# Immunotrain vs Brain Plop 67 | Mind Trainer

The clearest difference is update cadence: Brain Plop 67 | Mind Trainer at fortnightly against Immunotrain's every 4 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Immunotrain ships an update every 4 months, Brain Plop 67 | Mind Trainer fortnightly. The most recent releases landed on October 27, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Immunotrain | Brain Plop 67 | Mind Trainer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/brain-plop-67-mind-trainer/id6754528036/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Fortnightly** |
| Monetization | — | Free |
| Size | 29 MB | 17 MB |
| Requires iOS | 14.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Fabian Brand](https://appshunter.io/developer/1572309046) | [Reach Design](https://appshunter.io/developer/1800213103) |

## What reviewers say

### Immunotrain

[App page](https://appshunter.io/ios/app/immunotrain/id1572309044)

**Features:** macOS Compatibility

**In-app purchases:** none


### Brain Plop 67 | Mind Trainer

[App page](https://appshunter.io/ios/app/brain-plop-67-mind-trainer/id6754528036)

This game challenges your recall, focus, and concentration with increasingly difficult memory puzzles. Engage in short, satisfying sessions designed to enhance cognitive abilities and track your progress against personal bests.

**Highlights:** Addictive memory sequences, Progressive difficulty levels, Clean, minimalist design, Short, satisfying sessions, Score tracking and personal records, Enhances working memory and cognitive flexibility

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Immunotrain free?

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

### Is Brain Plop 67 | Mind Trainer free?

Brain Plop 67 | Mind Trainer is free to download, with no in-app purchases.

### Do Immunotrain or Brain Plop 67 | Mind Trainer have ads?

Neither Immunotrain nor Brain Plop 67 | Mind Trainer shows ads.

### Which is updated more often, Immunotrain or Brain Plop 67 | Mind Trainer?

Immunotrain ships an update every 4 months, and Brain Plop 67 | Mind Trainer fortnightly. Most recently, Immunotrain was updated on October 27, 2026 and Brain Plop 67 | Mind Trainer on October 30, 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.*