# 二向箔 vs RuleMining2A

The clearest difference is in-app purchases: 二向箔 at none against RuleMining2A's 1. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. RuleMining2A sells 1 one-off in-app purchase. 二向箔 asks for nothing beyond the download.

Both ship on a similar rhythm, roughly monthly. The most recent releases landed on August 17, 2026 and September 7, 2026 respectively.

## The numbers

| Metric | 二向箔 | RuleMining2A |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/id6446796410/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Monthly | Monthly |
| Size | 12 MB | 28 MB |
| Requires iOS | **16.0** | 16.1 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [嘉 米](https://appshunter.io/developer/1490365125) | [Chu-Yi Chang](https://appshunter.io/developer/943416679) |

## What reviewers say

### 二向箔

[App page](https://appshunter.io/ios/app/id6446796410)

**Features:** Vision Pro support

**In-app purchases:** none


### 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 二向箔 free?

二向箔 is free to download, with no in-app purchases.

### Is RuleMining2A free?

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

### Do 二向箔 or RuleMining2A have ads?

Neither 二向箔 nor RuleMining2A shows ads.

### Which is updated more often, 二向箔 or RuleMining2A?

二向箔 ships an update monthly, and RuleMining2A monthly. Most recently, 二向箔 was updated on August 17, 2026 and RuleMining2A on September 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.*