# Thinkbig TOPIK vs おたすけTopik

Thinkbig TOPIK and おたすけTopik are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Thinkbig TOPIK sells 5 in-app purchases, starting at $9.99 per month and おたすけTopik sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Thinkbig TOPIK ships an update every 2 weeks, おたすけTopik monthly. The most recent releases landed on September 10, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | Thinkbig TOPIK | おたすけTopik |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 87.5% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Monthly |
| Monetization | Free with in-app purchases | — |
| Size | 30 MB | 184 MB |
| Requires iOS | 12.4 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Woongjin Thinkbig Co., Ltd.](https://appshunter.io/developer/1614968450) | [jongseo won](https://appshunter.io/developer/1691076998) |

## 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 |


### おたすけTopik

[App page](https://appshunter.io/ios/app/topik/id6747324014)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| おたすけ Topik Plus | $7.99 | one-time |


## Frequently asked questions

### Is Thinkbig TOPIK free?

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

### Is おたすけTopik free?

おたすけTopik is free to download, with in-app purchases available.

### Do Thinkbig TOPIK or おたすけTopik have ads?

Neither Thinkbig TOPIK nor おたすけTopik shows ads.

### Which is updated more often, Thinkbig TOPIK or おたすけTopik?

Thinkbig TOPIK ships an update every 2 weeks, and おたすけTopik monthly. Most recently, Thinkbig TOPIK was updated on September 10, 2026 and おたすけTopik on September 21, 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.*