# LettersRush3D vs Super Big Brain

The clearest difference is ads: LettersRush3D at none against Super Big Brain's shown. LettersRush3D also leads on iOS requirement (11.0 vs 15.0). Super Big Brain's advantage is update cadence (every 3 days vs every 2 months). On price, 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.

LettersRush3D ships an update every 2 months, Super Big Brain every 3 days. The most recent releases landed on November 3, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | LettersRush3D | Super Big Brain |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.7 (3 ratings)](https://appshunter.io/ios/app/super-big-brain/id6781949878/reviews)** |
| Number of ratings | — | **3** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | **Every 3 days** |
| Monetization | — | Ad-supported |
| Size | 165 MB | 102 MB |
| Requires iOS | **11.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Omer Serif Bilsel](https://appshunter.io/developer/312280518) | [Super Big Future LLC](https://appshunter.io/developer/6781949880) |

## What reviewers say

### LettersRush3D

[App page](https://appshunter.io/ios/app/lettersrush3d/id6443526295)

**Features:** macOS Compatibility

**In-app purchases:** none


### Super Big Brain

[App page](https://appshunter.io/ios/app/super-big-brain/id6781949878)

Engage your mind with arcade-style math puzzles and a classic memory matching game. Compete against friends or challenge yourself with timed rounds and unique boards. Features chill music and a leaderboard to track high scores.

**Highlights:** Mathematics puzzles, Memory matching game, Single player modes, 2-player local multiplayer, Timed rounds, Leaderboard, Customizable board sizes

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

**In-app purchases:** none


## Frequently asked questions

### Is LettersRush3D free?

LettersRush3D is free to download, with no in-app purchases.

### Is Super Big Brain free?

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

### Do LettersRush3D or Super Big Brain have ads?

Super Big Brain shows ads; LettersRush3D does not.

### Which is updated more often, LettersRush3D or Super Big Brain?

LettersRush3D ships an update every 2 months, and Super Big Brain every 3 days. Most recently, LettersRush3D was updated on November 3, 2026 and Super Big Brain on October 31, 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.*