Linux Quiz vs JavaNoJa
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Linux Quiz
Learn Linux quickly through gamified quizzes and an AI-powered teacher. Get personalized questions based on your progress and ask the AI for explanations. Master Linux concepts in just 5 minutes a day.
- 5-minute daily learning sessions
- AI-suggested optimal questions
- AI Teacher for explanations
- Beginner to advanced levels
- Gamified learning experience
- Progress-based question suggestions
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■ Learn Linux in just 5 minutes a day - like playing a game! ■ AI suggests optimal questions based on your learning progress! ■ Ask the AI Teacher when you don't understand something! Linux Quiz is an app that lets you learn Linux quickly on your smartphone. Even during short breaks or commuting, you can solve a few questions in just 5 minutes and gain programming knowledge. The AI suggests questions for you, so you can start learning immediately when you open the app. We offer questions for all levels, from beginners to advanced users. From basic knowledge questions to tricky ones that will make you think - challenge yourself with various questions! If there's something you don't understand, ask the AI Teacher! With Linux Quiz, you can chat with the AI Teacher completely free. By asking questions, you'll deepen your learning and master Linux. Start with just 5 minutes a day and gradually build your programming skills! You'll definitely discover knowledge you never knew before!
JavaNoJa
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`Javaのジャ！` is an iPhone study app designed for learners preparing for Java Silver SE 17 (1Z0-825-JPN). It supports repeated practice across Java basics, data types, operators, classes, inheritance, exceptions, and comprehensive review, with explanations for each question. Key features: - Guided training mode with explanation-based learning - Chapter tests to check readiness for the exam - Hard mode that restarts after a single mistake - Progress tracking for study time, accuracy, streaks, chapter progress, and achievements - Optional daily, weekly, or monthly study reminders via Calendar events and alerts - Offline-first learning without mandatory network usage Recommended for: - Learners preparing for Java Silver SE 17 - People who want to keep studying in short sessions - Users who want both practice questions and clear explanations - Learners who want reminders and progress tracking to stay consistent Included content: - 7 chapters - 160 total questions - Code snippet questions, multiple-answer questions, and comprehensive review content
Screenshots
Verdict
The clearest difference is in-app purchases: JavaNoJa at none against Linux Quiz's 3. JavaNoJa also leads on ads (none vs shown). Linux Quiz's advantage is update cadence (every 3 weeks vs every 6 months) and device support (3 vs 1). On price 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. Linux Quiz sells 3 in-app purchases, starting at $0.99 per 7 days. JavaNoJa asks for nothing beyond the download.
Linux Quiz ships an update every 3 weeks, JavaNoJa every 6 months. The most recent releases landed on October 30, 2026 and October 9, 2026 respectively.
| Parameter | Linux Quiz | JavaNoJa |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (3 ratings) — better | — |
| Positive reviews | 66.7% of reviews | — |
| Number of ratings | 3 — better | — |
| Update frequency | Every 3 weeks — better | Every 6 months |
| Ads | Yes | No — better |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 15.1 — better | 17.0 |
| Further details — not scored | ||
| Size | 80 MB | 3 MB |
| Age rating | 4+ | 4+ |
| Developer | Creatopia Inc. | 2PIECE.K.K |
In-app purchases
Linux Quiz
- Premium Weekly3 Days trial$0.997 Days
- Monthly Premium3 Days trial$2.991 Month
- Yearly Premium3 Days trial$24.991 Year
JavaNoJa
No in-app purchases
