# Studit vs 결이 주산

The clearest difference is in-app purchases: 결이 주산 at none against Studit's 2. Studit's advantage is update cadence (fortnightly vs every 4 months) and device support (3 vs 1). On price and ads there is nothing between them.

Both are free to download. Studit sells 2 in-app purchases, starting at $2.99 per month. 결이 주산 asks for nothing beyond the download.

Studit ships an update fortnightly, 결이 주산 every 4 months. The most recent releases landed on November 9, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Studit | 결이 주산 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 4 months |
| Size | 36 MB | 17 MB |
| Requires iOS | **13.0** | 18.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [SangJin Park](https://appshunter.io/developer/1793505644) | [Jieun Son](https://appshunter.io/developer/1896738610) |

## What reviewers say

### Studit

[App page](https://appshunter.io/ios/app/studit-study-smarter-with-ai/id6760251512)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Studit Standard Monthly | $2.99 | per month |
| Studit Premium Monthly | $5.99 | per month |


### 결이 주산

[App page](https://appshunter.io/ios/app/id6772425301)

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

**In-app purchases:** none


## Frequently asked questions

### Is Studit free?

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

### Is 결이 주산 free?

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

### Do Studit or 결이 주산 have ads?

Neither Studit nor 결이 주산 shows ads.

### Which is updated more often, Studit or 결이 주산?

Studit ships an update fortnightly, and 결이 주산 every 4 months. Most recently, Studit was updated on November 9, 2026 and 결이 주산 on November 5, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*