Halff vs Countdown · Days Until Event
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Halff
This app helps you track how you spend your time by prompting you every 30 minutes to categorize your activities as valuable or a waste. It provides daily, weekly, and monthly reports to visualize your time usage and identify trends.
- Categorize half-hour time slots
- Customizable value/waste categories
- Daily, weekly, and monthly reports
- Reminder window customization
- Sync with web and Mac dashboard
- Ad-free experience
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Halff is the honest audit of your day. Your day is 48 half hours. Every 30 minutes, Halff asks what you just did. One tap: it paid you back, or it cost you. No timer to start, nothing to stop. By evening you know where your hours went: a score out of 100, your productive hours, your wasted hours, and what ate your day. WHAT YOU GET • A reminder every 30 minutes, only between the two hours you choose. Never at night. • One tap to score, with your own categories: deep work, content, prospecting, meetings, sport, sleep, and the ones that cost you. • A daily score out of 100, built from four parts: value ratio, volume, completion, streak. • The streak: one scored half hour a day keeps it going. • Your last 30 days, your week and your month, your typical day, your focus blocks, your records. • 18 widgets, three of them on the lock screen. • Sleep read automatically from Apple Health. • Halff for Mac: a light under the notch that asks every half hour. Same account, always in sync. • A discipline report every 30 days. Halff doesn't block anything. It shows you the truth of your day, half hour by half hour. That's enough to change it. Free trial available. Subscription billed through your Apple account, cancel anytime in your settings. Terms: https://halff.io/cgu.html Privacy: https://halff.io/confidentialite.html
Countdown · Days Until Event
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Countdown shows the time left until everything you're looking forward to: vacations, birthdays, weddings, concerts, Christmas… down to the second. ADD YOUR DATES IN SECONDS • An emoji, a color, a date: done • Repeat every week, month or year for birthdays and holidays • Suggestions for the big days of the year • Import straight from your Calendar NEVER MISS A THING • Reminders at the time of the event, the day before or a week before, even several at once • A live countdown on the Lock Screen and in the Dynamic Island • A Home Screen widget to see what's next at a glance • Siri: "How long until Christmas?" COUNT THE TIME SINCE, TOO Quitting smoking, the day you met, a birth… Counters show the time elapsed since a date and celebrate every milestone: 100 days, 1 year… EVERYTHING AT A GLANCE • The number of days, big and clear, in the list • A monthly calendar of your events • The time left in other units: weeks, months, hours… or sleeps • A polished animation and confetti on the big day • Designed for iPhone, iPad and Apple Watch COUNTDOWN+, A ONE-TIME PURCHASE No subscription. Unlock forever: • iCloud sync across iPhone, iPad and Mac • A background photo for every countdown, even in widgets • Every widget, customizable (background, big numbers), plus Control Center controls • The Apple Watch app and its complications • Lists, animated themes, 13 colors and 4 number styles • To-do lists, Calendar sync, share as image and alternate app icons YOUR DATA STAYS YOURS No account, no ads, no tracking. Your countdowns stay on your devices and in your iCloud.
Screenshots
Verdict
The clearest difference is in-app purchases: Halff at none against Countdown · Days Until Event's 1. Countdown · Days Until Event's advantage is device support (3 vs 1). On price, update cadence, ads 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. Countdown · Days Until Event sells 1 one-off in-app purchase. Halff asks for nothing beyond the download.
Halff ships an update every 5 days, Countdown · Days Until Event every 4 days. Both last shipped on October 31, 2026.
| Parameter | Halff | Countdown · Days Until Event |
|---|---|---|
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| Update frequency | Every 5 days | Every 4 days — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Subscription | — |
| Devices | iPhone | iPhone, iPad, Apple Watch — better |
| Requires iOS | 16.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 16 MB | 12 MB |
| Age rating | 4+ | 4+ |
| Developer | UGO STEFANO DI SARIO MULLER | Anthony Bailly |
In-app purchases
Halff
No in-app purchases
Countdown · Days Until Event
- Countdown+$1.99





