# Intelligence Test vs IQ Prep

The clearest difference is in-app purchases: Intelligence Test at none against IQ Prep's 1. Intelligence Test also leads on device support (3 vs 1). IQ Prep's advantage is ads (none vs shown) and update cadence (every 2 days vs every 4 months). On price and iOS requirement there is nothing between them.

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

Intelligence Test ships an update every 4 months, IQ Prep every 2 days. The most recent releases landed on October 24, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | Intelligence Test | IQ Prep |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 4 months | **Every 2 days** |
| Size | 42 MB | 30 MB |
| Requires iOS | **15.1** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Nagy Solaiman](https://appshunter.io/developer/6809016106) | [Birger Krah](https://appshunter.io/developer/1598808073) |

## What reviewers say

### Intelligence Test

[App page](https://appshunter.io/ios/app/intelligence-test-iq-scale/id6782981607)

**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 Intelligence Test free?

Intelligence Test 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 Intelligence Test or IQ Prep have ads?

Intelligence Test shows ads; IQ Prep does not.

### Which is updated more often, Intelligence Test or IQ Prep?

Intelligence Test ships an update every 4 months, and IQ Prep every 2 days. Most recently, Intelligence Test was updated on October 24, 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.*