# MarsChat vs RuleMining2A

The clearest difference is iOS requirement: MarsChat at 11.0 against RuleMining2A's 16.1. On price and in-app purchases there is nothing between them.

Both are free to download. MarsChat sells 3 one-off in-app purchases and RuleMining2A sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | MarsChat | RuleMining2A |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | — | No |
| Update frequency | — | Monthly |
| Size | 42 MB | 28 MB |
| Requires iOS | **11.0** | 16.1 |
| Devices | — | **iPhone** |
| Age rating | 4+ | 4+ |
| Developer | [垚楠 卜](https://appshunter.io/developer/1691676109) | [Chu-Yi Chang](https://appshunter.io/developer/943416679) |

## What reviewers say

### MarsChat

[App page](https://appshunter.io/ios/app/marschat/id6450033150)

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 火星Chat 会员使用权一个月 | $2.99 | one-time |
| 火星Chat 会员使用权3个月 | $6.99 | one-time |
| 火星Chat 会员使用权12个月 | $24.99 | one-time |


### RuleMining2A

[App page](https://appshunter.io/ios/app/rulemining2a/id6451235610)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock Data Cap | $1.99 | one-time |


## Frequently asked questions

### Is MarsChat free?

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

### Is RuleMining2A free?

RuleMining2A is free to download, with in-app purchases available.

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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.*