Pre vs NumAndShape
Price, ratings, monetisation and update history for both apps, side by side โ with what reviewers say about each.
Pre
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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.
NumAndShape
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free content - addition - subtraction - multiplication - division - average - summation - area of triangle - area of circle paid content - prime number - power - per hour - binary number - sin cos tan NumAndShape Unlimited - Available including current paid content and paid content that will be added later - Hide advertisements
Screenshots
Verdict
The clearest difference is ads: Pre at none against NumAndShape's shown. NumAndShape's advantage is update cadence (every 2 months vs every 31 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.
Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS
Both are free to download. Pre sells 1 in-app purchase, starting at $4.99 per month and NumAndShape sells 6 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.
Pre ships an update every 31 months, NumAndShape every 2 months. The most recent releases landed on September 15, 2026 and September 21, 2026 respectively.
| Parameter | Pre | NumAndShape |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 31 months | Every 2 months โ better |
| Ads | No โ better | Yes |
| In-app purchases | Yes | Yes |
| Devices | iPhone, iPad, iPod โ better | iPhone, iPad |
| Requires iOS | 15.0 โ better | 16.6 |
| Further details โ not scored | ||
| Size | 296 MB | 5 MB |
| Age rating | 4+ | 4+ |
| Developer | Math Galaxy | ken morobayashi |
In-app purchases
Pre
- PreAlgebra - Math Galaxy7 Days trial$4.991 Month
NumAndShape
- prime number$0.49
- power$0.49
- per hour$0.49
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- binary number$0.49
- sin cos tan$0.49
- NumAndShape Unlimited$1.99









