Purdue CS vs Devmaxx
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Purdue CS
This app connects Computer Science students at Purdue University with events and resources. Follow student organizations, get event notifications, and view lab availability. It also provides access to department resources and opportunity updates.
- Follow CS student organizations
- Receive event notifications
- View Computer Science opportunity updates
- Live lab availability view
- Access common department resources
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This is the app for students in Computer Science at Purdue University or for those wanting to get involved in events by students organizations in CS. It offers a simple interface with the ability to follow events, view the Computer Science opportunity update and get resources like a live view of the Lawson and Haas labs to check for availabilities. Upcoming Events: Add the CS organizations at Purdue you want to be involved with and follow their upcoming events. Choose to get event notifications 30 minutes before they begin to make sure you don't miss out on any events by student organizations. Opportunity Update: View the opportunity update all on one page. View the sections you are interested in and check back periodically for new updates. Resources: View a live image of labs in Lawson and Haas and access common resources in the Computer Science department. Note: Not an official Purdue app. Developed by Students, for Students, at Purdue University. We'd love to hear your thoughts! Send us feedback in-app for features and improvements.
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: Purdue CS at 100% against Devmaxx's 17%. Purdue CS also leads on rating (4.8 vs 4.3) and in-app purchases (none vs 2). Devmaxx's advantage is update cadence (every 2 weeks vs every 4 months) and ratings volume (520 vs 13). 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. Purdue CS asks for nothing beyond the download.
Purdue CS holds the better App Store score, 4.8 against 4.3. That said, the two scores are not equally well evidenced: Devmaxx has 520 ratings behind it against 13, so its average is the more settled of the two. Written reviews point the same way: 100% of Purdue CS's written reviews are positive against 17% of Devmaxx's.
Purdue CS ships an update every 4 months, Devmaxx every 2 weeks. The most recent releases landed on September 22, 2026 and October 14, 2026 respectively.
| Parameter | Purdue CS | Devmaxx |
|---|---|---|
| Price | Free | Free |
| Rating | 4.8 (13 ratings) — better | 4.3 (520 ratings) |
| Positive reviews | 100.0% of reviews — better | 17.0% of reviews |
| Number of ratings | 13 | 520 — better |
| Update frequency | Every 4 months | Every 2 weeks — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Subscription |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 13.0 — better | 17.5 |
| Further details — not scored | ||
| Size | 6 MB | 29 MB |
| Age rating | 4+ | 12+ |
| Developer | Pallav Agarwal | Arjay McCandless LLC |
Customer experience
Purdue CS
Devmaxx
In-app purchases
Purdue CS
No in-app purchases
Devmaxx
- Monthly Devmaxx Subscription7 Days trial$8.991 Month
- Annual Devmaxx Subscription7 Days trial$59.991 Year
