# Brain Flash vs Hách Não

The clearest difference is in-app purchases: Brain Flash at none against Hách Não's 5. Brain Flash also leads on iOS requirement (9.0 vs 15.0). Hách Não's advantage is update cadence (monthly vs every 25 months). On price, ads and device support there is nothing between them.

Both are free to download. Hách Não sells 5 in-app purchases, starting at $0.99 per month. Brain Flash asks for nothing beyond the download.

Brain Flash ships an update every 25 months, Hách Não monthly. The most recent releases landed on October 21, 2026 and October 23, 2026 respectively.

## The numbers

| Metric | Brain Flash | Hách Não |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.5 (26 ratings)](https://appshunter.io/ios/app/brain-flash-mind-training/id1062164869/reviews)** | — |
| Number of ratings | **26** | — |
| Positive reviews | 56.5% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 25 months | **Monthly** |
| Monetization | Free | — |
| Size | 56 MB | 49 MB |
| Requires iOS | **9.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [PPCLINK Software](https://appshunter.io/developer/833424538) | [DEVWORLD VIETAM COMPANY LIMITED](https://appshunter.io/developer/1867412933) |

## What reviewers say

### Brain Flash

[App page](https://appshunter.io/ios/app/brain-flash-mind-training/id1062164869)

Engage your mind with six unique mini-games designed to boost cognitive abilities. Test your reflexes, memory, and pattern recognition in fast-paced challenges.

**Highlights:** Rock-paper-scissors with color rules, Speed card matching, True color perception challenge, Conditional tapping game, Directional swipe game, Identify unique patterns

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

**In-app purchases:** none


### Hách Não

[App page](https://appshunter.io/ios/app/hach-nao/id1670595895)

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| One Month VIP | $0.99 | per month |
| Three Months VIP | $1.99 | per 3 months |
| Six Months VIP | $2.99 | per 6 months |
| 1 Year VIP | $4.99 | per year |
| No ads Pack | $7.99 | one-time |


## Frequently asked questions

### Is Brain Flash free?

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

### Is Hách Não free?

Hách Não is free to download, with in-app purchases available.

### Do Brain Flash or Hách Não have ads?

Neither Brain Flash nor Hách Não shows ads.

### Which is updated more often, Brain Flash or Hách Não?

Brain Flash ships an update every 25 months, and Hách Não monthly. Most recently, Brain Flash was updated on October 21, 2026 and Hách Não on October 23, 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.*