Defend the Brain vs Interrogation
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Defend the Brain
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.
- Brain speed test
- Left vs. Right brain dominance
- Global leaderboards
- Split-second reaction challenges
- Compete with friends
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Your brain is much faster than you think. Maybe the world's fastest. Find out now! Compete with friends from around the world. A breathtaking game of 0.000001 seconds. The game ends when you give up. Challenge it now! The right hand is connected to the left brain and the left hand is connected to the right brain. If you use both hands at the same time, which brain will you use more? Who is your brain like? Would you like to use your left brain as much as Da Vinci, Newton and Edison? Or will he use his right brain as much as Archimedes, Mozart, and Beethoven? Test it now! Pixel Bistro is a creative studio. We are trying new innovations in the digital world. Privacy Policy We believe privacy is very important. Please consult our Web site privacy page.
Interrogation
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.
- Record suspect testimonies
- Interrogate suspects cleverly
- Manipulate psychology
- Uncover the truth
- Create crucial clues
- Raise new suspicions
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You are an investigator! Record the suspects' testimonies and interrogate them cleverly. Make them distrust each other to uncover the truth or lead them to the answer you want. Will you find the truth or create the criminal? Combine the testimonies and manipulate psychology to continue the investigation. Your choices can create crucial clues or raise new suspicions. Start the investigation now!
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | Defend the Brain | Interrogation |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (2 ratings) — better | 3.0 (2 ratings) |
| Number of ratings | 2 | 2 |
| Update frequency | Every 5 weeks | Daily — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Free — better |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 8.0 — better | 13.0 |
| Further details — not scored | ||
| Size | 57 MB | 650 MB |
| Age rating | 9+ | 4+ |
| Developer | Pixel Bistro | HAKJIN LEE |
Customer experience
Defend the Brain
Interrogation
In-app purchases
Defend the Brain
- Remove Ads$0.99
Interrogation
No in-app purchases
Questions
Is Defend the Brain free?
Is Interrogation free?
Which has better reviews, Defend the Brain or Interrogation?
Do Defend the Brain or Interrogation have ads?
Which is updated more often, Defend the Brain or Interrogation?
Other comparisons
