Comparison

Japan Prefectures Puzzle 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

Japan Prefectures Puzzle

Features
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Turn the map of Japan into the most fun flashcard you own. Prefecture Puzzle is a drag-and-drop map game featuring all 47 prefectures of Japan. Just by playing, you naturally memorize each prefecture's name, shape, and location. ■ Perfect for - Kids learning Japan's prefectures for the first time - Students preparing for geography and social studies tests - Adults who want to brush up on the map of Japan - Anyone who loves racing the clock and climbing rankings ■ How to play Drag each piece to its correct place on the map. Smooth zoom and snap assist make even the smallest prefectures satisfying to place. ■ 3 game modes - 47-Prefecture Time Attack: race for the fastest clear and climb the national rankings - Practice by Region: pick any of 8 regions, from Hokkaido to Okinawa - Room Match: battle a friend using a simple room code ■ Hero card collection Every clear earns you a spin for a collectible card of a historical hero tied to that prefecture. Collect all 47 legends to complete your album. Set your favorite card as your profile icon and watch the home-screen map turn gold, prefecture by prefecture. ■ Fair rankings No purchases ever affect rankings or times. Pure skill only. ■ Premium (one-time purchase) An optional one-time purchase removes ads and boosts card draws. The entire game is free to play. One play a day, and the map of Japan is yours.

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

Japan Prefectures Puzzle4 screens
Think Why4 screens

Verdict

The call

The clearest difference is ads: Think Why at none against Japan Prefectures Puzzle's shown. Japan Prefectures Puzzle's advantage is update cadence (weekly vs fortnightly). On price, in-app purchases, 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. Japan Prefectures Puzzle sells 1 one-off in-app purchase and Think Why sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Japan Prefectures Puzzle ships an update weekly, Think Why fortnightly. The most recent releases landed on November 10, 2026 and October 31, 2026 respectively.

Scorecard2 real differences · 7 level
Japan Prefectures Puzzle versus Think Why: the parameters behind the verdict, then further details
ParameterJapan Prefectures PuzzleThink Why
PriceFreeFree
Rating—5.0 (1 ratings) — better
Number of ratings—1 — better
Update frequencyWeekly — betterFortnightly
AdsYesNo — better
In-app purchasesYesYes
Monetization—Free with in-app purchases
DevicesiPhone, iPadiPhone, iPad
Requires iOS18.017.0 — better
Further details — not scored
Size165 MB62 MB
Age rating4+4+
DeveloperYU KORIKI放 徐

In-app purchases

1 purchases

Japan Prefectures Puzzle

One-time1
  • Premium$0.99
1 purchases

Think Why

One-time1
  • Full Learning Path$19.99

Questions

Is Japan Prefectures Puzzle free?
Japan Prefectures Puzzle is free to download, with in-app purchases available.
Is Think Why free?
Think Why is free to download, with in-app purchases available.
Do Japan Prefectures Puzzle or Think Why have ads?
Japan Prefectures Puzzle shows ads; Think Why does not.
Which is updated more often, Japan Prefectures Puzzle or Think Why?
Japan Prefectures Puzzle ships an update weekly, and Think Why fortnightly. Most recently, Japan Prefectures Puzzle was updated on November 10, 2026 and Think Why on October 31, 2026.

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