# Interactive Brain Activation for fMRI Data vs APM PFQ Prep

The clearest difference is in-app purchases: Interactive Brain Activation for fMRI Data at none against APM PFQ Prep's 3. Interactive Brain Activation for fMRI Data also leads on iOS requirement (9.1 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. APM PFQ Prep sells 3 in-app purchases, starting at $6.99 per month. Interactive Brain Activation for fMRI Data asks for nothing beyond the download.

## The numbers

| Metric | Interactive Brain Activation for fMRI Data | APM PFQ Prep |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 days | — |
| Size | 86 MB | 5 MB |
| Requires iOS | **9.1** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [King Abdullah University of Science and Technology](https://appshunter.io/developer/514099091) | [MD Shahariar Nazim Joy](https://appshunter.io/developer/1893961943) |

## What reviewers say

### Interactive Brain Activation for fMRI Data

[App page](https://appshunter.io/ios/app/interactive-brain-activation-for-fmri-data/id1114700705)

**Features:** macOS Compatibility

**In-app purchases:** none


### APM PFQ Prep

[App page](https://appshunter.io/ios/app/apm-pfq-prep/id6793517230)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Premium | $6.99 | per month |
| Yearly Premium | $19.99 | per year |
| Lifetime Access | $29.99 | one-time |


## Frequently asked questions

### Is Interactive Brain Activation for fMRI Data free?

Interactive Brain Activation for fMRI Data is free to download, with no in-app purchases.

### Is APM PFQ Prep free?

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

### Do Interactive Brain Activation for fMRI Data or APM PFQ Prep have ads?

Neither Interactive Brain Activation for fMRI Data nor APM PFQ Prep shows ads.

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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.*