PolyBuys vs BuyDrop
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- Verified Cal Poly student community
- Fast listing creation
- Direct in-app messaging
- Save favorite listings
- Report and block suspicious content
- Campus-exclusive trading
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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.
BuyDrop
Discover and purchase items from local businesses for same-day delivery. This platform connects you with nearby sellers, making it convenient to find everyday essentials, food, and unique products.
- Shop local items
- Same-day delivery
- Connect with nearby sellers
- Find everyday items
- Order food and unique finds
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Shop local items and get them delivered fast. BuyDrop connects you with nearby sellers so you can find what you need and have it delivered the same day. Whether you're looking for everyday items, food, or unique finds, BuyDrop makes it easy to shop locally and receive your order quickly.
Screenshots
Verdict
The clearest difference is update cadence: PolyBuys at daily against BuyDrop's weekly. PolyBuys also leads on ratings volume (7 vs 1). 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
On the App Store both sit at effectively the same score — 5.0 for PolyBuys against 5.0 for BuyDrop. That said, the two scores are not equally well evidenced: PolyBuys has 7 ratings behind it against 1, so its average is the more settled of the two.
PolyBuys ships an update daily, BuyDrop weekly. The most recent releases landed on October 24, 2026 and October 28, 2026 respectively.
| Parameter | PolyBuys | BuyDrop |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (7 ratings) | 5.0 (1 ratings) |
| Number of ratings | 7 — better | 1 |
| Update frequency | Daily — better | Weekly |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPod | iPhone, iPad |
| Requires iOS | 15.1 — better | 16.2 |
| Further details — not scored | ||
| Size | 37 MB | 38 MB |
| Age rating | 17+ | 17+ |
| Developer | Taylor Labs | Antonio Macias |
Customer experience
PolyBuys
BuyDrop
In-app purchases
PolyBuys
No in-app purchases
BuyDrop
No in-app purchases









