Comparison

How Long Since vs Datto

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

Head to head
About

How Long Since

Features
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How long has it been since you last did the thing? We turned that simple question into a calm, beautiful habit tracker. Every habit gets a big, living day-count that keeps ticking — so you always know exactly how long it's been, down to the second. Whether you're building a good habit or breaking a bad one, just tap to log and watch the time add up. Two kinds of habits Build a habit — see how consistently you show up. Break a habit — see how long you've stayed clean, and let the streak grow. Log in a tap Tap a habit to open it, or swipe to log instantly. Add an optional note and pick the exact date and time. Every log is saved with a timestamp and a full history. Gentle reminders Set per-habit reminders — hourly, daily, or weekly — so you never forget to check in. Tap a reminder and jump straight to logging. Syncs across your devices Your habits and logs sync privately through your iCloud account, so they stay in step across iPhone and iPad — and they're there waiting even after you reinstall. Your data stays yours. Upgrade to Pro Free to start. Upgrade to Pro for: Unlimited habits Unlimited reminders An ad-free experience Pro is available as a monthly or yearly subscription. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

Datto

This app displays the number of days remaining until important dates directly on your Home Screen via a widget. It offers customizable colors and themes to match your device. Additional features like unlimited events and milestone reminders are available with a one-time purchase.

Highlights
  • Home screen countdown widget
  • Customizable colors and themes
  • Unlimited events (Pro)
  • Repeating events (Pro)
  • Milestone reminders (Pro)
  • iCloud sync (Pro)
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.

Screenshots

How Long Since4 screens
Datto3 screens

Verdict

The call

The clearest difference is ads: Datto at none against How Long Since's shown. Datto also leads on update cadence (every 2 days vs every 8 days). On price, in-app purchases, device support 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. How Long Since sells 2 in-app purchases, starting at $0.99 per month and Datto sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

How Long Since ships an update every 8 days, Datto every 2 days. The most recent releases landed on September 30, 2026 and October 16, 2026 respectively.

Scorecard2 real differences · 7 level
How Long Since versus Datto: the parameters behind the verdict, then further details
ParameterHow Long SinceDatto
PriceFreeFree
Rating—5.0 (1 ratings) — better
Number of ratings—1 — better
Update frequencyEvery 8 daysEvery 2 days — better
AdsYesNo — better
In-app purchasesYesYes
Monetization—Free with in-app purchases
DevicesiPhone, iPad — betteriPhone
Requires iOS17.617.0 — better
Further details — not scored
Size4 MB4 MB
Age rating4+4+
DeveloperOkan OzcanMinari Taniguchi

In-app purchases

2 purchases

How Long Since

Subscriptions2
  • Monthly$0.991 Month
  • Yearly$9.991 Year
1 purchases

Datto

One-time1
  • Datto Pro$3.99

Questions

Is How Long Since free?
How Long Since is free to download, with in-app purchases available.
Is Datto free?
Datto is free to download, with in-app purchases available.
Do How Long Since or Datto have ads?
How Long Since shows ads; Datto does not.
Which is updated more often, How Long Since or Datto?
How Long Since ships an update every 8 days, and Datto every 2 days. Most recently, How Long Since was updated on September 30, 2026 and Datto on October 16, 2026.

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