# Brain Training | Brain Train 2 vs Tank War Defender 3

The clearest difference is iOS requirement: Brain Training | Brain Train 2 at 9.0 against Tank War Defender 3's 12.0. On price, update cadence, ads and in-app purchases there is nothing between them.

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

Brain Training | Brain Train 2 ships an update every 8 months, Tank War Defender 3 every 14 months. The most recent releases landed on November 3, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | Brain Training | Brain Train 2 | Tank War Defender 3 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/brain-training-brain-train-2/id1184426774/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | **Every 8 months** | Every 14 months |
| Monetization | Ad-supported | — |
| Size | 48 MB | 43 MB |
| Requires iOS | **9.0** | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [HECTOR GAUCHIA SAFONT](https://appshunter.io/developer/869245759) | [Jean Lionel Darie](https://appshunter.io/developer/580459828) |

## What reviewers say

### Brain Training | Brain Train 2

[App page](https://appshunter.io/ios/app/brain-training-brain-train-2/id1184426774)

Engage your logic and memory with this train-themed puzzle game. Connect railway tracks to guide trains to their destinations, solve visual riddles, and test your strategic thinking. It's a free game designed to sharpen your mind.

**Highlights:** Connect railway tracks, Guide trains to destinations, Solve visual riddles, Logic and strategy challenges, No time limit, Translated into 22 languages

**In-app purchases:** none


### Tank War Defender 3

[App page](https://appshunter.io/ios/app/tank-war-defender-3/id1273775956)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Brain Training | Brain Train 2 free?

Brain Training | Brain Train 2 is free to download, with no in-app purchases.

### Is Tank War Defender 3 free?

Tank War Defender 3 is free to download, with no in-app purchases.

### Do Brain Training | Brain Train 2 or Tank War Defender 3 have ads?

Both Brain Training | Brain Train 2 and Tank War Defender 3 show ads.

### Which is updated more often, Brain Training | Brain Train 2 or Tank War Defender 3?

Brain Training | Brain Train 2 ships an update every 8 months, and Tank War Defender 3 every 14 months. Most recently, Brain Training | Brain Train 2 was updated on November 3, 2026 and Tank War Defender 3 on November 6, 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.*