Comparison

Devmaxx vs Codey

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

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.

Highlights
  • Daily system design questions
  • Clear explanations and answer breakdowns
  • Linked learning resources
  • Access to previous questions
  • Private developer community
  • Progress tracking
Features
Read full 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. 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/

About

Codey

Features
Read full description

Codey turns coding interview prep into a game-like daily practice loop, helping you learn patterns, stay focused, and build consistency without drowning in endless problem lists. Practice the ideas behind common interview questions through short, interactive lessons*. Move through focused paths*, unlock progress, review the right concepts, and keep your streak alive as you build confidence for technical interviews. Why Codey? - Game-like coding practice Follow a visual roadmap, complete lessons, and make progress one step at a time. - Learn patterns, not just answers Build intuition for core data structures and algorithms like arrays, hashing, two pointers, binary search, recursion, graphs, and dynamic programming. - Active lessons* Instead of passively reading solutions, Codey turns practice into quick decisions, prompts, and pattern recognition. - Focused interview paths* Know what to study next with guided paths built around the skills that matter most for coding interviews. - Company-style prep packs* Practice with targeted packs designed around common new-grad and role-specific interview patterns. - Daily streaks and review Stay consistent with streaks, progress tracking, and review prompts that keep your preparation alive. Codey is built for students, new grads, self-taught developers, and anyone preparing for software engineering interviews who wants a more focused and motivating way to practice. Start building your coding interview habit today. * Full access to Codey's lesson library, focused interview paths, and company-style prep packs requires a Super Codey subscription purchased in the app. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://www.christopherbarfield.com/privacy

Screenshots

Devmaxx4 screens
Codey4 screens

Verdict

The call

The clearest difference is in-app purchases: Codey at none against Devmaxx's 2. Devmaxx's advantage is update cadence (fortnightly vs every 4 months). 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Devmaxx sells 2 in-app purchases, starting at $8.99 per month. Codey asks for nothing beyond the download.

UpkeepUpdate frequency

Devmaxx ships an update fortnightly, Codey every 4 months. The most recent releases landed on September 30, 2026 and September 21, 2026 respectively.

Scorecard2 real differences · 8 level
Devmaxx versus Codey: the parameters behind the verdict, then further details
ParameterDevmaxxCodey
PriceFreeFree
Rating4.3 (518 ratings) — better—
Positive reviews19.1% of reviews—
Number of ratings518 — better—
Update frequencyFortnightly — betterEvery 4 months
AdsNoNo
In-app purchasesYesNo — better
MonetizationSubscription—
DevicesiPhone, iPadiPhone, iPad
Requires iOS17.516.4 — better
Further details — not scored
Size26 MB127 MB
Age rating12+4+
DeveloperArjay McCandless LLCGifty AI

In-app purchases

2 purchases

Devmaxx

Subscriptions2
  • Monthly Devmaxx Subscription7 Days trial$8.991 Month
  • Annual Devmaxx Subscription7 Days trial$59.991 Year
None

Codey

No in-app purchases

Questions

Is Devmaxx free?
Devmaxx is free to download, with in-app purchases available.
Is Codey free?
Codey is free to download, with no in-app purchases.
Do Devmaxx or Codey have ads?
Neither Devmaxx nor Codey shows ads.
Which is updated more often, Devmaxx or Codey?
Devmaxx ships an update fortnightly, and Codey every 4 months. Most recently, Devmaxx was updated on September 30, 2026 and Codey on September 21, 2026.

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