# Topik One vs InterviewPro AI

The clearest difference is ads: InterviewPro AI at none against Topik One's shown. Topik One's advantage is iOS requirement (18.0 vs 26.1). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Topik One sells 13 in-app purchases, starting at $2.99 per month and InterviewPro AI sells 4 in-app purchases, starting at $9.99 per month. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | Topik One | InterviewPro AI |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 3 days | — |
| Size | 43 MB | 2 MB |
| Requires iOS | **18.0** | 26.1 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [jaemin park](https://appshunter.io/developer/1663603862) | [Dipak Thakuri](https://appshunter.io/developer/1848494326) |

## What reviewers say

### Topik One

[App page](https://appshunter.io/ios/app/topik-one-korean-test-prep/id6738022245)

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

**In-app purchases (13)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1-month subscription | $2.99 | per month |
| 1-year subscription | $19.99 | per year |
| Reading 5th Exam | $0.99 | one-time |
| Reading 6th Exam | $0.99 | one-time |
| Reading 7th Exam | $0.99 | one-time |
| Reading 8th Exam | $0.99 | one-time |
| Listening 2nd Exam | $1.99 | one-time |
| Listening 3rd Exam | $1.99 | one-time |
| Listening 4th Exam | $1.99 | one-time |
| Listening 5th Exam | $1.99 | one-time |
| Listening 6th Exam | $1.99 | one-time |
| Listening 7th Exam | $1.99 | one-time |
| Remove Advertisement | $1.99 | one-time |


### InterviewPro AI

[App page](https://appshunter.io/ios/app/interviewpro-ai/id6759229830)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Monthly | $9.99 | per month |
| Pro Yearly | $49.99 | per year |
| 1 Credit | $1.99 | one-time |
| 3 Credits | $4.99 | one-time |


## Frequently asked questions

### Is Topik One free?

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

### Is InterviewPro AI free?

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

### Do Topik One or InterviewPro AI have ads?

Topik One shows ads; InterviewPro AI does not.

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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.*