# 1A2B Fun! - Logic, Mastermind — Casual brainstorm for you!

> Classic logic puzzle game with Mastermind and 5-digit modes for competitive play. (iPhone/iPad app by Ming-Ta Yang.)

- Source: https://appshunter.io/ios/app/1a2b-fun-logic-mastermind/id1459347669 (this page in markdown: same URL + `.md`)
- Developer: [Ming-Ta Yang](https://appshunter.io/developer/1459347668)
- Category: Entertainment, Games, Family, Puzzle
- Price: Free with in-app purchases
- Rating: 5.00/5 from 1 App Store ratings
- Age rating: 4+
- Requires: iOS 13.0 · 7 MB
- Languages: English, Chinese, Chinese
- Released: 2019-04-21
- Data updated: 2026-06-24
- Monetization: free with in-app purchases
- User reviews in markdown: https://appshunter.io/ios/app/1a2b-fun-logic-mastermind/id1459347669/reviews.md

## What is 1A2B Fun!?

---Mastermind---
Enjoy the classic logic game!

---5-digit Mode---
Prepared to embrace the challenge!

---Rank---
Try to challenge your friends and beat them to ground!

## Key features

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

## Pricing and in-app purchases

Base price: Free.

**One-time purchases**

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



## Frequently asked questions about 1A2B Fun!

### What is 1A2B Fun!?

1A2B Fun! is a logic puzzle game that includes a classic Mastermind mode and a more challenging 5-digit mode. It allows you to compete with friends and climb the ranks.

### Does 1A2B Fun! have ads?

Yes, 1A2B Fun! contains advertisements. It is a free application supported by ads.

### What devices support 1A2B Fun!?

1A2B Fun! is available on iPhone, iPad, and iPod devices. It is designed for iOS users.

### What is the age rating for 1A2B Fun!?

1A2B Fun! has an age rating of 4+. This makes it suitable for younger players and families.

### How often is 1A2B Fun! updated?

The latest version of 1A2B Fun! is 2.5, which was last updated on November 7, 2023. Updates typically bring improvements and new features.

### Can I play 1A2B Fun! offline?

The provided information does not specify if 1A2B Fun! can be played offline. However, competitive features may require an internet connection.

### What is the user rating for 1A2B Fun!?

1A2B Fun! has an excellent rating of 5.0 stars from 1 rating, indicating high user satisfaction.

### Are there in-app purchases in 1A2B Fun!?

Yes, 1A2B Fun! does offer in-app purchases. These may enhance the gameplay experience or offer additional content.

## Version history (last 5 releases)

### 2.5 — 2023-11-07

In this update, we've made some changes to our advertising settings to ensure that we're in compliance with the EU user consent policy. If you're in the EU or UK, you may notice that we're now collecting consent from you regarding how we use ads in our app. Your privacy is important to us, and these updates help us provide a better experience while respecting your preferences.

### 2.3 — 2021-04-27

【NEW】Tactile response for fun!
【NEW】Users can accept app tracing for customized ads.
【FIX】dark mode appearance display

### 2.2 — 2021-04-06

【Fix】Digit display got cut out for certain screen sizes.

### 2.1 — 2019-10-07

Support Dark Mode for iOS13 and above.
Improve Helper.
Bug fixed.

### 2.0 — 2019-09-20

Update user interface and experience.
Add 5-digit mode.

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## More apps by Ming-Ta Yang

- [Easy Timing! Lite - Timer](https://appshunter.io/ios/app/easy-timing-lite-timer/id1478238203)

All apps by Ming-Ta Yang: https://appshunter.io/developer/1459347668

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-06-24.*