# DuesDay vs Jeolmi

The clearest difference is in-app purchases: Jeolmi at none against DuesDay's 1. On price, update cadence, ads and device support there is nothing between them.

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

DuesDay ships an update every 9 days, Jeolmi every 6 days. The most recent releases landed on October 8, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | DuesDay | Jeolmi |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 9 days | **Every 6 days** |
| Size | 15 MB | 37 MB |
| Requires iOS | 26.2 | **26.0** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Shido Ito](https://appshunter.io/developer/6793903187) | [Jaewook Jung](https://appshunter.io/developer/1892297064) |

## What reviewers say

### DuesDay

[App page](https://appshunter.io/ios/app/duesday/id6793903183)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Coffee | $0.99 | one-time |


### Jeolmi

[App page](https://appshunter.io/ios/app/jeolmi-cute-study-timer/id6815089796)

**In-app purchases:** none


## Frequently asked questions

### Is DuesDay free?

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

### Is Jeolmi free?

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

### Do DuesDay or Jeolmi have ads?

Neither DuesDay nor Jeolmi shows ads.

### Which is updated more often, DuesDay or Jeolmi?

DuesDay ships an update every 9 days, and Jeolmi every 6 days. Most recently, DuesDay was updated on October 8, 2026 and Jeolmi on October 9, 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.*