Codelet vs Devmaxx
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Codelet
Prepare for technical interviews by identifying core coding patterns and analyzing your performance. Practice coding questions conveniently to improve your skills and pinpoint areas for growth.
- Identify core patterns
- Analyze approaches
- Track performance
- Identify improvement areas
- Practice coding questions
- Anytime, anywhere practice
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∙ Identify and analyze the core patterns and approaches ∙ View how well you’re doing and where you can improve ∙ Practice coding questions anywhere and anytime
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 in-app purchases: Codelet at none against Devmaxx's 2. Codelet also leads on review sentiment (53% vs 21%) and rating (4.7 vs 4.4). Devmaxx's advantage is update cadence (every 2 weeks vs every 2 months) and ratings volume (495 vs 127). 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. Codelet asks for nothing beyond the download.
Codelet holds the better App Store score, 4.7 against 4.4. Both are backed by a comparable volume of ratings — 127 and 495 respectively. Written reviews point the same way: 53% of Codelet's written reviews are positive against 21% of Devmaxx's.
Codelet ships an update every 2 months, Devmaxx every 2 weeks. The most recent releases landed on August 13, 2026 and September 22, 2026 respectively.
| Parameter | Codelet | Devmaxx |
|---|---|---|
| Price | Free | Free |
| Rating | 4.7 (127 ratings) — better | 4.4 (495 ratings) |
| Positive reviews | 53.3% of reviews — better | 20.5% of reviews |
| Number of ratings | 127 | 495 — better |
| Update frequency | Every 2 months | Every 2 weeks — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Subscription |
| Devices | iPhone, iPod | iPhone, iPad |
| Requires iOS | 13.4 — better | 17.5 |
| Further details — not scored | ||
| Size | 25 MB | 26 MB |
| Age rating | 4+ | 12+ |
| Developer | Codelet LLC | Arjay McCandless LLC |
Customer experience
Codelet
Devmaxx
In-app purchases
Codelet
No in-app purchases
Devmaxx
- Monthly Devmaxx Subscription7 Days trial$8.991 Month
- Annual Devmaxx Subscription7 Days trial$59.991 Year





