# KMLegend vs Echo Dig

The clearest difference is in-app purchases: KMLegend at none against Echo Dig's 1. KMLegend also leads on iOS requirement (12.0 vs 16.0). Echo Dig's advantage is ads (none vs shown). On price, update cadence and device support there is nothing between them.

Both are free to download. Echo Dig sells 1 one-off in-app purchase. KMLegend asks for nothing beyond the download.

KMLegend ships an update fortnightly, Echo Dig every 3 weeks. The most recent releases landed on October 14, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | KMLegend | Echo Dig |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (17 ratings)](https://appshunter.io/ios/app/kmlegend/id1593171643/reviews)** | — |
| Number of ratings | **17** | — |
| Positive reviews | 57.1% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | **Fortnightly** | Every 3 weeks |
| Monetization | Ad-supported | — |
| Size | 723 MB | 9 MB |
| Requires iOS | **12.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 9+ | 4+ |
| Developer | [国强 杨](https://appshunter.io/developer/1593168395) | [Amit Abhishek](https://appshunter.io/developer/1804334519) |

## What reviewers say

### KMLegend

[App page](https://appshunter.io/ios/app/kmlegend/id1593171643)

Embark on an oriental fantasy adventure with random item drops and offline benefits. Refine items, smelt equipment, and battle diverse monsters in a world with a dynamic weather system. Continuously evolving content offers new challenges and gameplay.

**Highlights:** Random item, material, and equipment drops, Offline hang-up benefits, Dan furnace and medicine refining, Unique equipment smelting and recasting, Dynamic weather system, Evolving late-game content

**In-app purchases:** none


### Echo Dig

[App page](https://appshunter.io/ios/app/echo-dig/id6790164889)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| The Deep | $4.99 | one-time |


## Frequently asked questions

### Is KMLegend free?

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

### Is Echo Dig free?

Echo Dig is free to download, with in-app purchases available.

### Do KMLegend or Echo Dig have ads?

KMLegend shows ads; Echo Dig does not.

### Which is updated more often, KMLegend or Echo Dig?

KMLegend ships an update fortnightly, and Echo Dig every 3 weeks. Most recently, KMLegend was updated on October 14, 2026 and Echo Dig on October 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.*