# 떠먹 vs IQ Prep

The clearest difference is in-app purchases: 떠먹 at none against IQ Prep's 1. 떠먹 also leads on device support (3 vs 1). IQ Prep's advantage is update cadence (every 2 days vs every 6 weeks). On price, ads and iOS requirement there is nothing between them.

Both are free to download. IQ Prep sells 1 one-off in-app purchase. 떠먹 asks for nothing beyond the download.

떠먹 ships an update every 6 weeks, IQ Prep every 2 days. The most recent releases landed on October 14, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | 떠먹 | IQ Prep |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 2 days** |
| Size | 46 MB | 30 MB |
| Requires iOS | **15.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [HONG IK LEE](https://appshunter.io/developer/1819512861) | [Birger Krah](https://appshunter.io/developer/1598808073) |

## What reviewers say

### 떠먹

[App page](https://appshunter.io/ios/app/9/id6770861966)

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

**In-app purchases:** none


### IQ Prep

[App page](https://appshunter.io/ios/app/iq-prep-iq-test-practice/id6809942683)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full version | $3.99 | one-time |


## Frequently asked questions

### Is 떠먹 free?

떠먹 is free to download, with no in-app purchases.

### Is IQ Prep free?

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

### Do 떠먹 or IQ Prep have ads?

Neither 떠먹 nor IQ Prep shows ads.

### Which is updated more often, 떠먹 or IQ Prep?

떠먹 ships an update every 6 weeks, and IQ Prep every 2 days. Most recently, 떠먹 was updated on October 14, 2026 and IQ Prep on October 11, 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.*