# Probability for Axis & Allies®

> Axis & Allies battle simulator and dice roller with outcome estimation. (iPhone/iPad app by Isaac Evans.)

- Source: https://appshunter.io/ios/app/probability-for-axis-and-allies/id1071293647 (this page in markdown: same URL + `.md`)
- Developer: [Isaac Evans](https://appshunter.io/developer/389426274)
- Category: Games, Utilities, Board
- Price: Free with in-app purchases
- Rating: 2.40/5 from 10 App Store ratings · 15 written reviews indexed
- Age rating: 12+
- Requires: iOS 15.0 · 4 MB
- Languages: English
- Released: 2016-02-04
- Data updated: 2026-06-01
- Monetization: free with in-app purchases
- User reviews in markdown: https://appshunter.io/ios/app/probability-for-axis-and-allies/id1071293647/reviews.md

## What is Probability for Axis & Allies®?

Exactly how many Panzers does it take to capture Moscow if Stalin has piled 23 Russian infantry onto it? How many fighters do you need to send with those two infantry to ensure they take India? With the Axis and Allies Companion, you'll know! 

Enter, estimate, and battle! The Companion accurately estimates battle outcomes and odds of winning, takes you step by step through the die rolls in a specific battle, and supports the latest Axis and Allies versions and units.

*LIMITATIONS*
Note that this application is a simulator and dice roller, NOT the actual Axis and Allies game itself. This free version is provided to evaluate the simulator and is restricted to a very limited number of units of units; to permanently remove that restriction, a one-time in-app purchase is offered. (We kind of hate in-app purchases, but this way one can validate sim accuracy works before committing).

Features:
- optimization mode that figures out the minimum number of IPC's required to win
- Estimation features shows odds of winning, expected IPC loss, outcome distributions, and expected number of surviving units at the end of the battle for land, sea, and amphibious battles
- Battle feature allows you to play through the battle on your device by simply tapping "next round" instead of rolling physical dice
- Displays exact details on the dice that were rolled as well as a percentile rating of exactly how lucky (or unlucky) the roll was. This value is computed by finding the z-score for the deviation of the actual rolls from the expected outcome.
- Includes tactical bomber, mechanized infantry, and cruiser units for the new 1940/1942 editions, and supports damaged battleship + damaged carrier calculations (no other sims seem to include this)
- Includes support for the stackable AA guns in newer versions
- Turn on advanced technologies (advanced artillery, heavy bombers, super subs, etc.) and adjust simulation quality
- Custom sound effects for each unit and battle type (can be silenced)
- Optimized, crisp WWII themed graphics for the high-resolution Retina display
- Intuitive UI designed specifically for the iPhone allows for rapid entry by tapping a button or numeric entry via keypad (tap the text-box)
- Unit name overlays can be turned on

Rule sets for:
- New 1914 Edition
- 1940 and 1942 Editions
- 50th Anniversary Edition
- Revised Editions (2004 Europe, Pacific, and World)
- Original Edition

About the creators: Isaac and Aaron Evans are two cousins who grew up playing Axis and Allies at almost every family get-together and finally decided that rolling physical dice was very 20th century.

---
The AXIS & ALLIES® game and its associated trademarks, logos and copyrights are the property of Hasbro, Inc. and Wizards of the Coast LLC. This application is neither endorsed nor sponsored by Hasbro or Wizards of the Coast, and the developer of this application is not affiliated with either company.

## Key features

- Battle outcome estimation
- Digital dice rolling
- Support for multiple game editions
- Advanced unit calculations
- Customizable simulation quality
- Intuitive UI for rapid entry

## Pricing and in-app purchases

Base price: Free.

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| A&A Companion Permanent Full Upgrade | $3.99 | one-time |


## Recent user reviews (10 of 15)

All indexed reviews: https://appshunter.io/ios/app/probability-for-axis-and-allies/id1071293647/reviews.md

### 1/5 — Why

*2025-10-22, version 2.5*

Why do I have to pay to do everything when it’s free to download?

### 1/5 — Seems good but have to pay $4 to use

*2024-07-16, version 2.5*

You can’t do battle with more than 6 units unless you pay $4 so essentially the app is useless, the only time you would calculate the odds is for large scale battles, which you can’t do unless you pay.

### 3/5 — Fighters disadvantages

*2023-07-09, version 2.5*

This app seems pretty good for the most part. I’m not very good at calculating probabilities, but from what I can tell fighters are pretty useless. Getting more dice rolls increases your chances of getting a hit much more than buying a more expensive unit with odds of one, two, or even three more faces on a 6-sided die. Buying 4 infantry instead of 1 fighter increases your chances of of a hit and your opponent must land 4 hits instead of 1. The concept is the same for armor on land offense subs for sea offense. The app doesn’t do a very good job, however, of accurately calculating the odds of fighters vs subs. It tends to show both sides with close to zero chance of winning.

### 1/5 — Waste of $$$

*2020-01-25, version 2.3*

Where’s the sound? There’s a button but NO SOUND! Description lists clear crisp graphics, NOPE! What a waste of money

### 1/5 — Bait & Switch

*2020-01-20, version 2.3*

As soon as you try to “simulate,” it tells you that you need to pay to upgrade. Boo

### 5/5 — Great App

*2019-09-11, version 2.3*

I love the functionality of the app. To restore purchases, try to do a big battle with more than 6 units and a pop-up will show the restore button. The restore button should be more obvious.

### 2/5 — I’m confused

*2019-03-16, version 2.3*

So what if in 1940 global battle USA has super subs and USA is fighting Japan quick does not have super subs but on both sides they have subs

### 2/5 — Cannot upgrade

*2019-02-10, version 2.3*

Hit the upgrade link, nothing. Hit button to simulate, I get a message that I must upgrade for battles with more than 6 units. I hit the upgrade button and nothing happens.

### 3/5 — Won’t let me upgrade

*2018-12-22*

It will not allow me to upgrade.

### 5/5 — Must Have

*2017-09-20, version 2.3*

How quaint my life was rolling 12d6 over and over to invade the Caucasus wondering if I'd ever dislodge the pesky Red Army. Not so anymore. Get wrecked Stalin. 

P.S. Great to have support for the many variations of A&A and periodic updates/bug fixes.

## Frequently asked questions about Probability for Axis & Allies®

### What is Probability for Axis & Allies®?

Probability for Axis & Allies® is a digital tool that simulates battles for the Axis & Allies board game. It helps players estimate battle outcomes, calculate odds of winning, and manage dice rolls digitally.

### Does Probability for Axis & Allies® have ads?

No, Probability for Axis & Allies® does not contain advertisements. The app is free to download and use, with an optional one-time in-app purchase to remove limitations.

### How does Probability for Axis & Allies® simulate battles?

The app allows you to enter your estimated units and then simulates the battle by taking you step-by-step through the die rolls, rather than requiring physical dice.

### What game editions does Probability for Axis & Allies® support?

It supports a wide range of editions including the New 1914 Edition, 1940 and 1942 Editions, 50th Anniversary Edition, Revised Editions, and the Original Edition.

### Can I play Probability for Axis & Allies® offline?

Yes, as a simulation and dice roller, the core functionality of Probability for Axis & Allies® does not require an internet connection, allowing for offline play.

### What are the limitations of the free version?

The free version of Probability for Axis & Allies® is restricted to a very limited number of units. A one-time in-app purchase is available to permanently remove this restriction.

### How accurate are the battle outcome estimations?

The app provides estimations including odds of winning, expected IPC loss, outcome distributions, and expected number of surviving units. Users can validate sim accuracy before purchasing the full version.

### What devices can I use Probability for Axis & Allies® on?

Probability for Axis & Allies® is optimized for iOS devices, including iPhone, iPad, and iPod, and features crisp WWII-themed graphics for high-resolution Retina displays.

## Version history (last 5 releases)

### 2.8 — 2026-05-05

optimization mode that figures out the minimum number of IPC's required to win

### 2.5 — 2021-11-29

* Fixed bugs with simulator IPC & win charts
* Now available on macOS 10.11 and higher

### 2.4 — 2021-01-21

Bugfixes as reported by users, specifically:
- attacking subs do not get first strike in 1914
- correct armor and fighter values in 1914
- fix a bug where armor did not upgrade with artillery when allowed by rules

### 2.3 — 2016-06-06

* Fixed a bug where the bottom two buttons in the Sea attack view couldn't be pressed
* Added changed button state when button is being pressed

### 2.2 — 2016-06-05

Corrected carrier as capital ship (i.e. taking two hits) in 1940 rules
Major fixes to 1914 rules (tanks promoted along with artillery, air superiority rules, at least one attacking infantry remaining rule, etc.)

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## Related topics

[axis and allies](https://appshunter.io/ios/topics/axis-and-allies)

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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 2026-06-01.*