# 투자일기 vs 삼사돼

The clearest difference is update cadence: 삼사돼 at every 3 days against 투자일기's monthly. 투자일기's advantage is iOS requirement (18.5 vs 26.0). On price, ads, in-app purchases and device support there is nothing between them.

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

투자일기 ships an update monthly, 삼사돼 every 3 days. The most recent releases landed on October 30, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | 투자일기 | 삼사돼 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Every 3 days** |
| Size | 37 MB | 20 MB |
| Requires iOS | **18.5** | 26.0 |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Yonghun Cho](https://appshunter.io/developer/1827369182) | [HO SEOK KO](https://appshunter.io/developer/6780348193) |

## What reviewers say

### 투자일기

[App page](https://appshunter.io/ios/app/id6749032183)

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

**In-app purchases:** none


### 삼사돼

[App page](https://appshunter.io/ios/app/id6793480926)

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

**In-app purchases:** none


## Frequently asked questions

### Is 투자일기 free?

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

### Is 삼사돼 free?

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

### Do 투자일기 or 삼사돼 have ads?

Neither 투자일기 nor 삼사돼 shows ads.

### Which is updated more often, 투자일기 or 삼사돼?

투자일기 ships an update monthly, and 삼사돼 every 3 days. Most recently, 투자일기 was updated on October 30, 2026 and 삼사돼 on October 31, 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.*