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Preview 2 platforms
iPhone 9 images
iPad 9 images
What’s New Version 1.2.7
Inner changes
Description
This is an application that actually tries to do the Monty Hall problem. Two people play the role of a host and a challenger. The player (the host) chooses the winning door, which gives a more reliable game. The app counts the number of hits and shows the percentage of correct answers for each case of changing and not changing the door. For those of you who are wondering whether you should change the door or not.
There are two types.
Rotate to Use : Use a device alternately by two people.
Face to Face : Make a partition in the center of the screen with a piece of paper or something so that the challenger can't see the host's operation.
What is the Monty Hall Problem?
It is a problem for the challenger to consider what choice is best for the following game.
There are three closed doors in front of the challenger.
One door is a winning for a prize, and two doors are a miss.
First, the challenger chooses one door, then the host, Monty, opens one of the remaining doors that is missing.
The challenger now has to choose one of the following two options.
The first door selected is chosen as it is.
Re-select the remaining door that has not been opened.
Which door is most likely to win?
It is assumed that the host will open the wrong door after the challenger makes the first choice.
Accessibility
ipadiphonemacrealityDevicetvoswatch
Version history 13 versions
Build 884487617v1.2.72026-04-15 07:08:49
Inner changes
Build 883008549v1.2.62026-03-04 21:36:16
Supports iPad's compact window.
Build 881423299v1.2.52026-01-13 00:10:23
Build in a new environment
Build 876362084v1.2.42025-07-14 08:55:33
Minor corrections have been made.
Build 874636152v1.2.32025-05-09 13:19:58
Top page layout change
Reduced app size
Added word app and temperature app to Other Apps page
Build 865185684v1.2.22024-04-14 19:00:46
Changed keywords on the App Store
Build 863947909v1.2.12024-03-16 04:40:42
Changed screenshots
The Marks showing processes made clearer
Build 863884315v1.2.02024-02-20 21:49:14
Minor design changes
Added screen explaining the Monty Hall problem
Added setting to turn off door numbers
Build 863439766v1.1.32024-02-11 20:40:42
Added introductions to other apps from the same developer.
Build 862674807v1.1.22024-01-04 17:18:33
Minor changes in display content
Build 860076367v1.1.12023-09-22 21:22:26
Added app description
Built with new Xcode15
Added a review request
Build 857320205v1.1.02023-05-25 14:31:48
Added a way to use a device alternately by two people.
Added the function to save the history of winning/failure.
Added a setting for whether or not to display a win on Monty's side when playing face to face.
Changed icon.
Build 857118864v1.0.02023-05-17 20:57:38
No pricing data captured yet — comparisons appear once the app has paid storefronts or in-app purchases.
Availability 1 of 1 storefronts
| Region | Language | Price | Ratings | Avg | Version |
|---|---|---|---|---|---|
US | en-US | Free | 0 | — | 1.2.7 |
Change log 17 changes · US
✎
releaseNotes updated
Inner changes
✎
description updated
This is an application that actually tries to do the Monty Hall problem. Two people play the role of a host and a challenger. The player (the host) chooses the
✎
subtitle updated
Play Monty or Challenger
✎
name updated
MontyHallByTwo
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Version 1.2.7 released
Inner changes
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Version 1.2.6 released
Supports iPad's compact window.
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Version 1.2.5 released
Build in a new environment
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Version 1.2.4 released
Minor corrections have been made.
◆
Version 1.2.3 released
Top page layout change
Reduced app size
Added word app and temperature app to Other Apps page
◆
Version 1.2.2 released
Changed keywords on the App Store
◆
Version 1.2.1 released
Changed screenshots
The Marks showing processes made clearer
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Version 1.2.0 released
Minor design changes
Added screen explaining the Monty Hall problem
Added setting to turn off door numbers
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Version 1.1.3 released
Added introductions to other apps from the same developer.
◆
Version 1.1.2 released
Minor changes in display content
◆
Version 1.1.1 released
Added app description
Built with new Xcode15
Added a review request
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Version 1.1.0 released
Added a way to use a device alternately by two people.
Added the function to save the history of winning/failure.
Added a setting for whether or not to display a win on Monty's side when playing face to face.
Changed icon.
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Version 1.0.0 released