the same day in years past - See your writing streaks and most-used moods - A footprint map shows the places you've been ■ Built for privacy - Your data lives only in your own iCloud; the developer can't access it - No accounts, no ads, no cross-app tracking (only anonymous stability statistics) - Built-in App Lock: protect the whole app with a PIN and Face ID / Touch ID (free) ■ Your data, portable - Import from other journaling apps to move in easily - Export your entire journal to a file anytime for a full backup ■ Three platforms, one journal - Shared across iPhone, iPad, and Mac; syncs automatically with one Apple ID - Seven warm, papery themes, with dark mode (follow the system, or stay light or dark) The core is free forever, including location tagging and the footprint map. Inkday Pro unlocks extra themes, weather, calendar snapshots, full workout records, statistics, unlimited anniversaries, and export backups — available as a yearly plan, a monthly plan, or a one-time Lifetime purchase. Tired of renewing? Inkday lets you buy it once. Every day of yours deserves to be kept well. Privacy Policy: https://seanseanyin.github.io/inkday-site/privacy-policy.html Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Datto3 screens
Inkday4 screens

Verdict

The call

The clearest difference is update cadence: Datto at every 3 days against Inkday's weekly. Inkday's advantage is device support (4 vs 1). On price, ads, 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Datto sells 1 one-off in-app purchase and Inkday sells 3 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Datto ships an update every 3 days, Inkday weekly. The most recent releases landed on October 31, 2026 and November 1, 2026 respectively.

Scorecard2 real differences · 7 level
Datto versus Inkday: the parameters behind the verdict, then further details
ParameterDattoInkday
PriceFreeFree
Rating5.0 (1 ratings) — better—
Number of ratings1 — better—
Update frequencyEvery 3 days — betterWeekly
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchases—
DevicesiPhoneiPhone, iPad, Mac, Apple Watch — better
Requires iOS17.0 — better18.0
Further details — not scored
Size4 MB23 MB
Age rating4+4+
DeveloperMinari TaniguchiChienHsiang Yin

In-app purchases

1 purchases

Datto

One-time1
  • Datto Pro$5.99
3 purchases

Inkday

Subscriptions2
  • Inkday Pro (Monthly)$1.991 Month
  • Inkday Pro (Yearly)7 Days trial$7.991 Year
One-time1
  • Inkday Pro (Lifetime)$14.99

Questions

Is Datto free?
Datto is free to download, with in-app purchases available.
Is Inkday free?
Inkday is free to download, with in-app purchases available.
Do Datto or Inkday have ads?
Neither Datto nor Inkday shows ads.
Which is updated more often, Datto or Inkday?
Datto ships an update every 3 days, and Inkday weekly. Most recently, Datto was updated on October 31, 2026 and Inkday on November 1, 2026.

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