# 하루 세개 vs Lucid

The clearest difference is iOS requirement: 하루 세개 at 8.0 against Lucid's 17.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

하루 세개 ships an update every 4 days, Lucid every 3 days. The most recent releases landed on October 8, 2026 and October 22, 2026 respectively.

## The numbers

| Metric | 하루 세개 | Lucid |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/id1464837929/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 75.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 days | **Every 3 days** |
| Monetization | Free | — |
| Size | 57 MB | 2 MB |
| Requires iOS | **8.0** | 17.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Liviet](https://appshunter.io/developer/1464827169) | [Goo wong Kwon](https://appshunter.io/developer/1895637047) |

## What reviewers say

### 하루 세개

[App page](https://appshunter.io/ios/app/id1464837929)

This app helps you focus on your most important tasks by limiting your daily goals to just three. Prioritize your top objectives and execute them efficiently for a more productive day.

**Highlights:** Limit daily tasks to three, Prioritize important goals, Focus on execution, Simple and powerful interface

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

**In-app purchases:** none


### Lucid

[App page](https://appshunter.io/ios/app/lucid-second-brain/id6777908024)

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

**In-app purchases:** none


## Frequently asked questions

### Is 하루 세개 free?

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

### Is Lucid free?

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

### Do 하루 세개 or Lucid have ads?

Neither 하루 세개 nor Lucid shows ads.

### Which is updated more often, 하루 세개 or Lucid?

하루 세개 ships an update every 4 days, and Lucid every 3 days. Most recently, 하루 세개 was updated on October 8, 2026 and Lucid on October 22, 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.*