一問から身につく SQL vs Learn SQL
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
一問から身につく SQL
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【一問から身につく SQL とは】 SQLを「一問ずつ」確実に身につけるための学習アプリです。ストーリーとテーブル・データを見ながら、選択式の問題に取り組めます。解説では「なぜそうなるか」「よくある誤解」「実務ワンポイント」まで丁寧に解説し、暗記だけで終わらない理解を目指します。 【主な機能】 ・選択式の問題形式(ストーリー/テーブル・データ/SQL の見やすい構成) ・正解・不正解の履歴に基づく進捗表示 ・「誤答のみ表示」で苦手だけを集中的に復習 ・解説でつまずきやすい点を補強 【収録問題について】 リリース時点では全11問を収録しています。今後も問題を追加し、アプリアップデートで順次お届けする予定です(追加のタイミングや本数は開発状況により変わります)。 【料金】 ・一部の問題は無料で学習できます ・無料範囲を超える問題は、アプリ内課金(買い切り)でまとめて解放できます ・購入の復元に対応しています 【データ・プライバシー】 学習の進捗や解答履歴は、お使いの端末内に保存されます(当アプリ専用のアカウント登録は不要です)。 【利用規約】 本アプリの利用規約は、次のページでご確認いただけます。 https://root75125.github.io/sqlProblemPrivacy/terms-of-service.html ※本アプリの学習内容は一般的なSQLの理解を助けるものであり、特定の試験や資格の合格を保証するものではありません。
Learn SQL
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Let Us SQL is a learn-anywhere app that takes you from zero to confident with SQL, the language behind every database. No prior coding experience needed — you'll learn by doing, one bite-sized lesson at a time, until reading and writing SQL feels like second nature. Best of all, everything is taught using PostgreSQL, one of the most widely used databases in the real world, so the skills you build here are skills you'll actually use. 85 LESSONS. 11 CHAPTERS. A CLEAR PATH FROM BEGINNER TO JOB-READY. We've laid out a complete, carefully sequenced curriculum: 11 chapters and 85 lessons in total. You'll start with your very first SELECT, then move on to filtering with WHERE, sorting with ORDER BY, working with text, date, and number functions, aggregating data with GROUP BY and HAVING, writing subqueries, combining tables with JOIN, handling transactions, and finally creating tables with primary and foreign keys. Each step builds naturally on the last — and a set of real-world practice exercises at the end ties everything together. LEARN BY DOING, NOT JUST READING Every lesson pairs plain-English explanations with real query examples and hands-on fill-in-the-blank exercises. The sample data is drawn from everyday scenarios — a zoo, restaurant reservations, an online store — so you always know why a query matters, not just how to type it. Answer a question and you'll see instantly whether you got it right, so nothing slips through the cracks. BUILD A HABIT THAT STICKS A progress bar shows how far you've come, and a daily streak counter keeps you coming back. Your progress is saved right on your device, so you can always pick up exactly where you left off. MADE FOR YOU IF YOU'RE… • Brand new to SQL and looking for a friendly place to start • Taking your first steps toward data analysis or engineering • Looking to learn in the small pockets of time throughout your day LITTLE THINGS YOU'LL LOVE • No sign-up required — just open it and start learning • Works offline, wherever you are • An AI helper on hand whenever a question comes up • Clean syntax highlighting and a simple, distraction-free design Start today and learn at your own pace. Let Us SQL makes mastering data feel easy.
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Verdict
The clearest difference is device support: Learn SQL at 3 against 一問から身につく SQL's 1. Learn SQL also leads on iOS requirement (15.0 vs 18.6). On price, ads and in-app purchases 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.
| Parameter | 一問から身につく SQL | Learn SQL |
|---|---|---|
| Price | Free | Free |
| Update frequency | — | Every 5 days |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone | iPhone, iPad, iPod — better |
| Requires iOS | 18.6 | 15.0 — better |
| Further details — not scored | ||
| Size | 1 MB | 30 MB |
| Age rating | 4+ | 4+ |
| Developer | RYUJI ADACHI | Osamu Nishiyama |
In-app purchases
一問から身につく SQL
No in-app purchases
Learn SQL
No in-app purchases





