# DDays vs Lunical

The clearest difference is in-app purchases: DDays at none against Lunical's 1. DDays also leads on ads (none vs shown). Lunical's advantage is update cadence (every 4 days vs every 2 weeks). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Lunical sells 1 one-off in-app purchase. DDays asks for nothing beyond the download.

DDays ships an update every 2 weeks, Lunical every 4 days. The most recent releases landed on October 8, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | DDays | Lunical |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/lunical/id6758265561/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 2 weeks | **Every 4 days** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 5 MB | 11 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Lee Jaeho](https://appshunter.io/developer/1556252425) | [Heerak Son](https://appshunter.io/developer/1868993589) |

## What reviewers say

### DDays

[App page](https://appshunter.io/ios/app/ddays/id6469691671)

Track important upcoming events with timely notifications. View countdowns directly on your home screen and lock screen widgets.

**Highlights:** D-day tracking, Advance notifications, Home screen widget, Lock screen widget, Live activity display

**In-app purchases:** none


### Lunical

[App page](https://appshunter.io/ios/app/lunical/id6758265561)

This app helps manage lunar calendar anniversaries, birthdays, and holidays with accurate KASI data. It automatically handles leap years and offers multiple reminders, widgets, and calendar synchronization. Your data is stored locally for privacy.

**Highlights:** KASI data-based lunar/solar conversion, Automatic leap year handling for anniversaries, Up to 5 multi-stage reminders, 3 types of home and lock screen widgets, Bi-directional iOS and Google Calendar sync, Local data storage for privacy

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 광고 제거 | $1.99 | one-time |


## Frequently asked questions

### Is DDays free?

DDays is free to download, with no in-app purchases.

### Is Lunical free?

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

### Do DDays or Lunical have ads?

Lunical shows ads; DDays does not.

### Which is updated more often, DDays or Lunical?

DDays ships an update every 2 weeks, and Lunical every 4 days. Most recently, DDays was updated on October 8, 2026 and Lunical on October 17, 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.*