# Keeps vs 밑줄긋기

The clearest difference is in-app purchases: 밑줄긋기 at none against Keeps's 2. 밑줄긋기 also leads on ads (none vs shown) and update cadence (fortnightly vs every 2 months). On price and device support there is nothing between them.

Both are free to download. Keeps sells 2 in-app purchases, starting at $3.49 per month. 밑줄긋기 asks for nothing beyond the download.

Keeps ships an update every 2 months, 밑줄긋기 fortnightly. The most recent releases landed on October 10, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | Keeps | 밑줄긋기 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | **Fortnightly** |
| Size | 59 MB | 53 MB |
| Requires iOS | 15.1 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Seungpyo Han](https://appshunter.io/developer/1812303539) | [Bo-eun Je](https://appshunter.io/developer/1884878769) |

## What reviewers say

### Keeps

[App page](https://appshunter.io/ios/app/keeps-reading-tracker/id6757674636)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro plan | $3.49 | per month |
| Pro Plan | $34.99 | per year |


### 밑줄긋기

[App page](https://appshunter.io/ios/app/id6760542925)

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

**In-app purchases:** none


## Frequently asked questions

### Is Keeps free?

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

### Is 밑줄긋기 free?

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

### Do Keeps or 밑줄긋기 have ads?

Keeps shows ads; 밑줄긋기 does not.

### Which is updated more often, Keeps or 밑줄긋기?

Keeps ships an update every 2 months, and 밑줄긋기 fortnightly. Most recently, Keeps was updated on October 10, 2026 and 밑줄긋기 on October 14, 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.*