When is Tet vs Days Until
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
When is Tet
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When Is Tet? Count down to Vietnamese Lunar New Year, explore the lunar calendar, and keep track of important dates. Features • Home screen countdown widget • Lunar and solar calendar • Holidays and personal events • Event reminders • Custom backgrounds • Shareable countdown images • Vietnamese and English support
Days Until
Visually track important dates with customizable widgets for your home and lock screens. Set up countdowns for events, deadlines, or anniversaries and receive timely reminders. Share your excitement with friends through links or shareable images.
- Home, Lock Screen, and StandBy widgets
- Customizable countdowns with emoji and color
- Count in days, weeks, or working days
- Repeat events daily, weekly, monthly, or yearly
- Reminders before events
- Shareable countdown links and images
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The days you're waiting for, right where you look. DAYS turns birthdays, trips, launches and deadlines into beautiful widgets that count down on your Home Screen, Lock Screen and StandBy. Add a countdown in seconds: pick a date, an emoji or symbol and a color. That's it. The widget keeps counting on its own. Or import birthdays from Contacts and events from Calendar in a few taps. WIDGETS THAT FEEL AT HOME • Home Screen widgets in every size, including a poster-style large widget • Lock Screen widgets: round, rectangular and inline • An Upcoming list widget for all your next events, filtered by pin or tag • StandBy on your nightstand, plus tinted and clear Home Screen styles • A live timer for anything happening in the next 24 hours • Widget Style: color and gradient backgrounds, or your own photo with Premium; drag it to choose what stays in view (styles stay on this device) • A Month widget in medium and large: this month's calendar with your countdowns on it MADE TO BE GLANCED AT • Count in days, weeks or working days • Past events can keep counting up ("days since") • Repeat daily, weekly, monthly or yearly; events roll over by themselves • Reminders before the big day • Pin, tag, search and archive • A calendar view: switch to it at the top of Countdowns to see your countdowns and Discover holidays by month SHARE THE EXCITEMENT • Send a countdown as a link, friends add it in one tap • Share any countdown as a poster image BUILT FOR IPHONE AND IPAD • Redesigned for iOS 26, and on iOS 18 too • iPad sidebar, keyboard shortcuts and multiple windows • Ask Siri how many days are left, or find any countdown in Spotlight • A Control Center button to add a countdown from anywhere • iCloud sync across your devices • No account, no tracking DAYS PREMIUM DAYS includes 2 countdowns, the small Home Screen widget and the round Lock Screen widget. DAYS Premium unlocks: • Unlimited countdowns • Every widget: all sizes, the Upcoming list, the Month calendar, Lock Screen and StandBy • Photo backgrounds DAYS Premium is available as an auto-renewing subscription or as an unlock that does not renew; the app shows the plans on offer. Subscriptions renew automatically unless cancelled at least 24 hours before the end of the current period; payment is charged to your Apple Account. Manage or cancel anytime in your App Store account settings. Terms of Use: https://getdays.app/terms Privacy Policy: https://getdays.app/privacy Questions or ideas? hello@boring-apps.dev
Screenshots
Verdict
The clearest difference is in-app purchases: When is Tet at none against Days Until's 4. When is Tet also leads on iOS requirement (15.0 vs 18.0). On price, ads and device support 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. Days Until sells 4 in-app purchases, starting at $0.99 per month. When is Tet asks for nothing beyond the download.
| Parameter | When is Tet | Days Until |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (4 ratings) — better |
| Number of ratings | — | 4 — better |
| Update frequency | — | Every 10 days |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | — | Freemium |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 15.0 — better | 18.0 |
| Further details — not scored | ||
| Size | 36 MB | 18 MB |
| Age rating | 4+ | 4+ |
| Developer | Tuyen Nguyen Van | Boring Apps |
In-app purchases
When is Tet
No in-app purchases
Days Until
- Monthly7 Days trial$0.991 Month
- DAYS Premium Yearly7 Days trial$5.991 Year
- DAYS Premium Unlock$5.99
- DAYS Premium Unlock$10.99









