# Echo Step vs Screw Sort Puzzle

Echo Step and Screw Sort Puzzle 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 | Echo Step | Screw Sort Puzzle |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | Every 3 weeks | — |
| Size | 16 MB | 128 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [JOO HYUN SUNG](https://appshunter.io/developer/1438003962) | [Robert Batorowski](https://appshunter.io/developer/1881069719) |

## What reviewers say

### Echo Step

[App page](https://appshunter.io/ios/app/echo-step-first-move/id6800201050)

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

**In-app purchases:** none


### Screw Sort Puzzle

[App page](https://appshunter.io/ios/app/screw-sort-puzzle-color-pop/id6804949462)

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

**In-app purchases:** none


## Frequently asked questions

### Is Echo Step free?

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

### Is Screw Sort Puzzle free?

Screw Sort Puzzle is free to download, with no in-app purchases.

### Do Echo Step or Screw Sort Puzzle have ads?

Both Echo Step and Screw Sort Puzzle 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.*