Comparison

Codelet vs Devmaxx

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

Head to head
About

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.

Highlights
  • Identify core patterns
  • Analyze approaches
  • Track performance
  • Identify improvement areas
  • Practice coding questions
  • Anytime, anywhere practice
Read full description

∙ 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

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/

Screenshots

Codelet4 screens
Devmaxx4 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

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

ReceptionRating · Positive reviews · Number of ratings

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.

UpkeepUpdate frequency

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.

Scorecard7 real differences · 3 level
Codelet versus Devmaxx: the parameters behind the verdict, then further details
ParameterCodeletDevmaxx
PriceFreeFree
Rating4.7 (127 ratings) — better4.4 (495 ratings)
Positive reviews53.3% of reviews — better20.5% of reviews
Number of ratings127495 — better
Update frequencyEvery 2 monthsEvery 2 weeks — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterSubscription
DevicesiPhone, iPodiPhone, iPad
Requires iOS13.4 — better17.5
Further details — not scored
Size25 MB26 MB
Age rating4+12+
DeveloperCodelet LLCArjay McCandless LLC

Customer experience

Codelet

All ratings126 ratings
Positive93.7%
Neutral3.2%
Negative3.2%
Written reviews15 reviews
Positive53.3%
Neutral20.0%
Negative26.7%

Devmaxx

All ratings495 ratings
Positive85.9%
Neutral1.0%
Negative13.1%
Written reviews39 reviews
Positive20.5%
Neutral10.3%
Negative69.2%

In-app purchases

None

Codelet

No in-app purchases

2 purchases

Devmaxx

Subscriptions2
  • Monthly Devmaxx Subscription7 Days trial$8.991 Month
  • Annual Devmaxx Subscription7 Days trial$59.991 Year

Questions

Is Codelet free?
Codelet is free to download, with no in-app purchases.
Is Devmaxx free?
Devmaxx is free to download, with in-app purchases available.
Which has better reviews, Codelet or Devmaxx?
Codelet is rated higher. Codelet averages 4.7 out of 5 from 127 ratings, while Devmaxx averages 4.4 from 495 ratings.
Do Codelet or Devmaxx have ads?
Neither Codelet nor Devmaxx shows ads.
Which is updated more often, Codelet or Devmaxx?
Codelet ships an update every 2 months, and Devmaxx every 2 weeks. Most recently, Codelet was updated on August 13, 2026 and Devmaxx on September 22, 2026.

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