# 암산대결 vs study smarter

The clearest difference is in-app purchases: 암산대결 at none against study smarter's 6. 암산대결 also leads on iOS requirement (11.0 vs 15.1). On price, ads and device support there is nothing between them.

Both are free to download. study smarter sells 6 in-app purchases, starting at $1.99 per month. 암산대결 asks for nothing beyond the download.

## The numbers

| Metric | 암산대결 | study smarter |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.0 (2 ratings)](https://appshunter.io/ios/app/study-smarter-shortd/id6630365246/reviews)** |
| Number of ratings | — | **2** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | — | Weekly |
| Monetization | — | Freemium |
| Size | 29 MB | 68 MB |
| Requires iOS | **11.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [haena park](https://appshunter.io/developer/1647709026) | [RRDL LIMITED](https://appshunter.io/developer/1762325281) |

## What reviewers say

### 암산대결

[App page](https://appshunter.io/ios/app/id6499561080)

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

**In-app purchases:** none


### study smarter

[App page](https://appshunter.io/ios/app/study-smarter-shortd/id6630365246)

This app transforms your notes and documents into engaging short video lessons and quiz challenges using AI. It's designed to help students study smarter by boosting retention and optimizing knowledge flow through a visual, video-first approach.

**Highlights:** AI-powered note conversion, Video lesson generation, Quiz challenge creation, Spaced repetition study, Integrated study timer, Visual learning approach

**Features:** macOS Compatibility

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Pro | $1.99 | per month |
| Weekly shortd | $3.99 | per 7 days |
| Yearly Pro | $19.99 | per year |
| Shortd Power Pack: 50 | $0.49 | one-time |
| Shortd Power Pack: 100 | $0.79 | one-time |
| 1000 SHortd | $3.99 | one-time |


## Frequently asked questions

### Is 암산대결 free?

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

### Is study smarter free?

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

### Do 암산대결 or study smarter have ads?

Neither 암산대결 nor study smarter shows ads.

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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.*