Comparison

Pre vs NumAndShape

Price, ratings, monetisation and update history for both apps, side by side โ€” with what reviewers say about each.

Head to head
About

Pre

Features
Read full description

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.

About

NumAndShape

Features
Read full description

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

Pre4 screens
NumAndShape3 screens

Verdict

The call

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

CostPrice ยท In-app purchases ยท Ads ยท Monetization

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.

UpkeepUpdate frequency

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.

Scorecard2 real differences ยท 4 level
Pre versus NumAndShape: the parameters behind the verdict, then further details
ParameterPreNumAndShape
PriceFreeFree
Update frequencyEvery 31 monthsEvery 2 months โ€” better
AdsNo โ€” betterYes
In-app purchasesYesYes
DevicesiPhone, iPad, iPod โ€” betteriPhone, iPad
Requires iOS15.0 โ€” better16.6
Further details โ€” not scored
Size296 MB5 MB
Age rating4+4+
DeveloperMath Galaxyken morobayashi

In-app purchases

1 purchases

Pre

Subscriptions1
  • PreAlgebra - Math Galaxy7 Days trial$4.991 Month
6 purchases

NumAndShape

One-time6
  • prime number$0.49
  • power$0.49
  • per hour$0.49
Show 3 more
  • binary number$0.49
  • sin cos tan$0.49
  • NumAndShape Unlimited$1.99

Questions

Is Pre free?
Pre is free to download, with in-app purchases available.
Is NumAndShape free?
NumAndShape is free to download, with in-app purchases available.
Do Pre or NumAndShape have ads?
NumAndShape shows ads; Pre does not.
Which is updated more often, Pre or NumAndShape?
Pre ships an update every 31 months, and NumAndShape every 2 months. Most recently, Pre was updated on September 15, 2026 and NumAndShape on September 21, 2026.

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