Comparison

1st Grade Math vs Chaipang Subtraction

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

Head to head
About

1st Grade Math

Features
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1st Grade Math covers all common core standards for first grade math with fun, entertaining animations to keep your students engaged. Score reports are provided. Preview on YouTube Math Galaxy 1st Grade Math - Add & Subtract - iOS App Preview: https://www.youtube.com/watch?v=FMjwlNe44rY Math Galaxy 1st Grade Math - Shapes, Colors, Time, Money Measurement, Data - iOS App Preview: https://www.youtube.com/watch?v=i25KAUNwB9E Auto-renewable subscription The subscription provides full access to all content. 1st Grade Math 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 (at the duration selected) unless auto-renew is turned off at least 24 hours before the end of the current period. You can manage your subscription and/or turn off auto-renewal by visiting your iTunes Account Settings after purchase. The app does not collect any personal information. Privacy policy: https://www.mathgalaxy.com/FQ3_Menu/FQ3_1st_Grade_Math_Privacy.html Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ "The French mathematician Jacques S. Hadamard found, in a study of 100 leading mathematicians [including Einstein], that the majority of them were primarily visual in their approach. Some even went further back to sensations of a kinesthetic kind." Scientific American, Sept., 1984, p. 56. In first grade math the emphasis is on: (1) Developing understanding of addition , subtraction, and strategies for addition and subtraction within 20. (2) Developing understanding of place value. (3) Developing understanding of linear measurement. (4) Reasoning about attributes of geometric shapes. Topics include: Identifying Numbers Place Names Place Value Counting to 120 Count by 1s - 10s Comparing Numbers Tens Frames Number Bonds (Part-Part-Whole) Making 10 with Frames Addition Tables Adding Blocks Addition and subtraction within 10 Addition and subtraction within 20 Matching Sums Froggie Addition on the Number Line Addition on the Number Line Addition Sentences Subtraction in 10-frames Missing Addend Number Families Subtraction on the Number Line Add & Subtract to 100 Time Money Length Fractions Shapes & Colors Classifying Shapes Patterns Pictographs Bar Graphs Word Problems Flashcards with timing option Add & Subtract Balloon Pop Snakes & Ladders Add and Subtract game

About

Chaipang Subtraction

Features
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1. Features and composition ▶ Increase the speed and accuracy of calculations “Chaipang Subtraction” is a game-based calculation learning app designed to improve children’s ‘subtraction’ skills. ▶ Increase the immersion level of children. “Chaipang Subtraction” is set in kindergarten and is played in the form of card games with friends so that children can feel immersed. ▶ Motivation to improve calculation skills All 50 characters you play with have different calculation skills. Your ranking changes according to the result of the game with each character. 2. How to enjoy Chaipang Subtraction with Chaipang friends! ① Let’s play subtraction games with card games! ② If you answer the correct answer first, you can get a star-shaped block! ③ The more blocks you have, the higher your ranking will be. ④ If you have the highest score, you can wear a crown! 3. Contact us If you have any questions, please contact us at the address below. Tel. +82-2-508-0710 Email. support@wecref.com Developer : wecref.dev@gmail.com

Screenshots

1st Grade Math4 screens
Chaipang Subtraction4 screens

Verdict

The call

The clearest difference is update cadence: 1st Grade Math at every 3 weeks against Chaipang Subtraction's every 3 months. Chaipang Subtraction's advantage is iOS requirement (13.0 vs 15.0). On price, ads, in-app purchases and device support 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

Both are free to download. 1st Grade Math sells 1 in-app purchase, starting at $4.99 per month and Chaipang Subtraction sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

1st Grade Math ships an update every 3 weeks, Chaipang Subtraction every 3 months. The most recent releases landed on September 15, 2026 and September 19, 2026 respectively.

Scorecard2 real differences · 4 level
1st Grade Math versus Chaipang Subtraction: the parameters behind the verdict, then further details
Parameter1st Grade MathChaipang Subtraction
PriceFreeFree
Update frequencyEvery 3 weeks — betterEvery 3 months
AdsNoNo
In-app purchasesYesYes
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.013.0 — better
Further details — not scored
Size187 MB136 MB
Age rating4+4+
DeveloperMath GalaxyWecref Co., Ltd.

In-app purchases

1 purchases

1st Grade Math

Subscriptions1
  • 1st Grade Math - Math Galaxy7 Days trial$4.991 Month
1 purchases

Chaipang Subtraction

One-time1
  • 차이팡 뺄셈 광고제거$2.99

Questions

Is 1st Grade Math free?
1st Grade Math is free to download, with in-app purchases available.
Is Chaipang Subtraction free?
Chaipang Subtraction is free to download, with in-app purchases available.
Do 1st Grade Math or Chaipang Subtraction have ads?
Neither 1st Grade Math nor Chaipang Subtraction shows ads.
Which is updated more often, 1st Grade Math or Chaipang Subtraction?
1st Grade Math ships an update every 3 weeks, and Chaipang Subtraction every 3 months. Most recently, 1st Grade Math was updated on September 15, 2026 and Chaipang Subtraction on September 19, 2026.

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