データ構造ビューワ vs DeVS
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
データ構造ビューワ
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書籍『アプリで学ぶ データ構造とアルゴリズム』で解説されているデータ構造やアルゴリズムの動作を視覚的に理解することを目的としたアプリケーションです。 本アプリケーションで大体の動作を理解し、更に書籍の解説をよみつつ練習問題を解いてください。これによりデータ構造の原理が学べます。 更に詳しくアルゴリズムを学びたい人は、解析の部分を読んでみてください。 解析部分は、数学的な内容も含まれます。 最後に計算量の解析があります。 ここを見ると、そのデータ構造が、どの程度の時間やメモリを必要としているのかが分かります。 本書を読み、アルゴリズムとデータ構造に親しみ、プログラミングの次の段階に進んでください。 https://bookway.jp/modules/zox/index.php?main_page=product_info&products_id=1148&cPath=12
DeVS
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A new way to explore any topic from multiple perspectives — through AI agent discussions. ■ What is DeVS? Choose any topic, and AI agents will debate it from opposing sides — "Pro" and "Con." Each agent brings unique expertise, challenging the other's logic with evidence and counter-arguments. ■ Who is it for? ・Want to think deeply about news and social issues ・Need help organizing your own opinions ・Want to practice debate and critical thinking ・Curious to watch AI agents argue with each other ■ Key Features ・Just enter a topic and AI discussions begin ・8 unique expert agents (Economics, Ethics, Sociology, Science & Engineering, History, Psychology, Entrepreneurship, Investment & Finance) ・Real-time Pro vs Con debate with structured counter-arguments ・Save and share discussion results as images ・Auto-detects your device language (English / Japanese) ■ Sample Topics ・Is college still worth it? ・Remote work vs office — which is better? ・Should AI be introduced in compulsory education? ・Does social media divide society? ・Should we adopt a 4-day work week? You can also enter any topic of your choice. ■ Note All opinions are AI-generated. AI responses may not always be accurate. --- Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://daisukeoka.github.io/devs-legal/legal/privacy-policy
Screenshots
Verdict
The clearest difference is in-app purchases: データ構造ビューワ at none against DeVS's 4. データ構造ビューワ also leads on ads (none vs shown) and iOS requirement (11.0 vs 15.1). DeVS's advantage is update cadence (every 8 days vs every 41 months). On price 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. DeVS sells 4 in-app purchases, starting at $4.99 per month. データ構造ビューワ asks for nothing beyond the download.
データ構造ビューワ ships an update every 41 months, DeVS every 8 days. The most recent releases landed on October 29, 2026 and October 25, 2026 respectively.
| Parameter | データ構造ビューワ | DeVS |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 41 months | Every 8 days — better |
| Ads | No — better | Yes |
| In-app purchases | No — better | Yes |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 11.0 — better | 15.1 |
| Further details — not scored | ||
| Size | 40 MB | 35 MB |
| Age rating | 4+ | 12+ |
| Developer | Asial Corporation | Daisuke Oka |
In-app purchases
データ構造ビューワ
No in-app purchases
DeVS
- DeVS Basic Plan7 Days trial$4.991 Month
- Devate Ticket$1.99
- Devate Ticket x5$7.99
- Devate Ticket x10$12.99
Questions
Is データ構造ビューワ free?
Is DeVS free?
Do データ構造ビューワ or DeVS have ads?
Which is updated more often, データ構造ビューワ or DeVS?
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