# Defend the Brain vs Interrogation

The clearest difference is rating: Defend the Brain at 5.0 against Interrogation's 3.0. Defend the Brain also leads on iOS requirement (8.0 vs 13.0). Interrogation's advantage is in-app purchases (none vs 1) and update cadence (daily vs every 5 weeks). On price, ratings volume, ads and device support there is nothing between them.

Both are free to download. Defend the Brain sells 1 one-off in-app purchase. Interrogation asks for nothing beyond the download.

Defend the Brain holds the better App Store score, 5.0 against 3.0. Both are backed by a comparable volume of ratings — 2 and 2 respectively.

Defend the Brain ships an update every 5 weeks, Interrogation daily. The most recent releases landed on October 8, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Defend the Brain | Interrogation |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/defend-the-brain-right-left-brain-test/id1240222889/reviews)** | [3.0 (2 ratings)](https://appshunter.io/ios/app/interrogation-false-testimony/id6738446333/reviews) |
| Number of ratings | 2 | 2 |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Daily** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 57 MB | 650 MB |
| Requires iOS | **8.0** | 13.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 9+ | 4+ |
| Developer | [Pixel Bistro](https://appshunter.io/developer/976506039) | [HAKJIN LEE](https://appshunter.io/developer/1724771708) |

## What reviewers say

### Defend the Brain

[App page](https://appshunter.io/ios/app/defend-the-brain-right-left-brain-test/id1240222889)

Test your brain's speed and dominance between the left and right hemispheres. Compete globally in a game of split-second reactions. See if you can keep up with historical geniuses.

**Highlights:** Brain speed test, Left vs. Right brain dominance, Global leaderboards, Split-second reaction challenges, Compete with friends

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $0.99 | one-time |


### Interrogation

[App page](https://appshunter.io/ios/app/interrogation-false-testimony/id6738446333)

Step into the role of an investigator, recording suspect testimonies and using psychological manipulation to uncover the truth or guide them to a desired conclusion. Your choices will forge crucial clues or sow seeds of suspicion.

**Highlights:** Record suspect testimonies, Interrogate suspects cleverly, Manipulate psychology, Uncover the truth, Create crucial clues, Raise new suspicions

**In-app purchases:** none


## Frequently asked questions

### Is Defend the Brain free?

Defend the Brain is free to download, with in-app purchases available.

### Is Interrogation free?

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

### Which has better reviews, Defend the Brain or Interrogation?

Defend the Brain is rated higher. Defend the Brain averages 5.0 out of 5 from 2 ratings, while Interrogation averages 3.0 from 2 ratings.

### Do Defend the Brain or Interrogation have ads?

Neither Defend the Brain nor Interrogation shows ads.

### Which is updated more often, Defend the Brain or Interrogation?

Defend the Brain ships an update every 5 weeks, and Interrogation daily. Most recently, Defend the Brain was updated on October 8, 2026 and Interrogation on October 24, 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.*