# Perfect Echo vs Refractor Dilemma

The clearest difference is ads: Refractor Dilemma at none against Perfect Echo's shown. Refractor Dilemma also leads on update cadence (every 3 months vs every 35 months). Perfect Echo's advantage is iOS requirement (12.0 vs 14.0). 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.

Perfect Echo ships an update every 35 months, Refractor Dilemma every 3 months. The most recent releases landed on September 10, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | Perfect Echo | Refractor Dilemma |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 35 months | **Every 3 months** |
| Size | 41 MB | 67 MB |
| Requires iOS | **12.0** | 14.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Marco Andreotti](https://appshunter.io/developer/1514019597) | [Matej Vanco](https://appshunter.io/developer/1540821035) |

## What reviewers say

### Perfect Echo

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

**Features:** macOS Compatibility

**In-app purchases:** none


### Refractor Dilemma

[App page](https://appshunter.io/ios/app/refractor-dilemma/id1572133713)

**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 Refractor Dilemma free?

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

### Do Perfect Echo or Refractor Dilemma have ads?

Perfect Echo shows ads; Refractor Dilemma does not.

### Which is updated more often, Perfect Echo or Refractor Dilemma?

Perfect Echo ships an update every 35 months, and Refractor Dilemma every 3 months. Most recently, Perfect Echo was updated on September 10, 2026 and Refractor Dilemma on September 19, 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.*