# 1A2B Guess the Number — Hone your logical ability! > Logic puzzle game for guessing secret numbers with 'A' and 'B' feedback. (iPhone/iPad app by Shi Ying Pan.) - Source: https://appshunter.io/ios/app/1a2b-guess-the-number/id1665423663 (this page in markdown: same URL + `.md`) - Developer: [Shi Ying Pan](https://appshunter.io/developer/1163610450) - Category: Games, Entertainment, Casual, Puzzle - Price: Free - Rating: 5.00/5 from 1 App Store ratings - Age rating: 4+ - Requires: iOS 11.0 · 24 MB - Languages: English - Released: 2023-01-16 - Data updated: 2026-07-05 - Monetization: free - User reviews in markdown: https://appshunter.io/ios/app/1a2b-guess-the-number/id1665423663/reviews.md ## What is 1A2B Guess the Number? "A" means that a certain number you guess is the same as a certain number of the answer, and their position is also the same. "B" means that a certain number you guess is the same as a certain number of the answer but the position of the number you guess is wrong. The following content refers to "3, 4 or 5 unique numbers" as "Numbers". == User guess == Before starting the game, the app will randomly generate Numbers. After the game starts, you need to enter Numbers. When you press Done icon, the app will send back the result (e.g. 1A3B). Repeat the previous step until you successfully guess the answer. The more you practice, the faster you will get! == Machine guess == Before the game starts, the app will enter a guessing state. After the game starts, you need to enter the answer to the question (e.g. 1234) displayed by the app. When you press Done, the app will ask the next question. Repeat the previous step until the app successfully guesses the answer. PLEASE NOTE: If there is one wrong answer, the app will not be able to guess successfully, so please think carefully before answering! Here you can feel the guesswork process in perfect condition! ## Key features - Guess secret numbers - Receive 'A' and 'B' feedback - Two game modes (user guess, machine guess) - Hone logical ability - Practice deductive reasoning ## Frequently asked questions about 1A2B Guess the Number ### What is 1A2B Guess the Number? 1A2B Guess the Number is a logic puzzle game where players guess a secret number. The game provides feedback using 'A' (correct number, correct position) and 'B' (correct number, wrong position) to help players deduce the answer. ### How do you play 1A2B Guess the Number? You can play in two modes: guess the computer's secret number by entering your guesses and receiving 'A'/'B' feedback, or have the computer guess a number you've secretly chosen. The goal is to guess the number correctly. ### Is 1A2B Guess the Number free to play? Yes, 1A2B Guess the Number is completely free to download and play. There are no costs associated with accessing its core gameplay features. ### Does 1A2B Guess the Number have ads? No, 1A2B Guess the Number does not contain advertisements. Players can enjoy the game without any interruptions from ads. ### What devices does 1A2B Guess the Number support? 1A2B Guess the Number is available on iPhone, iPad, and iPod devices. It is designed for iOS users. ### What is the age rating for 1A2B Guess the Number? The app has an age rating of 4+, making it suitable for a wide range of players, including younger audiences interested in logic puzzles. ### How often is 1A2B Guess the Number updated? The app was last updated on January 16, 2023, with version 4.5.2. Further updates will depend on the developer's release schedule. ### What makes 1A2B Guess the Number good for logical ability? The game's core mechanic relies on deductive reasoning. Players must analyze the 'A' and 'B' feedback from each guess to eliminate possibilities and logically arrive at the correct number. ## Version history (last 1 release) ### 4.5.2 — 2023-01-16 No release notes. ## Apps similar to 1A2B Guess the Number | App | Rating | Price | Category | | --- | --- | --- | --- | | [Flip Tile & Match](https://appshunter.io/ios/app/flip-tile-and-match/id977298810) | — | Free | Games | | [Num Dash - Number Puzzle Game](https://appshunter.io/ios/app/num-dash-number-puzzle-game/id6478018709) | — | Free | Games | | [Numble: Number Guessing Game](https://appshunter.io/ios/app/numble-number-guessing-game/id6755656822) | — | Free | Games | | [NumGuess: Number Guess Puzzle](https://appshunter.io/ios/app/numguess-number-guess-puzzle/id6739532089) | — | Free | Games | | [Guess What?-Math & Color Games](https://appshunter.io/ios/app/guess-what-math-and-color-games/id1660462726) | 5.0 (1) | Free | Games | | [Minesweeper - Learn & Play](https://appshunter.io/ios/app/minesweeper-learn-and-play/id6761989289) | — | Free | Games | ## More apps by Shi Ying Pan - [Osmile GPS Tracker](https://appshunter.io/ios/app/osmile-gps-tracker/id1547811142) - [NCHUPass](https://appshunter.io/ios/app/nchupass/id6738906195) - [NTU-Course2Cal](https://appshunter.io/ios/app/ntu-course2cal/id6756231318) - [geologger](https://appshunter.io/ios/app/geologger/id6756638045) All apps by Shi Ying Pan: https://appshunter.io/developer/1163610450 --- *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 2026-07-05.*