HackPSU Mobile vs Devmaxx
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
HackPSU Mobile
Access event schedules, workshop details, and receive timely notifications for your favorite activities. This app also provides a scannable QR code for easy event check-ins.
- Event and workshop information
- Personalized event starring
- Push notifications for starred events
- QR code for event check-in
- Quick access to home screen info
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Welcome to HackPSU! Sign in to find quick info on the home screen and upcoming events and workshops! Star events/workshops to get notifications for them! The app contains your QR code so you can easily check in at registration and workshops on the day of the event.
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/
Screenshots
Verdict
The clearest difference is review sentiment: HackPSU Mobile at 100% against Devmaxx's 19%. HackPSU Mobile also leads on rating (5.0 vs 4.3) and in-app purchases (none vs 2). Devmaxx's advantage is update cadence (fortnightly vs every 2 months) and ratings volume (518 vs 6). On price, ads 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. Devmaxx sells 2 in-app purchases, starting at $8.99 per month. HackPSU Mobile asks for nothing beyond the download.
HackPSU Mobile holds the better App Store score, 5.0 against 4.3. That said, the two scores are not equally well evidenced: Devmaxx has 518 ratings behind it against 6, so its average is the more settled of the two. Written reviews point the same way: 100% of HackPSU Mobile's written reviews are positive against 19% of Devmaxx's.
HackPSU Mobile ships an update every 2 months, Devmaxx fortnightly. The most recent releases landed on September 20, 2026 and September 30, 2026 respectively.
| Parameter | HackPSU Mobile | Devmaxx |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (6 ratings) — better | 4.3 (518 ratings) |
| Positive reviews | 100.0% of reviews — better | 19.1% of reviews |
| Number of ratings | 6 | 518 — better |
| Update frequency | Every 2 months | Fortnightly — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Subscription |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 12.0 — better | 17.5 |
| Further details — not scored | ||
| Size | 41 MB | 26 MB |
| Age rating | 4+ | 12+ |
| Developer | Rahul Ramkumar | Arjay McCandless LLC |
Customer experience
HackPSU Mobile
Devmaxx
In-app purchases
HackPSU Mobile
No in-app purchases
Devmaxx
- Monthly Devmaxx Subscription7 Days trial$8.991 Month
- Annual Devmaxx Subscription7 Days trial$59.991 Year
