Comparison

Piazza vs USC Gateway for Mobile

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

USC Gateway for Mobile

Access essential campus services, including news, events, maps, and a student portal. Stay connected with shuttle schedules and the university directory.

Highlights
  • Campus news and events
  • Interactive campus maps
  • Shuttle schedules
  • University directory
  • Student portal access
Features
Read full description

USC Gateway for Mobile connects you to mobile-friendly services like campus news and events, maps, shuttle schedules, directory, and the student portal.

Screenshots

Piazza3 screens
USC Gateway for Mobile1 screens

Verdict

The call

The clearest difference is update cadence: Piazza at every 11 days against USC Gateway for Mobile's every 3 months. Piazza also leads on ratings volume (279 vs 20) and review sentiment (14% vs 0%). USC Gateway for Mobile's advantage is iOS requirement (10.3 vs 15.6). On price, rating, ads and in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 2.1 for Piazza against 2.0 for USC Gateway for Mobile. That said, the two scores are not equally well evidenced: Piazza has 279 ratings behind it against 20, so its average is the more settled of the two. Written reviews are what separate them: 14% of Piazza's written reviews are positive against 0% of USC Gateway for Mobile's.

UpkeepUpdate frequency

Piazza ships an update every 11 days, USC Gateway for Mobile every 3 months. The most recent releases landed on October 18, 2026 and October 7, 2026 respectively.

Scorecard4 real differences · 6 level
Piazza versus USC Gateway for Mobile: the parameters behind the verdict, then further details
ParameterPiazzaUSC Gateway for Mobile
PriceFreeFree
Rating2.1 (279 ratings) — better2.0 (20 ratings)
Positive reviews14.2% of reviews — better0.0% of reviews
Number of ratings279 — better20
Update frequencyEvery 11 days — betterEvery 3 months
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.610.3 — better
Further details — not scored
Size3 MB16 MB
Age rating4+4+
DeveloperPiazza Technologies, Inc.University of Southern California Apps

Customer experience

Piazza

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

USC Gateway for Mobile

All ratings20 ratings
Positive25.0%
Neutral5.0%
Negative70.0%
Written reviews4 reviews
Positive0.0%
Neutral25.0%
Negative75.0%

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

USC Gateway for Mobile

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

Piazza

No in-app purchases

None

USC Gateway for Mobile

No in-app purchases

Questions

Is Piazza free?
Piazza is free to download, with no in-app purchases.
Is USC Gateway for Mobile free?
USC Gateway for Mobile is free to download, with no in-app purchases.
Which has better reviews, Piazza or USC Gateway for Mobile?
Piazza is rated higher. Piazza averages 2.1 out of 5 from 279 ratings, while USC Gateway for Mobile averages 2.0 from 20 ratings.
Do Piazza or USC Gateway for Mobile have ads?
Neither Piazza nor USC Gateway for Mobile shows ads.
Which is updated more often, Piazza or USC Gateway for Mobile?
Piazza ships an update every 11 days, and USC Gateway for Mobile every 3 months. Most recently, Piazza was updated on October 18, 2026 and USC Gateway for Mobile on October 7, 2026.

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