Comparison

Gravity Math vs Kindergarten Math

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

Head to head
About

Gravity Math

Features
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With this premium learning app you can practice math while playing a fun and simple mini-game. Gravity Math is powered by the most natural handwriting input and has a large selection of math facts from 1st to 6th grade with additional customization options. You can practice the following math skills: Addition: Addition up to 10 Addition up to 18 Add a number to a multiple of ten Add doubles Add three numbers up to 10 each Relate addition and subtraction Addition up to 20 Add a two-digit and a one-digit number Add two multiples of ten Add multiples of 10 or 100 Add two two-digit numbers Addition up to 100 Add two numbers up to three digits Add three numbers up to two digits each Add three numbers up to three digits each Add two numbers with four digits Complete the addition sentence up to three digits Balance addition equations up to two digits Subtraction: Subtraction facts - numbers up to 10 Subtraction facts - numbers up to 18 Subtract a multiple of ten Relate addition and subtraction Subtraction facts - numbers up to 20 Subtract a one-digit number from a two-digit number Subtract two two-digit numbers Subtract multiples of 10 Subtract multiples of 100 Subtract multiples of 10 or 100 Balance subtraction equations Subtraction facts - numbers up to 100 Subtract two three-digit numbers Complete the subtraction sentence up to three digits Subtract numbers with four or five digits Balance subtraction equations up to three digits Multiplication: Multiplication tables for 2, 3, 4, 5, 10" Multiplication tables for 6, 7, 8, 9 Multiply by a multiple of ten Multiplication facts up to 10×10 Multiplication facts up to 12×12 Multiply one-digit numbers by two-digit numbers Multiply one-digit numbers by three-digit numbers Multiply 1-digit numbers by 4-digit numbers Multiply 2-digit numbers by 2-digit numbers Multiply numbers ending in zeroes Multiply three numbers up to 10 each Division: Division facts for 2, 3, 4, 5, 10 Division facts for 6, 7, 8, 9 Division facts up to 10 Division facts up to 12 Divide two-digit numbers by one-digit numbers Divide three-digit numbers by one-digit numbers Divide three-digit numbers by two-digit numbers Divide four-digit numbers by one-digit numbers Divide four-digit numbers by two-digit numbers Divide numbers ending in zeroes by numbers up to 12 Decimals: Add decimal numbers Subtract decimal numbers Add three decimal numbers Convert decimals to fractions and mixed numbers Convert fractions and mixed numbers to decimals denominators of 10 and 100 Round decimals to the nearest whole number Round decimals to the nearest tenth Round decimals to the nearest hundredth Multiply a decimal by a power of ten Multiply a decimal by a one-digit whole number Multiply two decimal numbers Divide decimals by powers of ten Division with decimal quotients Divide decimals Convert fractions and mixed numbers to decimals Fractions: Add fractions with like denominators Subtract fractions with like denominators Add fractions with unlike denominators Subtract fractions with unlike denominators Add fractions with denominators of 10 and 100 Multiply fractions by one-digit whole numbers Multiply fractions by whole numbers Multiply two fractions Multiply a mixed number by a fraction Divide fractions by whole numbers Divide whole numbers by fractions Divide two fractions Write fractions in lowest terms Add fractions and mixed numbers with like denominators Add fractions and mixed numbers with unlike denominators Subtract fractions and mixed numbers with like denominators Subtract fractions and mixed numbers with unlike denominators Multiply fractions and mixed numbers Multiply mixed numbers and whole numbers Divide fractions and mixed numbers Divide mixed numbers by whole numbers Integers: Add integers Subtract integers Multiply integers Divide integers Add three integers Subtract three integers Multiply three integers

About

Kindergarten Math

This app offers a fun and engaging way for kindergarteners to learn essential math skills. It features interactive mini-games and challenges designed to cover a full school year's curriculum, with progress tracking for parents.

Highlights
  • Covers full kindergarten math curriculum
  • Interactive mini-games and challenges
  • Rote counting to 40
  • Number writing and recognition
  • Object counting and comparison
  • Parent Dashboard for progress tracking
  • In-game currency for gear customization
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The fun in learning is here! Our Kindergarten Math Series is one of the best kids math games your child can ever play. Introducing Saba’s Island! The first app in iO School’s Kindergarten Math Series! Aimed to provide an enjoyable learning experience, the six kindergarten math apps are designed to match your child's lessons for the entire school year. It’s a complete kindergarten Math Curriculum for your 5 year old. Whether it’s to practice or hone your child’s math skills, the Kindergarten Math Series is a perfect program to supplement your child’s learning at school and at home. The schedule below shows the time frame for playing the Kindergarten Math Series: Saba’s Island (Saba the monkey) - Month 1 to 2 Mari’s Kitchen (Mari the bear) - Month 2 to 4 Pat’s Voyage (Pat the parrot) - Month 4 to 5 Joe’s Jungle (Joe the squirrel) - Month 6 to 7 Pearl’s Pizza (Pearl the cat) - Month 8 to 9 Clifton’s Cruise (Clifton the dog) - Month 9 to 10 Playing each app ahead of schedule is entirely up to the parents. They can also go back a month or two to review the skills that they have previously learned at school. Parents who have preschool age children (4 years old) can introduce their child to the Kindergarten Math curriculum by playing the Kindergarten Math Series. Skills Covered by Saba’s Island: Rote counting to 40 Writing numbers 0 to 10 Recognizing numbers 0 to 10 Ordering numbers from smallest to largest 0 to 5 Ordering numbers from largest to smallest 5 to 0 Counting objects in lines or array 0 to 10 Comparing objects and numbers 0 to 10 Counting objects on a 10-frame Counting numbers 0 to 10 Counting objects with one more 0 to 5 Counting objects with one less 0 to 5 Compare numbers greater than, less than and equal to 1 to 10 Graphing numbers 0 to 10 Whether it's counting coconuts, watermelons or writing numbers, Saba needs to complete the task from each NPC (non-playable character) to be able to move to the next level. Each level starts with skills practices in every mini game and lets players earn ions that they can use to buy different kinds of gear from the shop. At the end of each level, they will complete challenge activities that get recorded on the Parent Dashboard. Track your child’s progress using the Parent Dashboard Parents can create a free account at https://app.ioschool.com or on the app itself. They will be able to see what skills their child worked on and how they did on the assessments. Each session is recorded by the date. Parents can determine if their child is progressing or will need additional support and practice. Privacy Policy https://ioschool.com/privacy-policy/ Terms of Use (EULA) https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Contact Us We would love to hear from you https://ioschool.com/get-in-touch/ support@ioschool.com https://www.facebook.com/ioschoolinc https://twitter.com/ioschoolinc

Screenshots

Gravity Math4 screens
Kindergarten Math4 screens

Verdict

The call

The clearest difference is price: Kindergarten Math at Free against Gravity Math's $2.99. Kindergarten Math also leads on update cadence (monthly vs every 7 months). Gravity Math's advantage is in-app purchases (none vs 2) and ads (none vs shown). On device support and iOS requirement there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Kindergarten Math is free to download; Gravity Math costs $2.99 up front. Kindergarten Math sells 2 in-app purchases, starting at $2.99 per month. Gravity Math asks for nothing beyond the download.

UpkeepUpdate frequency

Gravity Math ships an update every 7 months, Kindergarten Math monthly. The most recent releases landed on October 29, 2026 and October 8, 2026 respectively.

Scorecard4 real differences · 6 level
Gravity Math versus Kindergarten Math: the parameters behind the verdict, then further details
ParameterGravity MathKindergarten Math
Price$2.99Free — better
Rating—5.0 (3 ratings) — better
Positive reviews—100.0% of reviews
Number of ratings—3 — better
Update frequencyEvery 7 monthsMonthly — better
AdsNo — betterYes
In-app purchasesNo — betterYes
Monetization—Free with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS12.011.0 — better
Further details — not scored
Size17 MB362 MB
Age rating4+4+
DeveloperSergey MaluginiO School, Inc.

In-app purchases

None

Gravity Math

No in-app purchases

2 purchases

Kindergarten Math

Subscriptions2
  • Full Access - Monthly3 Days trial$2.991 Month
  • Full Access - Annual3 Days trial$24.991 Year

Questions

Is Gravity Math free?
Gravity Math costs $2.99, with no in-app purchases.
Is Kindergarten Math free?
Kindergarten Math is free to download, with in-app purchases available.
Do Gravity Math or Kindergarten Math have ads?
Kindergarten Math shows ads; Gravity Math does not.
Which is updated more often, Gravity Math or Kindergarten Math?
Gravity Math ships an update every 7 months, and Kindergarten Math monthly. Most recently, Gravity Math was updated on October 29, 2026 and Kindergarten Math on October 8, 2026.

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