そろばん学習ドリル Ext vs FlagOdyssey
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
そろばん学習ドリル Ext
This app offers four courses to help beginners learn abacus calculation. It includes exercises for placing numbers, simple addition, addition of ten numbers, and auditory addition. Progress is tracked, and difficulty increases with proficiency.
- Placing numbers on the abacus
- Two-digit addition practice
- Addition of ten numbers
- Auditory addition exercises
- Progress tracking
- Adaptive difficulty levels
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初めてそろばんを学習するためのドリルです。 コースとしては次の4コースになります。 1.置く これはそろばんに数字を置く練習をします。 2.計算 これは2つの数字の足し算を行います。 3.見取 これは10の数字の足し算を行います。 4.聞取 これは10の数字を音声で読み上げますので、それを聞いて足し算します。 各コースに学習の成果が記録され、熟練度により難易度が上がります。
FlagOdyssey
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“Flag Odyssey" is an educational app that allows you to learn the flags of 198 countries. Problems are divided by region, allowing you to focus on areas that you are weak in. Additionally, there are 30 questions available as part of the World Challenge, allowing you to learn about flags from all over the world. As a scoring function, your time, score, and rank are displayed, allowing you to check your progress and performance. These functions promote learning motivation and lead to more effective learning. “Flag Odyssey" is an app that allows you to learn about flags efficiently while enjoying the visual learning method of flag learning. It is recommended not only for those who learn in school, but also for those who want to deepen their knowledge of flags on their own. Please try it out. 『国旗にチャレンジ』は、198カ国の国旗を学べる教育アプリです。各地域ごとに問題を分けており、自分が苦手とする地域を重点的に学習することができます。また、ワールドチャレンジとして30問を抽出した問題も用意しており、世界の国旗について幅広く学ぶことができます。 採点機能として、タイム、スコア、ランクが表示され、自分の学習進度や成績を確認することができます。これらの機能が学習意欲を促し、より効果的な学習につながります。 『国旗にチャレンジ』は、視覚的な学習方法である国旗学習を楽しみながら効率的に学ぶことができるアプリです。学校の授業で学ぶだけでなく、自分自身で国旗について知識を深めたい方にもおすすめです。是非、お試し下さい。
Screenshots
Verdict
そろばん学習ドリル Ext and FlagOdyssey are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
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.
| Parameter | そろばん学習ドリル Ext | FlagOdyssey |
|---|---|---|
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| Update frequency | Every 5 months | — |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 12.0 | 11.0 — better |
| Further details — not scored | ||
| Size | 24 MB | 61 MB |
| Age rating | 4+ | 4+ |
| Developer | ryo itou | koichi kodama |
In-app purchases
そろばん学習ドリル Ext
No in-app purchases
FlagOdyssey
No in-app purchases









