# Perfect Echo vs Trivia Brain Challenge

Perfect Echo and Trivia Brain Challenge are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

## The numbers

| Metric | Perfect Echo | Trivia Brain Challenge |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | Every 35 months | — |
| Size | 41 MB | 32 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 17+ |
| Developer | [Marco Andreotti](https://appshunter.io/developer/1514019597) | [Ferran Espuna](https://appshunter.io/developer/1608027657) |

## What reviewers say

### Perfect Echo

[App page](https://appshunter.io/ios/app/perfect-echo/id1544980146)

**Features:** macOS Compatibility

**In-app purchases:** none


### Trivia Brain Challenge

[App page](https://appshunter.io/ios/app/trivia-brain-challenge/id6736469851)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Perfect Echo free?

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

### Is Trivia Brain Challenge free?

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

### Do Perfect Echo or Trivia Brain Challenge have ads?

Both Perfect Echo and Trivia Brain Challenge show ads.

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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.*