# 牆壁圍棋 vs Rummi Timer

The clearest difference is in-app purchases: Rummi Timer at none against 牆壁圍棋's 1. 牆壁圍棋's advantage is update cadence (monthly vs every 10 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. 牆壁圍棋 sells 1 one-off in-app purchase. Rummi Timer asks for nothing beyond the download.

牆壁圍棋 ships an update monthly, Rummi Timer every 10 months. The most recent releases landed on October 1, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | 牆壁圍棋 | Rummi Timer |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Monthly** | Every 10 months |
| Size | 5 MB | 1 MB |
| Requires iOS | **18.2** | 18.4 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Chi-Shun Chen](https://appshunter.io/developer/1134380514) | [HAN SHENG WANG](https://appshunter.io/developer/1833824057) |

## What reviewers say

### 牆壁圍棋

[App page](https://appshunter.io/ios/app/id6746437566)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Multiplayer Mode | $2.99 | one-time |


### Rummi Timer

[App page](https://appshunter.io/ios/app/rummi-timer/id6751647116)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 牆壁圍棋 free?

牆壁圍棋 is free to download, with in-app purchases available.

### Is Rummi Timer free?

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

### Do 牆壁圍棋 or Rummi Timer have ads?

Neither 牆壁圍棋 nor Rummi Timer shows ads.

### Which is updated more often, 牆壁圍棋 or Rummi Timer?

牆壁圍棋 ships an update monthly, and Rummi Timer every 10 months. Most recently, 牆壁圍棋 was updated on October 1, 2026 and Rummi Timer on October 10, 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.*