アフリカの国旗・首都・場所を覚えよう vs StudyJunkie
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
アフリカの国旗・首都・場所を覚えよう
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アフリカ54カ国の国旗・地図・首都を楽しく学べる4択クイズアプリです。 クイズに挑戦し、正解数を増やして達成度を上げましょう!
StudyJunkie
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StudyJunkie turns every app-opening moment into a study opportunity. Before you can open social media, games, or any app you choose, you must answer a quiz. Powered by iOS Screen Time (Family Controls), StudyJunkie puts a smart learning gate between you and distraction. HOW IT WORKS 1. Select apps you want to restrict 2. When you try to open them, a quiz appears 3. Answer correctly to unlock the app for your chosen duration QUIZ CATEGORIES - Math: auto-generated calculation problems (Jr. High / High School level) - English Vocabulary: 3,700+ words with audio (Jr. High, High School, TOEIC) - Pharmaceuticals: brand name and generic name matching - Custom: create your own questions for any subject FEATURES - 7 difficulty levels (Jr. High 1-3, High School 1-3, TOEIC) - Word memory tracking: words answered correctly 3+ times are marked learned - Combo system: keep your streak going! - ZONE mode: triggered at 5+ combos for a special effect - Detailed stats: total answers, accuracy, best streak, and more - Custom quiz creator: add any question you need - Bilingual UI: Japanese and English supported - No data collection: your study data stays on your device
Screenshots
Verdict
The clearest difference is ads: StudyJunkie at none against アフリカの国旗・首都・場所を覚えよう's shown. アフリカの国旗・首都・場所を覚えよう's advantage is iOS requirement (15.1 vs 18.0). On price, update cadence, 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.
アフリカの国旗・首都・場所を覚えよう ships an update every 10 days, StudyJunkie every 2 weeks. The most recent releases landed on October 12, 2026 and October 14, 2026 respectively.
| Parameter | アフリカの国旗・首都・場所を覚えよう | StudyJunkie |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 10 days — better | Every 2 weeks |
| Ads | Yes | No — better |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 15.1 — better | 18.0 |
| Further details — not scored | ||
| Size | 27 MB | 10 MB |
| Age rating | 17+ | 4+ |
| Developer | Riana Uchima | KAZUHIRO KAMAKURA |
In-app purchases
アフリカの国旗・首都・場所を覚えよう
No in-app purchases
StudyJunkie
No in-app purchases
Questions
Is アフリカの国旗・首都・場所を覚えよう free?
Is StudyJunkie free?
Do アフリカの国旗・首都・場所を覚えよう or StudyJunkie have ads?
Which is updated more often, アフリカの国旗・首都・場所を覚えよう or StudyJunkie?
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