WTM EXCHANGE vs PolyBuys
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
WTM EXCHANGE
Facilitates local item trading through direct communication and user profiles. Create listings, message traders instantly, and manage your trades securely. Focuses on building trust within a local community for smarter exchanges.
- Create item listings with photos
- Instant messaging with traders
- Browse and manage listings
- View user profiles and reviews
- Send photos and videos in chat
- Secure account and data control
Read full descriptionHide full description
WTM Exchange is a simple way to trade items with people near you. Browse listings, message traders instantly, and make real trades without the pressure of buying or selling. WTM Exchange focuses on direct communication, trust, and local connections. Features: • Create listings with photos and details • Message traders instantly • Browse active and traded listings • Edit, delete, or mark listings as traded • View user profiles and reviews • Send photos and videos in chat • Secure account system with full data control WTM Exchange is built for people who want to trade smarter — not scroll endlessly or deal with spam. Your data is yours. You can delete your account at any time directly from the app. WTM Exchange is free to use. trading,marketplace,local,swap,trade,barter,classifieds,items,chat,community
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
Read full descriptionHide 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.
Screenshots
Verdict
WTM EXCHANGE and PolyBuys are too close to call on the numbers: across 9 compared parameters — price, rating, ratings volume and update cadence among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
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 WTM EXCHANGE against 5.0 for PolyBuys. Both are backed by a comparable volume of ratings — 1 and 2 respectively.
Both ship on a similar rhythm, roughly daily. The most recent releases landed on October 11, 2026 and October 2, 2026 respectively.
| Parameter | WTM EXCHANGE | PolyBuys |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) | 5.0 (2 ratings) |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 1 | 2 — better |
| Update frequency | Daily | Daily |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 15.1 | 15.1 |
| Further details — not scored | ||
| Size | 33 MB | 37 MB |
| Age rating | 17+ | 17+ |
| Developer | JALYN DEVIN,MICHAEL JEFFRIES | Taylor Labs |
Customer experience
WTM EXCHANGE
PolyBuys
In-app purchases
WTM EXCHANGE
No in-app purchases
PolyBuys
No in-app purchases









