Comparison

QY STEM vs 快乐搭

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

Head to head
About

QY STEM

This offline programming application is designed for competitive programming. It offers a dedicated environment for users to practice and prepare for coding competitions.

Highlights
  • Offline programming environment
  • Competition preparation
  • Dedicated coding practice
  • Supports multiple devices
Features
Read full description

QY-STEM is a dedicated offline programming APP for competition

About

快乐搭

Features
Read full description

快乐搭,用手创造快乐; 精品课程:观看应用场景,学习拼搭步骤,拓展思维、自定义拼搭,愉快的学习日常知识; 趣味课程:3D搭建图纸; 控制:蓝牙连接积木上的控制器来控制; 编程:通过图形块来控制;

Screenshots

QY STEM4 screens
快乐搭4 screens

Verdict

The call

The clearest difference is iOS requirement: 快乐搭 at 12.0 against QY STEM's 15.0. On price, update cadence, ads and in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

QY STEM ships an update every 2 months, 快乐搭 every 6 weeks. The most recent releases landed on November 3, 2026 and October 27, 2026 respectively.

Scorecard1 real difference · 9 level
QY STEM versus 快乐搭: the parameters behind the verdict, then further details
ParameterQY STEM快乐搭
PriceFreeFree
Rating1.0 (1 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings1 — better—
Update frequencyEvery 2 monthsEvery 6 weeks — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.012.0 — better
Further details — not scored
Size115 MB74 MB
Age rating4+4+
Developer广东群宇互动科技有限公司福建佰育科技

In-app purchases

None

QY STEM

No in-app purchases

None

快乐搭

No in-app purchases

Questions

Is QY STEM free?
QY STEM is free to download, with no in-app purchases.
Is 快乐搭 free?
快乐搭 is free to download, with no in-app purchases.
Do QY STEM or 快乐搭 have ads?
Neither QY STEM nor 快乐搭 shows ads.
Which is updated more often, QY STEM or 快乐搭?
QY STEM ships an update every 2 months, and 快乐搭 every 6 weeks. Most recently, QY STEM was updated on November 3, 2026 and 快乐搭 on October 27, 2026.

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