# One Block vs Echo Zone

The clearest difference is update cadence: One Block at every 9 days against Echo Zone's monthly. On price, review sentiment, ads and in-app purchases there is nothing between them.

Both are free to download. One Block sells 10 one-off in-app purchases and Echo Zone sells 1 in-app purchase, starting at $5.99 per year. Whichever you choose, the download price is not the number that matters.

One Block ships an update every 9 days, Echo Zone monthly. The most recent releases landed on October 7, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | One Block | Echo Zone |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (3 ratings)](https://appshunter.io/ios/app/echo-zone/id6752801641/reviews)** |
| Number of ratings | — | **3** |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | **Every 9 days** | Monthly |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 131 MB | 51 MB |
| Requires iOS | 16.0 | **15.1** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Martynas Gavelis](https://appshunter.io/developer/1532618503) | [Ghassen Ghamem](https://appshunter.io/developer/1584714475) |

## What reviewers say

### One Block

[App page](https://appshunter.io/ios/app/one-block-puzzle-adventure/id1532618501)

Test your problem-solving skills by sliding and merging blocks until only one remains. This logic puzzle offers a relaxing, stress-free experience with no time limits, featuring handcrafted levels and an accessible design for all players.

**Highlights:** Strategic block merging, No time limits, Handcrafted levels, Colorblind accessible design, Relaxing ambient audio, Achievement tracking

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $1.99 | one-time |
| Levels Package 4 | $1.99 | one-time |
| Handful of Coins | $1.99 | one-time |
| Unlimited Lives | $1.99 | one-time |
| Remove Ads Bundle | $2.99 | one-time |
| Remove Ads | $3.99 | one-time |
| Pile of Coins | $3.99 | one-time |
| Remove Ads | $5.99 | one-time |
| Remove Ads | $7.99 | one-time |
| Bucket of Coins | $7.99 | one-time |


### Echo Zone

[App page](https://appshunter.io/ios/app/echo-zone/id6752801641)

Navigate challenging mazes by mastering timing and anticipation. Choose between an easy mode with a visible map or a hard mode with limited vision. Each level requires a blend of thinking and action to avoid dangers and find the exit.

**Highlights:** Dynamic labyrinths with traps, Easy and Hard game modes, Precise controls, Short or long session play, Polished performance

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Go Ad-Free | $5.99 | per year |


## Frequently asked questions

### Is One Block free?

One Block is free to download, with in-app purchases available.

### Is Echo Zone free?

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

### Do One Block or Echo Zone have ads?

Both One Block and Echo Zone show ads.

### Which is updated more often, One Block or Echo Zone?

One Block ships an update every 9 days, and Echo Zone monthly. Most recently, One Block was updated on October 7, 2026 and Echo Zone on October 24, 2026.

---

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