Comparison

PolyBuys vs ClosetU

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

Head to head
About

PolyBuys

A secure student marketplace exclusively for Cal Poly, San Luis Obispo. Verified users can easily buy and sell items like textbooks, furniture, and electronics directly within the app. Enjoy a safe, campus-focused trading experience with direct messaging and saved listings.

Highlights
  • Verified Cal Poly student community
  • Fast listing creation
  • Direct in-app messaging
  • Save favorite listings
  • Report and block suspicious content
  • Campus-exclusive trading
Features
Read full description

PolyBuys is the student marketplace built for Cal Poly, San Luis Obispo. Every user is verified with a Cal Poly email, so you always know you're dealing with a real student on campus. Buy and sell textbooks, event tickets, dorm furniture, electronics, clothing, and anything else students need. Browse listings, message sellers directly, and close deals — all within a single app designed around how students actually trade. What makes PolyBuys different: • Verified students only - sign in with your Cal Poly email to join a trusted, campus-only community • Built for speed - post a listing with photos, set your price, and publish in under a minute • Direct messaging - chat with buyers and sellers without sharing your phone number or social media • Save listings - bookmark items you're interested in and come back to them later • Report and block - flag suspicious content and keep the marketplace safe for everyone No ads. No processing fees. No strangers from the internet. Just Mustangs buying and selling to each other. Built by Cal Poly students, for Cal Poly students.

About

ClosetU

This app allows students to buy and sell fashion items directly on campus. Easily list your unwanted clothes with photos and price, then browse items posted by other students. Connect with sellers via in-app messaging to arrange meetups and complete transactions securely.

Highlights
  • List clothing items easily
  • Browse items by campus area
  • In-app messaging
  • Student-only verification
  • Face-to-face meetups
  • User ratings for transactions
Features
Read full description

Currently available at Cal Poly SLO only. HOW IT WORKS 1. List what you're not wearing. Photos, size, price, it takes about a minute. 2. Browse what other students have posted on the feed and map, which is filtered by campus area. 3. Message the seller, agree on a time and place, and meet up to hand it over. STUDENTS ONLY Everyone on ClosetU signs up with a .edu email address. It means the people you are browsing are students or alumni from your school rather than strangers from across the county. MEETING UP Every handoff happens face to face with another university student. Browse listings on the map to see what’s available on campus. FEATURES - Campus areas, so you can find pickups near where you already are - In-app messaging, so you don't hand out your phone number - Report and block on every listing and every profile - Saved listings, so you can come back to something later - Ratings on completed swaps, so you can see who follows through CONTACT US If something is broken or you have an idea, email support@closetu.app and it goes straight to a person. This app is made by a cal poly student for cal poly! If you’re from another school and want to use ClosetU, message us at support@closetu.app to join the waitlist.

Screenshots

PolyBuys4 screens
ClosetU4 screens

Verdict

The call

The clearest difference is update cadence: PolyBuys at daily against ClosetU's every 4 days. On price, rating, ratings volume and ads 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 — 5.0 for PolyBuys against 5.0 for ClosetU. Both are backed by a comparable volume of ratings — 2 and 2 respectively.

UpkeepUpdate frequency

PolyBuys ships an update daily, ClosetU every 4 days. The most recent releases landed on September 15, 2026 and September 9, 2026 respectively.

Scorecard1 real difference · 9 level
PolyBuys versus ClosetU: the parameters behind the verdict, then further details
ParameterPolyBuysClosetU
PriceFreeFree
Rating5.0 (2 ratings)5.0 (2 ratings)
Positive reviews—100.0% of reviews
Number of ratings22
Update frequencyDaily — betterEvery 4 days
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPodiPhone, iPod
Requires iOS15.115.1
Further details — not scored
Size37 MB54 MB
Age rating17+4+
DeveloperTaylor Labs, LLCHailey Morgan

Customer experience

PolyBuys

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

ClosetU

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

PolyBuys

No in-app purchases

None

ClosetU

No in-app purchases

Questions

Is PolyBuys free?
PolyBuys is free to download, with no in-app purchases.
Is ClosetU free?
ClosetU is free to download, with no in-app purchases.
Which has better reviews, PolyBuys or ClosetU?
PolyBuys and ClosetU are both rated 5.0 out of 5 on the App Store, from 2 and 2 ratings respectively.
Do PolyBuys or ClosetU have ads?
Neither PolyBuys nor ClosetU shows ads.
Which is updated more often, PolyBuys or ClosetU?
PolyBuys ships an update daily, and ClosetU every 4 days. Most recently, PolyBuys was updated on September 15, 2026 and ClosetU on September 9, 2026.

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