# IQ Test 2016 vs IQ Prep

The clearest difference is in-app purchases: IQ Test 2016 at none against IQ Prep's 1. IQ Test 2016 also leads on device support (3 vs 1) and iOS requirement (6.0 vs 16.4). IQ Prep's advantage is update cadence (every 2 days vs every 2 months). On price and ads there is nothing between them.

Both are free to download. IQ Prep sells 1 one-off in-app purchase. IQ Test 2016 asks for nothing beyond the download.

IQ Test 2016 ships an update every 2 months, IQ Prep every 2 days. The most recent releases landed on October 26, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | IQ Test 2016 | IQ Prep |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 2 days** |
| Size | 20 MB | 30 MB |
| Requires iOS | **6.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [rahul baweja](https://appshunter.io/developer/804610215) | [Codefellas GmbH](https://appshunter.io/developer/1598808073) |

## What reviewers say

### IQ Test 2016

[App page](https://appshunter.io/ios/app/iq-test-2016/id1060055586)

**Features:** macOS Compatibility

**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 IQ Test 2016 free?

IQ Test 2016 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 IQ Test 2016 or IQ Prep have ads?

Neither IQ Test 2016 nor IQ Prep shows ads.

### Which is updated more often, IQ Test 2016 or IQ Prep?

IQ Test 2016 ships an update every 2 months, and IQ Prep every 2 days. Most recently, IQ Test 2016 was updated on October 26, 2026 and IQ Prep on October 31, 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.*