Comparison

Piazza vs Devmaxx

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

Head to head
About

Piazza

This platform facilitates communication and learning for higher education. Students can ask and answer questions, while instructors can monitor student engagement. It provides real-time updates and a centralized space for class interactions.

Highlights
  • Ask and answer questions
  • Real-time updates
  • Centralized class communication
  • Student engagement monitoring
  • Mobile access for students and instructors
Read full description

Piazza is the leading social learning platform for higher education, used by hundreds of thousands of students and more than 15 thousand professors for centralized class communications and polling. If you're a student, the Piazza app lets you ask and answer questions in all your Piazza classes from your mobile device, and updates you in real time when your peers are engaged. If you're an instructor, the app gives you a simple way to check in on your students during those spare moments between meetings. Stay connected to your class with Piazza!

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

Piazza3 screens
Devmaxx4 screens

Verdict

The call

The clearest difference is rating: Devmaxx at 4.3 against Piazza's 2.1. Piazza's advantage is in-app purchases (none vs 2) and iOS requirement (15.6 vs 17.5). On price, review sentiment, ratings volume and update cadence 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. Piazza asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Devmaxx holds the better App Store score, 4.3 against 2.1. Both are backed by a comparable volume of ratings — 282 and 536 respectively. Written reviews point the same way: 14% of Piazza's written reviews are positive against 18% of Devmaxx's.

UpkeepUpdate frequency

Piazza ships an update every 11 days, Devmaxx every 2 weeks. The most recent releases landed on October 24, 2026 and October 28, 2026 respectively.

Scorecard4 real differences · 6 level
Piazza versus Devmaxx: the parameters behind the verdict, then further details
ParameterPiazzaDevmaxx
PriceFreeFree
Rating2.1 (282 ratings)4.3 (536 ratings) — better
Positive reviews14.2% of reviews17.5% of reviews — better
Number of ratings282536 — better
Update frequencyEvery 11 days — betterEvery 2 weeks
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterSubscription
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.6 — better17.5
Further details — not scored
Size3 MB38 MB
Age rating4+12+
DeveloperPiazza Technologies, Inc.Arjay McCandless LLC

Customer experience

Piazza

All ratings279 ratings
Positive20.8%
Neutral10.0%
Negative69.2%
Written reviews113 reviews
Positive14.2%
Neutral11.5%
Negative74.3%

Devmaxx

All ratings536 ratings
Positive83.2%
Neutral0.9%
Negative15.9%
Written reviews57 reviews
Positive17.5%
Neutral7.0%
Negative75.4%

Bugs and requests

Piazza

Reported bugs

4 issues
  • Inability to post or reply
  • Randomly logs out users
  • Fails to load posts and resources
  • Incompatible with newer iOS versions

Requested features

5 requests
  • Dark mode option
  • Ability to access course materials
  • Improved formatting and editing tools
  • Better organization of posts and discussions
  • Seamless integration with web version

Devmaxx

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

Piazza

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 Piazza free?
Piazza 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, Piazza or Devmaxx?
Devmaxx is rated higher. Piazza averages 2.1 out of 5 from 282 ratings, while Devmaxx averages 4.3 from 536 ratings.
Do Piazza or Devmaxx have ads?
Neither Piazza nor Devmaxx shows ads.
Which is updated more often, Piazza or Devmaxx?
Piazza ships an update every 11 days, and Devmaxx every 2 weeks. Most recently, Piazza was updated on October 24, 2026 and Devmaxx on October 28, 2026.

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