# Day2U vs AllDays

The clearest difference is device support: AllDays at 3 against Day2U's 1. AllDays also leads on iOS requirement (15.0 vs 17.0). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Day2U sells 1 one-off in-app purchase and AllDays sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Day2U ships an update fortnightly, AllDays monthly. The most recent releases landed on November 6, 2026 and November 7, 2026 respectively.

## The numbers

| Metric | Day2U | AllDays |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.7 (7 ratings)](https://appshunter.io/ios/app/alldays-d-day-widget/id1645004693/reviews)** |
| Number of ratings | — | **7** |
| Positive reviews | — | 95.8% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | **Fortnightly** | Monthly |
| Monetization | — | Free with in-app purchases |
| Size | 25 MB | 85 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone | **iPhone, iPod, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [CHUNGKIL KIM](https://appshunter.io/developer/960187999) | [OhLee](https://appshunter.io/developer/1645004696) |

## What reviewers say

### Day2U

[App page](https://appshunter.io/ios/app/day2u-d-day-countdown/id1456616742)

**Features:** macOS Compatibility, iMessage stickers

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ad | $3.99 | one-time |


### AllDays

[App page](https://appshunter.io/ios/app/alldays-d-day-widget/id1645004693)

Easily track and manage important dates like birthdays and anniversaries with customizable widgets. Never miss a special occasion again with timely notifications and lunar calendar support.

**Highlights:** Lunar birthday support, Customizable notifications, Anniversary sorting, Zodiac icons, Days since birth counter, Widget display

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 모든날 프리미엄 | $1.99 | one-time |


## Frequently asked questions

### Is Day2U free?

Day2U is free to download, with in-app purchases available.

### Is AllDays free?

AllDays is free to download, with in-app purchases available.

### Do Day2U or AllDays have ads?

Both Day2U and AllDays show ads.

### Which is updated more often, Day2U or AllDays?

Day2U ships an update fortnightly, and AllDays monthly. Most recently, Day2U was updated on November 6, 2026 and AllDays on November 7, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*