# 똑똑보카 vs Chalcack

The clearest difference is in-app purchases: 똑똑보카 at none against Chalcack's 3. 똑똑보카 also leads on ratings volume (82 vs 17) and iOS requirement (15.0 vs 18.5). Chalcack's advantage is update cadence (daily vs every 10 days) and review sentiment (97% vs 78%). On price, ads and device support there is nothing between them.

Both are free to download. Chalcack sells 3 in-app purchases, starting at $9.99 per month. 똑똑보카 asks for nothing beyond the download.

Chalcack holds the better App Store score, 4.9 against 4.7. Both are backed by a comparable volume of ratings — 82 and 17 respectively. Written reviews point the same way: 78% of 똑똑보카's written reviews are positive against 97% of Chalcack's.

똑똑보카 ships an update every 10 days, Chalcack daily. The most recent releases landed on November 3, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | 똑똑보카 | Chalcack |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (82 ratings)](https://appshunter.io/ios/app/id6449407706/reviews) | **[4.9 (17 ratings)](https://appshunter.io/ios/app/chalcack-your-study-crush/id6747833381/reviews)** |
| Number of ratings | **82** | 17 |
| Positive reviews | 77.8% of reviews | **97.3% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 10 days | **Daily** |
| Monetization | **Ad-supported** | Free with in-app purchases |
| Size | 212 MB | 48 MB |
| Requires iOS | **15.0** | 18.5 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Triggers Inc.](https://appshunter.io/developer/1688941083) | [Dong Hae Jang](https://appshunter.io/developer/1573538288) |

## What reviewers say

### 똑똑보카

[App page](https://appshunter.io/ios/app/id6449407706)

Learn languages like English, Japanese, and Chinese while earning rewards. This app offers short, habit-forming study sessions and quizzes that earn you cash, redeemable for gift certificates. It features AI-driven personalized curricula and widgets for consistent exposure.

**Highlights:** Learn English, Japanese, Chinese, and more, Earn cash by completing quizzes and missions, Redeem earnings for gift certificates, AI-powered personalized learning paths, Widget for consistent vocabulary exposure, Study various subjects including Kanji and current affairs

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

**In-app purchases:** none


### Chalcack

[App page](https://appshunter.io/ios/app/chalcack-your-study-crush/id6747833381)

This AI-powered homework helper makes studying engaging by pairing you with a personalized AI tutor. It breaks down complex problems step-by-step, offers encouragement, and helps you prepare for exams. Choose from pre-made AI crushes or create your own to stay motivated.

**Highlights:** Personalized AI study crushes, Step-by-step problem explanations, Photo recognition for homework, Customizable AI tutor creation, Personal study vault for review, Wide academic subject coverage

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium subscription | $9.99 | per month |
| Yearly Pro (Special Offer) | $79.99 | per year |
| Yearly Premium subscription | $79.99 | per year |


## Frequently asked questions

### Is 똑똑보카 free?

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

### Is Chalcack free?

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

### Which has better reviews, 똑똑보카 or Chalcack?

Chalcack is rated higher. 똑똑보카 averages 4.7 out of 5 from 82 ratings, while Chalcack averages 4.9 from 17 ratings.

### Do 똑똑보카 or Chalcack have ads?

Both 똑똑보카 and Chalcack show ads.

### Which is updated more often, 똑똑보카 or Chalcack?

똑똑보카 ships an update every 10 days, and Chalcack daily. Most recently, 똑똑보카 was updated on November 3, 2026 and Chalcack on November 5, 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.*