Devmaxx vs Hello Interview
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Devmaxx
This app provides a daily system design question to help software engineers master essential skills for interviews and career growth. It offers clear explanations, linked resources, and a private community for learning and practice.
- Daily system design questions
- Clear explanations and answer breakdowns
- Linked learning resources
- Access to previous questions
- Private developer community
- Progress tracking
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System design is becoming one of the most important skills for software engineers. Many companies now require a dedicated system design interview, and your career growth often depends on your ability to design large-scale systems. Devmaxx gives you one focused system design question every day across databases, infrastructure, APIs, theory, and product to help you learn these skills and stay sharp. Each question takes about two minutes, and includes a resource to learn more about the subject. What you’ll get: • A new system design question daily • Clear explanations for every answer • Breakdown of the correct answer • Access to previous questions • Linked resources to go deeper • Access to a private community of developers learning and building the same things as you • Progress tracking to monitor growth If you’re preparing for interviews, this builds daily momentum. If you’re already working as an engineer, this keeps your fundamentals sharp. Open the app. Answer one question. Land the offer. * All features described above require a subscription Terms of Service: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Hello Interview
Prepare for software engineering interviews with structured learning paths, practical guides, and interactive quizzes. Gain confidence in system design, data structures, algorithms, and behavioral questions. Access real interview experiences and community insights.
- Structured learning paths
- Practical interview guides
- Interactive quizzes
- Real interview questions
- Community discussions
- Progress tracking
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Prepare for your software engineering interviews with focused learning paths, practical guides, interactive quizzes, and insights from real interview experiences. Hello Interview helps you build the knowledge and confidence you need for technical interviews across system design, data structures and algorithms, low-level design, behavioral interviews, and more. With the app, you can: • Follow structured learning paths and track your progress • Read clear, practical interview guides • Explore real interview questions shared by candidates • Test your knowledge with interactive quizzes • Learn from community discussions and candidate success stories • Search across articles, guides, and interview questions • Continue learning wherever you are Sign in to sync your progress and access the content available to your Hello Interview account.
Screenshots
Verdict
The clearest difference is rating: Hello Interview at 5.0 against Devmaxx's 4.3. Hello Interview also leads on in-app purchases (none vs 2) and update cadence (daily vs every 2 weeks). Devmaxx's advantage is ratings volume (520 vs 3). On price, ads, device support and iOS requirement 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. Devmaxx sells 2 in-app purchases, starting at $8.99 per month. Hello Interview asks for nothing beyond the download.
Hello Interview holds the better App Store score, 5.0 against 4.3. That said, the two scores are not equally well evidenced: Devmaxx has 520 ratings behind it against 3, so its average is the more settled of the two.
Devmaxx ships an update every 2 weeks, Hello Interview daily. The most recent releases landed on October 5, 2026 and October 1, 2026 respectively.
| Parameter | Devmaxx | Hello Interview |
|---|---|---|
| Price | Free | Free |
| Rating | 4.3 (520 ratings) | 5.0 (3 ratings) — better |
| Positive reviews | 18.4% of reviews | — |
| Number of ratings | 520 — better | 3 |
| Update frequency | Every 2 weeks | Daily — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Subscription | Free with in-app purchases — better |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 17.5 | 16.4 — better |
| Further details — not scored | ||
| Size | 29 MB | 53 MB |
| Age rating | 12+ | 9+ |
| Developer | Arjay McCandless LLC | Optick Labs Inc. dba Hello Interview |
Customer experience
Devmaxx
Hello Interview
In-app purchases
Devmaxx
- Monthly Devmaxx Subscription7 Days trial$8.991 Month
- Annual Devmaxx Subscription7 Days trial$59.991 Year
Hello Interview
No in-app purchases








