# Pre-Algebra Fundamentals — by Math Galaxy

> by Math Galaxy (iPhone/iPad app by Gilbert Reilly.)

- Source: https://appshunter.io/ios/app/pre-algebra-fundamentals/id551027794 (this page in markdown: same URL + `.md`)
- Developer: [Gilbert Reilly](https://appshunter.io/developer/500490521)
- Category: Education, Games, Casual
- Price: Free with in-app purchases (on sale, was $12.99)
- Age rating: 4+
- Requires: iOS 15.0 · 296 MB
- Languages: English
- Released: 2012-10-23
- Data updated: 2026-07-06
- User reviews in markdown: https://appshunter.io/ios/app/pre-algebra-fundamentals/id551027794/reviews.md

## What is Pre?

Auto-renewable subscription
Pre-Algebra Fundamentals comes with a 7-day free trial. After this you will be charged $4.99 a month and you can cancel anytime.
Your subscription will be charged to your iTunes account at confirmation of purchase and will automatically renew unless auto-renew is turned off at least 24 hours before the end of the current period.
You can manage your subscription by visiting your iTunes Account Settings.
Privacy policy: https://www.mathgalaxy.com/FQ3_Menu/FQ3_PreAlgebra_Privacy.html
Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Math Galaxy Pre-Algebra Fundamentals is like having an interactive textbook, with explanations, practice, games, and videos that cover all topics found in middle school math:

decimals
negative numbers (integers)
absolute value
exponents
roots
scientific and metric notation and operations
order of operations
factors and prime numbers
1 & 2-step equations
systems of equations
slopes and linear equations
ratios & proportions
similar figures
direct & inverse variation
percents
geometry, including length, area, volume, weight, lines, angles & polygons
pythagoras & right triangles
basic trigonometry
graphs
frequency tables,
mean (average) & median
stem-and-leaf plots
box-and-whisker plots
probability
patterns and sequences

The concepts are presented in bite-size pieces and there is an unlimited number of practice problems, with numbers chosen randomly.

By solving problems students earn robots to use in a maze game called the Labyrinth.

## Pricing and in-app purchases

Base price: Free.

**Subscriptions**

| Subscription | Price | Period |
| --- | --- | --- |
| PreAlgebra - Math Galaxy | $4.99 | per month |



## Version history (last 5 releases)

### 5.0 — 2026-06-16

Updated for multiple screens.
Added subscription.

### 4.0 — 2025-09-10

Updated graphics in decimals, ratios, and proportions.
Updated scoring.

### 3.0 — 2022-04-20

Updated menus.
Added optional animations for correct answers.
Added more instructional videos.

### 2.1 — 2019-06-21

Fixed repetition of problems in Ratios & Proportions exercise.

### 2.0 — 2019-05-14

Updated, ratios & proportions, percents, percent word problems, factors, and linear equations.
Added background music.
Updated icons and screenshots.

## Apps similar to Pre

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| [Algebra without Fear](https://appshunter.io/ios/app/algebra-without-fear/id1587475000) | 5.0 (1) | $1.99 | Education |
| [Slopes and more](https://appshunter.io/ios/app/slopes-and-more/id1324684230) | 5.0 (2) | Free | Education |
| [Mathemagics Geometry in a Dash](https://appshunter.io/ios/app/mathemagics-geometry-in-a-dash/id916829299) | 4.4 (17) | $2.99 | Education |
| [Calculus-Pro](https://appshunter.io/ios/app/calculus-pro/id1638196645) | 3.5 (4) | Free | Education |
| [Abacus - Calc](https://appshunter.io/ios/app/abacus-calc/id6745492769) | — | Free | Education |

## More apps by Gilbert Reilly

- [Whole Number Riddles](https://appshunter.io/ios/app/whole-number-riddles/id500490518)
- [Fraction and Decimal Riddles](https://appshunter.io/ios/app/fraction-and-decimal-riddles/id504916326)
- [Math Galaxy Word Problems Fun](https://appshunter.io/ios/app/math-galaxy-word-problems-fun/id524402778)
- [Algebra Fundamentals](https://appshunter.io/ios/app/algebra-fundamentals/id552919000)
- [3rd Grade Math - Math Galaxy](https://appshunter.io/ios/app/3rd-grade-math-math-galaxy/id904312067)

All apps by Gilbert Reilly: https://appshunter.io/developer/500490521

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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 2026-07-06.*