# Questionnaire App vs IQ Test

The clearest difference is in-app purchases: Questionnaire App at none against IQ Test's 1. Questionnaire App also leads on iOS requirement (12.1 vs 15.0). On price, update cadence, ads and device support there is nothing between them.

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

Questionnaire App ships an update every 9 days, IQ Test weekly. The most recent releases landed on November 7, 2026 and November 9, 2026 respectively.

## The numbers

| Metric | Questionnaire App | IQ Test |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 9 days | **Weekly** |
| Size | 45 MB | 68 MB |
| Requires iOS | **12.1** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Timothy Wong](https://appshunter.io/developer/1569848489) | [Gunawan Santoso](https://appshunter.io/developer/1843786072) |

## What reviewers say

### Questionnaire App

[App page](https://appshunter.io/ios/app/questionnaire-app/id1569848487)

**Features:** macOS Compatibility

**In-app purchases:** none


### IQ Test

[App page](https://appshunter.io/ios/app/iq-test-brain-challenge/id6761675199)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| BrainIQ Pro | $6.99 | one-time |


## Frequently asked questions

### Is Questionnaire App free?

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

### Is IQ Test free?

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

### Do Questionnaire App or IQ Test have ads?

Neither Questionnaire App nor IQ Test shows ads.

### Which is updated more often, Questionnaire App or IQ Test?

Questionnaire App ships an update every 9 days, and IQ Test weekly. Most recently, Questionnaire App was updated on November 7, 2026 and IQ Test on November 9, 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.*