# TOPIK Mock Test vs SAT Prep

The clearest difference is in-app purchases: TOPIK Mock Test at none against SAT Prep's 3. TOPIK Mock Test also leads on update cadence (daily vs monthly) and iOS requirement (12.4 vs 17.0). SAT Prep's advantage is ads (none vs shown). On price and device support there is nothing between them.

Both are free to download. SAT Prep sells 3 in-app purchases, starting at $9.99 per month. TOPIK Mock Test asks for nothing beyond the download.

TOPIK Mock Test ships an update daily, SAT Prep monthly. The most recent releases landed on November 5, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | TOPIK Mock Test | SAT Prep |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | **Daily** | Monthly |
| Size | 20 MB | 23 MB |
| Requires iOS | **12.4** | 17.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [SY KHANH HO](https://appshunter.io/developer/1851698856) | [Shanghai Xushu Information Technology Co., Ltd.](https://appshunter.io/developer/1733615663) |

## What reviewers say

### TOPIK Mock Test

[App page](https://appshunter.io/ios/app/topik-mock-test/id6778647118)

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

**In-app purchases:** none


### SAT Prep

[App page](https://appshunter.io/ios/app/sat-prep-practice-and-score/id6780398995)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| SAT Prep Pro — Monthly | $9.99 | per month |
| SAT Prep Pro — 3 Months | $19.99 | per 3 months |
| SAT Prep Pro — Lifetime | $39.99 | one-time |


## Frequently asked questions

### Is TOPIK Mock Test free?

TOPIK Mock Test is free to download, with no in-app purchases.

### Is SAT Prep free?

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

### Do TOPIK Mock Test or SAT Prep have ads?

TOPIK Mock Test shows ads; SAT Prep does not.

### Which is updated more often, TOPIK Mock Test or SAT Prep?

TOPIK Mock Test ships an update daily, and SAT Prep monthly. Most recently, TOPIK Mock Test was updated on November 5, 2026 and SAT Prep on October 28, 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.*