World Countries Map Quiz vs ClassLens
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
World Countries Map Quiz
Test your knowledge of world geography with an interactive map quiz. Learn country names and locations by region, with a drag-and-drop interface. Track your progress with records of your previous attempts.
- Drag-and-drop map quiz
- Learn countries by region
- Memorize country names
- Track previous records
- World geography education
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Fun map quiz app to learn world geography. The game will help you to memorize all countries step by step because the map is separated into small regions. Features: ・Drag-and-drop style world geography map quiz. ・Display your previous five records separated by country. You can learn names of world countries with this map quiz quickly and easily.
ClassLens
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新しい時間割アプリ登場！ もう時間割の管理だけでは物足りない！私たちの新しいアプリは、授業の時間割を入力するだけでなく、授業ごとに写真を自動で整理してくれます。授業時間を設定するだけで、授業中に撮った写真が自動で各授業フォルダに分類されるので、探す手間がなく、勉強の効率アップ間違いなし！ デフォルトのカメラで撮った授業の写真はどの授業の写真かいつの写真かわからなくなりませんか？ このアプリを使えばどの授業の写真か一目瞭然。いつ撮った写真かもわかりやすく表示されます。
Screenshots
Verdict
The clearest difference is update cadence: ClassLens at every 3 weeks against World Countries Map Quiz's every 83 months. On price, ads, in-app purchases 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
World Countries Map Quiz ships an update every 83 months, ClassLens every 3 weeks. The most recent releases landed on October 29, 2026 and October 5, 2026 respectively.
| Parameter | World Countries Map Quiz | ClassLens |
|---|---|---|
| Price | Free | Free |
| Rating | 4.4 (97 ratings) — better | — |
| Positive reviews | 84.0% of reviews | — |
| Number of ratings | 97 — better | — |
| Update frequency | Every 83 months | Every 3 weeks — better |
| Ads | Yes | Yes |
| In-app purchases | No | No |
| Monetization | Ad-supported | — |
| Devices | iPhone, iPad — better | iPhone |
| Requires iOS | 16.0 — better | 16.4 |
| Further details — not scored | ||
| Size | 26 MB | 3 MB |
| Age rating | 4+ | 4+ |
| Developer | Kazuto Takada | Atsuhiro Hasebe |
In-app purchases
World Countries Map Quiz
No in-app purchases
ClassLens
No in-app purchases
Questions
Is World Countries Map Quiz free?
Is ClassLens free?
Do World Countries Map Quiz or ClassLens have ads?
Which is updated more often, World Countries Map Quiz or ClassLens?
Other comparisons
