Comparison

IPST Bio vs Math 24

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

Head to head
About

IPST Bio

Features
Read full description

จัดทำโดยสถาบันส่งเสริมการสอนวิทยาศาสตร์และเทคโนโลยี (สสวท.)

About

Math 24

This app offers a classic arithmetic puzzle where players combine four numbers using basic operations to reach 24. It features progressive difficulty levels, a timed challenge mode, and integration with Game Center for leaderboards and achievements.

Highlights
  • Combine four numbers to make 24
  • Addition, subtraction, multiplication, division
  • Stage mode with 300 levels
  • Speed mode for timed challenges
  • Game Center leaderboards and achievements
  • Help button for difficult questions
Features
Read full description

Math 24 - Mental Math Cards is a classical math puzzle game. The game is designed to help people of all skill levels improve their arithmetic abilities and mental math skills. Elementary school students can also play it. But you may not solve some questions even you are a graduate student! ■ How To Play The rules are simple. Combine 4 numbers into 24 by addition(+), subtraction(-), multiplication(×) and division(÷). For example, try to use these 4 numbers: 2048 to make 24. The answer is (2+0)×(4+8)=24. The question is easy, but some questions are much more difficult. You can try this: 6 6 5 9 to make 24. ■ Stage Mode 15 stages and 300 well designed levels in total. The stages are from "Baby" to "King of Math", from easy to difficult. Touch the help button at the top-right corner if you can't solve a question. There are 3 chances to use help button in each stage. ■ Speed Mode 10 random questions! Make 24 as fast as you can! Touch the garbage can button at the top-right corner to change a question. There are 3 chances to change a question in each game. ■ Game Center "Math 24" is fully integrated with Game Center - providing both Leaderboards and Achievements. The Game Center features allow you to test your skills against the rest of the world and to share your scores and accomplishments with friends. ■ Features - Well-designed levels - Best user experience and graphics - Exciting speed mode ■ The App is suitable for you - If you like sudoku, brain training, math game or puzzle game. - If you want to play with friends or family. - If you want to improve you math skills, especially the mental math skills. Have fun!

Screenshots

IPST Bio4 screens
Math 244 screens

Verdict

The call

The clearest difference is in-app purchases: IPST Bio at none against Math 24's 4. IPST Bio also leads on ads (none vs shown) and iOS requirement (6.0 vs 10.0). On price, update cadence 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. Math 24 sells 4 one-off in-app purchases. IPST Bio asks for nothing beyond the download.

UpkeepUpdate frequency

IPST Bio ships an update monthly, Math 24 every 6 weeks. The most recent releases landed on October 4, 2026 and October 26, 2026 respectively.

Scorecard3 real differences · 7 level
IPST Bio versus Math 24: the parameters behind the verdict, then further details
ParameterIPST BioMath 24
PriceFreeFree
Rating—4.7 (2.2K ratings) — better
Positive reviews—75.5% of reviews
Number of ratings—2.2K — better
Update frequencyMonthly — betterEvery 6 weeks
AdsNo — betterYes
In-app purchasesNo — betterYes
Monetization—Free with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS6.0 — better10.0
Further details — not scored
Size279 MB33 MB
Age rating4+4+
DeveloperThe Institute for the Promotion of Teaching Science and Technology (IPST)Peikun Duan

Bugs and requests

IPST Bio

Not enough reviews yet to summarise bugs or requests.

Math 24

Reported bugs

3 issues
  • Incorrect solutions provided
  • Ads not working properly
  • Syncing issues across devices

Requested features

3 requests
  • Add negative numbers and more features
  • Option to favorite/save questions
  • Difficulty levels (easy, medium, hard)

In-app purchases

None

IPST Bio

No in-app purchases

4 purchases

Math 24

One-time4
  • 12 Tips$1.39
  • Remove Ads$2.39
  • 20 Tips$2.39
Show 1 more
  • 20 Tips + Remove Ads$3.99

Questions

Is IPST Bio free?
IPST Bio is free to download, with no in-app purchases.
Is Math 24 free?
Math 24 is free to download, with in-app purchases available.
Do IPST Bio or Math 24 have ads?
Math 24 shows ads; IPST Bio does not.
Which is updated more often, IPST Bio or Math 24?
IPST Bio ships an update monthly, and Math 24 every 6 weeks. Most recently, IPST Bio was updated on October 4, 2026 and Math 24 on October 26, 2026.

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