# Grid Genius vs Flick Letters Brain Training

The clearest difference is in-app purchases: Flick Letters Brain Training at none against Grid Genius's 4. Flick Letters Brain Training also leads on update cadence (every 3 days vs weekly) and device support (3 vs 1). Grid Genius's advantage is ads (none vs shown). On price there is nothing between them.

Both are free to download. Grid Genius sells 4 one-off in-app purchases. Flick Letters Brain Training asks for nothing beyond the download.

Grid Genius ships an update weekly, Flick Letters Brain Training every 3 days. The most recent releases landed on October 25, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | Grid Genius | Flick Letters Brain Training |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Weekly | **Every 3 days** |
| Size | 9 MB | 117 MB |
| Requires iOS | 17.6 | **14.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Maradlo s.r.o.](https://appshunter.io/developer/1589523109) | [TSUBASA MIZUNO](https://appshunter.io/developer/888522562) |

## What reviewers say

### Grid Genius

[App page](https://appshunter.io/ios/app/grid-genius/id6736571131)

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 100 Diamonds | $0.99 | one-time |
| 250 Diamonds | $1.99 | one-time |
| 500 Diamonds | $3.99 | one-time |
| 1000 Diamonds | $7.99 | one-time |


### Flick Letters Brain Training

[App page](https://appshunter.io/ios/app/flick-letters-brain-training/id6757726732)

**In-app purchases:** none


## Frequently asked questions

### Is Grid Genius free?

Grid Genius is free to download, with in-app purchases available.

### Is Flick Letters Brain Training free?

Flick Letters Brain Training is free to download, with no in-app purchases.

### Do Grid Genius or Flick Letters Brain Training have ads?

Flick Letters Brain Training shows ads; Grid Genius does not.

### Which is updated more often, Grid Genius or Flick Letters Brain Training?

Grid Genius ships an update weekly, and Flick Letters Brain Training every 3 days. Most recently, Grid Genius was updated on October 25, 2026 and Flick Letters Brain Training on October 13, 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.*