# Echo Step vs Logic Puzzle Library

The clearest difference is update cadence: Logic Puzzle Library at weekly against Echo Step's every 3 weeks. On price, ads, 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.

Echo Step ships an update every 3 weeks, Logic Puzzle Library weekly. The most recent releases landed on November 6, 2026 and November 13, 2026 respectively.

## The numbers

| Metric | Echo Step | Logic Puzzle Library |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | Every 3 weeks | **Weekly** |
| Size | 16 MB | 31 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [JOO HYUN SUNG](https://appshunter.io/developer/1438003962) | [Gyuhyeon Jeon](https://appshunter.io/developer/353770805) |

## 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


### Logic Puzzle Library

[App page](https://appshunter.io/ios/app/logic-puzzle-library/id6810102838)

**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 Logic Puzzle Library free?

Logic Puzzle Library is free to download, with no in-app purchases.

### Do Echo Step or Logic Puzzle Library have ads?

Both Echo Step and Logic Puzzle Library show ads.

### Which is updated more often, Echo Step or Logic Puzzle Library?

Echo Step ships an update every 3 weeks, and Logic Puzzle Library weekly. Most recently, Echo Step was updated on November 6, 2026 and Logic Puzzle Library on November 13, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*