# Perfect Echo vs Find Odd Puzzle World

The clearest difference is ads: Find Odd Puzzle World at none against Perfect Echo's shown. Find Odd Puzzle World also leads on update cadence (every 2 days vs every 35 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

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

Perfect Echo ships an update every 35 months, Find Odd Puzzle World every 2 days. Both last shipped on November 7, 2026.

## The numbers

| Metric | Perfect Echo | Find Odd Puzzle World |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 35 months | **Every 2 days** |
| Size | 41 MB | 142 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Marco Andreotti](https://appshunter.io/developer/1514019597) | [Muruvvet Gurbuz Ciftci](https://appshunter.io/developer/1687457220) |

## What reviewers say

### Perfect Echo

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

**Features:** macOS Compatibility

**In-app purchases:** none


### Find Odd Puzzle World

[App page](https://appshunter.io/ios/app/find-odd-puzzle-world/id6449022451)

**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 Find Odd Puzzle World free?

Find Odd Puzzle World is free to download, with no in-app purchases.

### Do Perfect Echo or Find Odd Puzzle World have ads?

Perfect Echo shows ads; Find Odd Puzzle World does not.

### Which is updated more often, Perfect Echo or Find Odd Puzzle World?

Perfect Echo ships an update every 35 months, and Find Odd Puzzle World every 2 days. Most recently, Perfect Echo was updated on November 7, 2026 and Find Odd Puzzle World on November 7, 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.*