# Topik One vs STEP Maths Prep

The clearest difference is ads: STEP Maths Prep at none against Topik One's shown. On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. Topik One sells 13 in-app purchases, starting at $2.99 per month and STEP Maths Prep sells 2 in-app purchases, starting at $6.99 per month. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | Topik One | STEP Maths Prep |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Weekly | — |
| Size | 39 MB | 2 MB |
| Requires iOS | 18.0 | **17.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [jaemin park](https://appshunter.io/developer/1663603862) | [MD Shahariar Nazim Joy](https://appshunter.io/developer/1893961943) |

## 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 |


### STEP Maths Prep

[App page](https://appshunter.io/ios/app/step-maths-prep/id6793039110)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Premium | $6.99 | per month |
| Yearly Premium | $19.99 | per year |


## Frequently asked questions

### Is Topik One free?

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

### Is STEP Maths Prep free?

STEP Maths Prep is free to download, with in-app purchases available.

### Do Topik One or STEP Maths Prep have ads?

Topik One shows ads; STEP Maths Prep 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.*