# Thinkbig TOPIK vs Hadi Language

The clearest difference is review sentiment: Thinkbig TOPIK at 88% against Hadi Language's 0%. Thinkbig TOPIK also leads on iOS requirement (12.4 vs 16.4). Hadi Language's advantage is update cadence (every 3 days vs every 2 weeks). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Thinkbig TOPIK sells 5 in-app purchases, starting at $9.99 per month and Hadi Language sells 8 in-app purchases, starting at $7.99 per month. Whichever you choose, the download price is not the number that matters.

Thinkbig TOPIK ships an update every 2 weeks, Hadi Language every 3 days. Both last shipped on October 24, 2026.

## The numbers

| Metric | Thinkbig TOPIK | Hadi Language |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | **87.5% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 3 days** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 30 MB | 66 MB |
| Requires iOS | **12.4** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 12+ |
| Developer | [Woongjin Thinkbig Co., Ltd.](https://appshunter.io/developer/1614968450) | [DIEU HOA NGUYEN](https://appshunter.io/developer/6792497752) |

## What reviewers say

### Thinkbig TOPIK

[App page](https://appshunter.io/ios/app/thinkbig-topik/id6736814780)

Enhance your TOPIK score with AI-powered, customized learning. This app offers structured courses, practice questions, and mock tests tailored to your skill level. Track your progress and review difficult concepts to prepare effectively for the exam.

**Highlights:** AI-based customized learning curriculum, 12 courses for TOPIK levels 1-6, Practice questions and mock tests, Vocabulary and grammar review, Writing exercises with feedback, Progress tracking and real-time evaluation, Multi-language support

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1-Month Plan Trial | $9.99 | per month |
| 1-Month Plan | $9.99 | per month |
| 3-Month Plan | $44.99 | one-time |
| 6-Month Plan | $77.99 | one-time |
| 12-Month Plan | $118.99 | one-time |


### Hadi Language

[App page](https://appshunter.io/ios/app/hadi-language/id6792497750)

This app helps you learn Korean and Japanese by transcribing lectures, providing dual-language subtitles, and offering AI-powered study tools. Practice speaking with shadowing features and translate text or images on the go.

**Highlights:** Live transcription and translation, AI-powered summaries and mind maps, Speaking practice with speed control, Text and image translation, Vocabulary export for Anki/Quizlet, Dual-language subtitles

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

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Student Light | $7.99 | per month |
| Personal | $11.99 | per month |
| Student Pro | $14.99 | per month |
| Pro | $22.99 | per month |
| Hadi Pass 1 giờ | $0.99 | one-time |
| Hadi Pass 5 giờ | $2.99 | one-time |
| Hadi Pass 30 giờ | $11.99 | one-time |
| Hadi Pass 50 giờ | $19.99 | one-time |


## Frequently asked questions

### Is Thinkbig TOPIK free?

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

### Is Hadi Language free?

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

### Do Thinkbig TOPIK or Hadi Language have ads?

Neither Thinkbig TOPIK nor Hadi Language shows ads.

### Which is updated more often, Thinkbig TOPIK or Hadi Language?

Thinkbig TOPIK ships an update every 2 weeks, and Hadi Language every 3 days. Most recently, Thinkbig TOPIK was updated on October 24, 2026 and Hadi Language on October 24, 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.*