# Train Sorting Puzzle vs EchoPath Challenge

The clearest difference is in-app purchases: Train Sorting Puzzle at none against EchoPath Challenge's 1. Train Sorting Puzzle also leads on iOS requirement (12.0 vs 18.6). EchoPath Challenge's advantage is ads (none vs shown). On price, update cadence and device support there is nothing between them.

Both are free to download. EchoPath Challenge sells 1 one-off in-app purchase. Train Sorting Puzzle asks for nothing beyond the download.

Both ship on a similar rhythm, roughly daily. The most recent releases landed on October 10, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | Train Sorting Puzzle | EchoPath Challenge |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/echopath-challenge/id6756325420/reviews)** |
| Number of ratings | — | **2** |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Daily | Daily |
| Monetization | — | Free |
| Size | 143 MB | 5 MB |
| Requires iOS | **12.0** | 18.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Bugbomb](https://appshunter.io/developer/1440148721) | [Anurag Gawande](https://appshunter.io/developer/1844449393) |

## What reviewers say

### Train Sorting Puzzle

[App page](https://appshunter.io/ios/app/train-sorting-puzzle/id6746746682)

**Features:** macOS Compatibility

**In-app purchases:** none


### EchoPath Challenge

[App page](https://appshunter.io/ios/app/echopath-challenge/id6756325420)

This puzzle game challenges your memory and focus by having you trace paths on a grid. Progress through hundreds of levels, earning stars based on completion time and unlocking new challenges.

**Highlights:** 200 unique levels, Star rating system, Progressive difficulty, Lives system, Progress tracking, Intuitive touch controls

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| EchoPath Challenge | $1.99 | one-time |


## Frequently asked questions

### Is Train Sorting Puzzle free?

Train Sorting Puzzle is free to download, with no in-app purchases.

### Is EchoPath Challenge free?

EchoPath Challenge is free to download, with in-app purchases available.

### Do Train Sorting Puzzle or EchoPath Challenge have ads?

Train Sorting Puzzle shows ads; EchoPath Challenge does not.

### Which is updated more often, Train Sorting Puzzle or EchoPath Challenge?

Train Sorting Puzzle ships an update daily, and EchoPath Challenge daily. Most recently, Train Sorting Puzzle was updated on October 10, 2026 and EchoPath Challenge on September 24, 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.*