# MTG Probability — Card Probability Calculator > Card probability calculator for Magic: The Gathering and other card games. (iPhone/iPad app by TETSUSHI HOSONO.) - Source: https://appshunter.io/ios/app/mtg-probability/id817230888 (this page in markdown: same URL + `.md`) - Developer: [TETSUSHI HOSONO](https://appshunter.io/developer/817230891) - Category: Games, Utilities, Card - Price: $2.99 - Rating: 5.00/5 from 3 App Store ratings · 2 written reviews indexed - Age rating: 4+ - Requires: iOS 12.0 · 8 MB - Languages: American English - Released: 2017-05-27 - Data updated: 2026-08-09 - Monetization: paid - User reviews in markdown: https://appshunter.io/ios/app/mtg-probability/id817230888/reviews.md ## What is MTG Probability? MTG Probability is the ultimate probability calculator for card-drawing probabilities. It's primarily designed for Magic: The Gathering but works perfectly for other card games, too. - Simple and Quick: Just specify the numbers and you get the probability. Modify a number and you immediately get the updated probability. Repeat tapping the -/+ buttons to modify the numbers and see how the probability changes accordingly. - Versatile: With a little bit of ingenuity from you, almost any card-drawing probability you would care about in practice can be calculated. It supports decks with up to 100 cards and combination of up to 3 kinds of cards. - Clean One-Time Purchase: No ads. No in-app purchases. Cheaper than a pack of card sleeves. HOW TO USE Specify - Number of cards remaining in the deck - Number of cards you draw from the deck - Number of card A remaining in the deck - Number of card A you want to draw and optionally - Number of card B remaining in the deck - Number of card B you want to draw - Number of card C remaining in the deck - Number of card C you want to draw and MTG Probability immediately displays the probability of drawing that many (or more) copies of card A, B and C. You can modify these numbers by tapping the -/+ buttons and see how the probability changes accordingly. WHY PROBABILITY IS IMPORTANT Knowing the probabilities cultivates your intuition. Although it is true that most decisions in deck building and game playing are so complex that probability by itself rarely give you the final conclusion, knowing the exact probabilities for various situations makes your intuition more accurate and makes you able to make better comprehensive decisions. ## Key features - Instant probability calculation - Supports up to 100-card decks - Calculates for up to 3 card types - Real-time updates with +/- buttons - Versatile for various card games - Clean, one-time purchase ## Chart rankings - #179 in Top Paid · Card (US App Store) ## Recent user reviews (2 of 2) All indexed reviews: https://appshunter.io/ios/app/mtg-probability/id817230888/reviews.md ### 5/5 — Great app, I use it all the time for card deck construction *2025-07-11* One piece of feedback: would it be possible to set/change the default values? I use this app for Marvel Champions and would love to start at 40 instead of needing to reduce by 20 every time **Developer response:** Thank you for your feedback! We added "default values / saved parameters" to our ToDo list! ### 5/5 — Straightforward and Useful *2023-10-30* Does exactly what it needs to do. I’d love to see the ability to set default values, so I don’t have to change deck size to 40 every time. ## Frequently asked questions about MTG Probability ### What is MTG Probability used for? MTG Probability is a tool designed to calculate the odds of drawing specific cards or combinations of cards from a deck in card games like Magic: The Gathering. It helps players make more informed decisions in deck building and gameplay by providing precise probability figures. ### How does MTG Probability work? You input the total number of cards remaining in your deck, the number of cards you will draw, and the counts of specific cards (up to three types) you are interested in. The app then instantly displays the probability of drawing a certain number of those cards. ### What is the price of MTG Probability? MTG Probability is a paid app, priced at $2.99. This is a one-time purchase with no additional in-app purchases or subscriptions required. ### Does MTG Probability have ads? No, MTG Probability is ad-free. The developer has stated that the app contains no advertisements, offering an uninterrupted user experience. ### What is the deck size limit for MTG Probability? MTG Probability supports decks with up to 100 cards. This allows for calculations relevant to most standard card game deck sizes. ### Can MTG Probability calculate probabilities for multiple card types at once? Yes, MTG Probability can calculate probabilities for combinations of up to three different kinds of cards simultaneously. This provides flexibility for complex probability scenarios. ### On which devices can I use MTG Probability? MTG Probability is available for iOS devices, including iPhone, iPod, and iPad. It is designed to run on these Apple platforms. ### How often is MTG Probability updated? The latest version of MTG Probability is 1.0.6, last updated on July 21, 2025. While specific update frequency isn't detailed, this indicates ongoing support and potential for future improvements. ## Version history (last 5 releases) ### 1.0.6 — 2025-07-21 Updated the app icon. ### 1.0.5 — 2025-07-11 Improved UI details. ### 1.0.4 — 2023-10-31 Updated the screenshots on the App Store. ### 1.0.3 — 2023-10-30 Dark mode support. ### 1.0.2 — 2018-07-30 This app has been updated by Apple to display the Apple Watch app icon. 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Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-09.*