# Lucky Twin Echo vs Ultimate Brain

The clearest difference is iOS requirement: Ultimate Brain at 15.0 against Lucky Twin Echo's 17.0. On price, rating, ratings volume and update cadence there is nothing between them.

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

On the App Store both sit at effectively the same score — 1.0 for Lucky Twin Echo against 1.0 for Ultimate Brain. Both are backed by a comparable volume of ratings — 2 and 1 respectively.

Lucky Twin Echo ships an update every 3 weeks, Ultimate Brain every 2 weeks. Both last shipped on October 26, 2026.

## The numbers

| Metric | Lucky Twin Echo | Ultimate Brain |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.0 (2 ratings)](https://appshunter.io/ios/app/lucky-twin-echo/id6805833067/reviews) | [1.0 (1 ratings)](https://appshunter.io/ios/app/ultimate-brain-crazy-spin/id6809819701/reviews) |
| Number of ratings | **2** | 1 |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 2 weeks** |
| Monetization | Free | Free |
| Size | 31 MB | 18 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Daan Meijer](https://appshunter.io/developer/6805833069) | [GREGTEY WHENKE](https://appshunter.io/developer/6809819703) |

## What reviewers say

### Lucky Twin Echo

[App page](https://appshunter.io/ios/app/lucky-twin-echo/id6805833067)

A unique puzzle game where you solve challenges using recordings of your own past actions. Each round involves creating an 'echo' of your movements to interact with the environment and overcome obstacles. With multiple echoes and intricate mechanics, master eleven distinct chambers.

**Highlights:** Record and replay your actions as echoes, Solve puzzles with up to three echoes, Interact with plates, levers, and wheels, Eleven unique chamber layouts, Undo last echo without restarting, No accounts, ads, or in-app purchases

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

**In-app purchases:** none


### Ultimate Brain

[App page](https://appshunter.io/ios/app/ultimate-brain-crazy-spin/id6809819701)

Engage in a logic and focus-testing adventure with this brain-training game. Solve hundreds of satisfying levels by sorting colors and arranging objects. It's easy to pick up but offers a masterable challenge for puzzle enthusiasts.

**Highlights:** Logic and focus testing, Color sorting puzzles, Object arrangement challenges, Hundreds of levels, Relaxing yet addictive gameplay

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

**In-app purchases:** none


## Frequently asked questions

### Is Lucky Twin Echo free?

Lucky Twin Echo is free to download, with no in-app purchases.

### Is Ultimate Brain free?

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

### Which has better reviews, Lucky Twin Echo or Ultimate Brain?

Lucky Twin Echo and Ultimate Brain are both rated 1.0 out of 5 on the App Store, from 2 and 1 ratings respectively.

### Do Lucky Twin Echo or Ultimate Brain have ads?

Neither Lucky Twin Echo nor Ultimate Brain shows ads.

### Which is updated more often, Lucky Twin Echo or Ultimate Brain?

Lucky Twin Echo ships an update every 3 weeks, and Ultimate Brain every 2 weeks. Most recently, Lucky Twin Echo was updated on October 26, 2026 and Ultimate Brain on October 26, 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.*