Comparison

速さパス|中学受験算数 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

速さパス|中学受験算数

Features
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中学受験算数で差がつく「速さ」を、図を見ながらテンポよく練習できる問題集アプリです。 【4つの頻出分野】 ・旅人算:出会い、追いつき、円形コース ・通過算:列車、電柱、橋、トンネル ・流水算:上り、下り、静水時の速さ、流速 ・時計算:針の角度、重なり、直角 【学びやすい機能】 ・全128問に図・ヒント・詳しい解説 ・新しい40問をホームからすぐに練習 ・難易度を星で表示 ・指で書ける計算メモ ・毎日6問のチャレンジ ・間違えた問題を何度でも復習 ・正答率、連続学習日数、分野別達成度を記録 短い時間でも、毎日少しずつ。「速さ」が得点源になるまで繰り返そう。

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

速さパス|中学受験算数4 screens
Think Why4 screens

Verdict

The call

The clearest difference is in-app purchases: 速さパス|中学受験算数 at none against Think Why's 1. Think Why's advantage is ads (none vs shown). On price, update cadence, 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

Both are free to download. Think Why sells 1 one-off in-app purchase. 速さパス|中学受験算数 asks for nothing beyond the download.

UpkeepUpdate frequency

速さパス|中学受験算数 ships an update every 4 weeks, Think Why fortnightly. The most recent releases landed on October 8, 2026 and October 4, 2026 respectively.

Scorecard2 real differences · 7 level
速さパス|中学受験算数 versus Think Why: the parameters behind the verdict, then further details
Parameter速さパス|中学受験算数Think Why
PriceFreeFree
Rating—5.0 (1 ratings) — better
Number of ratings—1 — better
Update frequencyEvery 4 weeksFortnightly — better
AdsYesNo — better
In-app purchasesNo — betterYes
Monetization—Free with in-app purchases
DevicesiPhoneiPhone, iPad — better
Requires iOS17.017.0
Further details — not scored
Size5 MB62 MB
Age rating4+4+
Developermikito oba放 徐

In-app purchases

None

速さパス|中学受験算数

No in-app purchases

1 purchases

Think Why

One-time1
  • Full Learning Path$19.99

Questions

Is 速さパス|中学受験算数 free?
速さパス|中学受験算数 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 速さパス|中学受験算数 or Think Why have ads?
速さパス|中学受験算数 shows ads; Think Why does not.
Which is updated more often, 速さパス|中学受験算数 or Think Why?
速さパス|中学受験算数 ships an update every 4 weeks, and Think Why fortnightly. Most recently, 速さパス|中学受験算数 was updated on October 8, 2026 and Think Why on October 4, 2026.

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