# 萬花尺 vs 1A2B Fun!

The clearest difference is in-app purchases: 萬花尺 at none against 1A2B Fun!'s 1. 萬花尺 also leads on ads (none vs shown) and iOS requirement (9.0 vs 13.0). On price, update cadence and device support there is nothing between them.

Both are free to download. 1A2B Fun! sells 1 one-off in-app purchase. 萬花尺 asks for nothing beyond the download.

萬花尺 ships an update every 4 months, 1A2B Fun! every 3 months. The most recent releases landed on October 9, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | 萬花尺 | 1A2B Fun! |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/1a2b-fun-logic-mastermind/id1459347669/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 4 months | **Every 3 months** |
| Monetization | — | Free with in-app purchases |
| Size | 16 MB | 7 MB |
| Requires iOS | **9.0** | 13.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Chimo CO. LTD.](https://appshunter.io/developer/1305951815) | [Ming-Ta Yang](https://appshunter.io/developer/1459347668) |

## What reviewers say

### 萬花尺

[App page](https://appshunter.io/ios/app/id1305951816)

**Features:** macOS Compatibility

**In-app purchases:** none


### 1A2B Fun!

[App page](https://appshunter.io/ios/app/1a2b-fun-logic-mastermind/id1459347669)

Engage in classic logic puzzles with a Mastermind mode and a challenging 5-digit option. Compete with friends to achieve top ranks and test your deductive reasoning skills in this casual brain teaser.

**Highlights:** Classic Mastermind logic game, 5-digit challenge mode, Rankings for friend competition, Casual brain teaser, Deductive reasoning puzzles

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Bottom Ad | $0.99 | one-time |


## Frequently asked questions

### Is 萬花尺 free?

萬花尺 is free to download, with no in-app purchases.

### Is 1A2B Fun! free?

1A2B Fun! is free to download, with in-app purchases available.

### Do 萬花尺 or 1A2B Fun! have ads?

1A2B Fun! shows ads; 萬花尺 does not.

### Which is updated more often, 萬花尺 or 1A2B Fun!?

萬花尺 ships an update every 4 months, and 1A2B Fun! every 3 months. Most recently, 萬花尺 was updated on October 9, 2026 and 1A2B Fun! on October 24, 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.*