Days' vs DaysUntilWhen
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Days'
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This is an application that shows you how many days are left in your future schedule. You can easily see how many days are left until your certification exam, your mother's birthday, etc. How many days until my mother's birthday? Schedule of a certain date #Annual schedule #Monthly schedule #Weekly schedule It is possible to register a weekly schedule.
DaysUntilWhen
Track the days remaining until important events with customizable home screen widgets. This app helps you visualize your countdowns for holidays and other significant dates, keeping you informed and excited.
- Customizable widgets
- Holiday countdowns
- Home screen display
- Event tracking
- User-requested features
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Always know how many days are left until your favorite holidays with Holiday Countdown Widgets! This simple but useful app provides customizable widgets that display holiday countdowns right on your home screen. More holidays are in the works! Let us know what you want to see! DaysUntilWhen falls under the Apple EULA found here: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is in-app purchases: Days' at none against DaysUntilWhen's 1. Days' also leads on update cadence (every 4 days vs monthly) and iOS requirement (14.0 vs 17.0). 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. DaysUntilWhen sells 1 one-off in-app purchase. Days' asks for nothing beyond the download.
Days' ships an update every 4 days, DaysUntilWhen monthly. The most recent releases landed on June 4, 2026 and June 1, 2026 respectively.
| Parameter | Days' | DaysUntilWhen |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (5 ratings) — better |
| Number of ratings | — | 5 — better |
| Update frequency | Every 4 days — better | Monthly |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | — | Free with in-app purchases |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 14.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 17 MB | 9 MB |
| Age rating | 4+ | 4+ |
| Developer | Daiki Hirao | Robert J Sarvis Jr |
In-app purchases
Days'
No in-app purchases
DaysUntilWhen
- Advanced Holiday Alerts$1.99
