# 던던 vs Oneul

The clearest difference is in-app purchases: 던던 at none against Oneul's 1. 던던 also leads on ads (none vs shown). Oneul's advantage is review sentiment (100% vs 67%). On price, update cadence, device support and iOS requirement there is nothing between them.

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

던던 ships an update weekly, Oneul every 4 days. The most recent releases landed on October 31, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | 던던 | Oneul |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 66.7% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Weekly | **Every 4 days** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 80 MB | 75 MB |
| Requires iOS | **16.4** | 17.6 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Seoyoung Joung](https://appshunter.io/developer/1809637979) | [songsoon lee](https://appshunter.io/developer/6793527059) |

## What reviewers say

### 던던

[App page](https://appshunter.io/ios/app/id6758437087)

Manage your daily tasks, habits, notes, and diary all in one place. This app offers a comprehensive solution for organizing your life and improving productivity.

**Highlights:** Task management, Habit tracking, Note-taking, Diary journaling, All-in-one organization

**In-app purchases:** none


### Oneul

[App page](https://appshunter.io/ios/app/oneul/id6793527057)

This app focuses solely on your tasks for today, presenting them cleanly without overwhelming you. It helps you manage daily to-dos, special anniversaries, and D-days with customizable reminders and visual aids. Enjoy a focused approach to productivity with iCloud sync and optional sharing for family or partners.

**Highlights:** Today-centric task display, Home screen widgets, Anniversary management (solar/lunar), D-Day countdowns, Streak tracking for completed tasks, Customizable themes and emojis, iCloud synchronization, Shared folders for collaboration

**Features:** macOS Compatibility, Vision Pro support, iPhone Duo support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Oneul 프리미엄 | $0.99 | one-time |


## Frequently asked questions

### Is 던던 free?

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

### Is Oneul free?

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

### Do 던던 or Oneul have ads?

Oneul shows ads; 던던 does not.

### Which is updated more often, 던던 or Oneul?

던던 ships an update weekly, and Oneul every 4 days. Most recently, 던던 was updated on October 31, 2026 and Oneul on November 6, 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.*