Comparison

算数勉強 vs Think Why

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

Head to head
About

算数勉強

Features
Read full description

毎日チャレンジして算数に慣れよう! 幼児~小学1年生のための算数学習アプリです。 ランダムに出てくる動物の数を数えるアプリです。 以下の動物たちが登場します。 ・にわとり ・アザラシ ・うさぎ ・くま ・パンダ ・キリン ・リス ・サイ ・イヌ ・ネコ ・最高得点の記録機能 ・クリアタイムの表示 の機能が搭載されています。 エラーなどありましたらレビューしていただけると修正いたします。

About

Think Why

This app teaches elementary students how to understand math word problems by breaking down the reasoning process into manageable steps. It focuses on conceptual understanding rather than just keyword matching. Users can access free content or unlock the full learning path with a one-time purchase.

Highlights
  • Step-by-step reasoning for word problems
  • Interactive models for visualization
  • Explanation of intermediate numbers
  • Answer checking against the story
  • Transferring reasoning to new contexts
  • Full learning path unlock
Features
Read full description

Some kids can calculate correctly and still get stuck on word problems. Think Why helps them slow down, make sense of the story, and see how the quantities fit together. Lessons use movable diagrams, short prompts, and guided practice. Children learn to: • identify what the question is asking • pick out useful information • connect quantities before choosing an operation • explain what an intermediate result means • check the answer in the original story • try the same idea in a new situation Think Why is designed for understanding, not speed or endless worksheets. Content is organized into six stages, from elementary foundations to more challenging reasoning. Try it free: • 2 complete courses in each stage • 1 Thinking Method • 1 Reasoning Challenge • practice for the included courses A one-time Full Learning Path purchase unlocks all 115 courses, 345 guided levels, 14 Thinking Methods, 12 Reasoning Challenges, full practice, stage check-ins, and weekly challenges. No subscription. No account, ads, tracking, or chat-based AI. Learning progress stays on this device. Purchases and restoration are handled by Apple.

Screenshots

算数勉強4 screens
Think Why4 screens

Verdict

The call

The clearest difference is in-app purchases: 算数勉強 at none against Think Why's 1. 算数勉強 also leads on iOS requirement (9.0 vs 17.0). On price, ads 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. Think Why sells 1 one-off in-app purchase. 算数勉強 asks for nothing beyond the download.

Scorecard2 real differences · 7 level
算数勉強 versus Think Why: the parameters behind the verdict, then further details
Parameter算数勉強Think Why
PriceFreeFree
Rating—5.0 (1 ratings) — better
Number of ratings—1 — better
Update frequency—Fortnightly
AdsNoNo
In-app purchasesNo — betterYes
Monetization—Free with in-app purchases
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS9.0 — better17.0
Further details — not scored
Size33 MB62 MB
Age rating4+4+
DeveloperJunpei Shimotsu放 徐

In-app purchases

None

算数勉強

No in-app purchases

1 purchases

Think Why

One-time1
  • Full Learning Path$19.99

Questions

Is 算数勉強 free?
算数勉強 is free to download, with no in-app purchases.
Is Think Why free?
Think Why is free to download, with in-app purchases available.
Do 算数勉強 or Think Why have ads?
Neither 算数勉強 nor Think Why shows ads.

Other comparisons