# 서일석유 vs 오늘의 감정

The clearest difference is update cadence: 오늘의 감정 at every 6 days against 서일석유's every 3 months. 오늘의 감정 also leads on device support. 서일석유's advantage is iOS requirement (12.0 vs 15.0). On price 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.

서일석유 ships an update every 3 months, 오늘의 감정 every 6 days. The most recent releases landed on October 30, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | 서일석유 | 오늘의 감정 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | — | Yes |
| Update frequency | Every 3 months | **Every 6 days** |
| Size | 4 MB | 63 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | — | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Seoil oil Corp.](https://appshunter.io/developer/1704274404) | [Kyusung Lee](https://appshunter.io/developer/1812204026) |

## What reviewers say

### 서일석유

[App page](https://appshunter.io/ios/app/id6463375430)

**In-app purchases:** none


### 오늘의 감정

[App page](https://appshunter.io/ios/app/ai/id6783290091)

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

**In-app purchases:** none


## Frequently asked questions

### Is 서일석유 free?

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

### Is 오늘의 감정 free?

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

### Which is updated more often, 서일석유 or 오늘의 감정?

서일석유 ships an update every 3 months, and 오늘의 감정 every 6 days. Most recently, 서일석유 was updated on October 30, 2026 and 오늘의 감정 on October 19, 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.*