The Daily Dev
The Daily Dev Summary
The Daily Dev is a with in-app purchases iOS app in Education by Arjay McCandless LLC. Released in Apr 2026 (2 months ago). It has 256 ratings with a 4.55★ (excellent) average. Based on AppGoblin estimates, it reaches roughly 3.1K monthly active users and generates around $<10K monthly revenue (100% IAP / 0% ads). Store last updated Jun 28, 2026
Recent activity: 24 new ratings this week View trends →
SDK intelligence: AppGoblin detected 1 development tools(e.g. PostHog), 1 ad networks,and 1 business tools integrated into The Daily Dev. View full SDK list →
The Daily Dev SDKs Summary
The Daily Dev was last scanned for SDKs on 2026-07-06. Below is the overview of third-party companies detected in the app. The full list of SDKs, permissions and unknowns is available here.
AppGoblin saw The Daily Dev uses 1 Development Tools
PostHogAppGoblin saw The Daily Dev uses 1 Ad Networks
FacebookAppGoblin saw The Daily Dev uses 1 Business Tools
RevenueCat4.55★
Ratings: 256
Screenshots
App Description
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. The Daily Dev 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/