# Number Chain vs Harena

Number Chain and Harena 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 | Number Chain | Harena |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.0 (1 ratings)](https://appshunter.io/ios/app/harena/id6804989976/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | Every 2 months | — |
| Monetization | — | Ad-supported |
| Size | 31 MB | 84 MB |
| Requires iOS | 15.1 | **15.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Erdem Haseki](https://appshunter.io/developer/1878162182) | [SATOSHI MAEDA](https://appshunter.io/developer/6781611869) |

## What reviewers say

### Number Chain

[App page](https://appshunter.io/ios/app/number-chain-connect-and-win/id6760345382)

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

**In-app purchases:** none


### Harena

[App page](https://appshunter.io/ios/app/harena/id6804989976)

Explore a dynamic sandbox with over 165 materials, including sand, water, lava, and creatures. Simulate complex reactions, manage heat and electricity, and even control a character in a vast, offline world.

**Highlights:** 165+ materials with unique properties, Complex heat and reaction simulation, Electricity and magnetism mechanics, Wind, pressure, and airflow simulation, Playable creatures and steerable character, Offline play with save slots, Multiple simulation views

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

**In-app purchases:** none


## Frequently asked questions

### Is Number Chain free?

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

### Is Harena free?

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

### Do Number Chain or Harena have ads?

Both Number Chain and Harena 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.*