Imperial Plexus vs Upchat
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
Imperial Plexus
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Imperial Plexus is a platform designed to connect Imperial College Londonβs global alumni community with the College and one another. Plexus ('plΙksΙs/) Noun: an intricate network or web-like formation. Launched in 2018, Imperial Plexus is a new way for Imperial alumni to keep in touch with each other and the College. Itβs free and open to all Imperial alumni to join. Register now to reconnect with old friends or make new connections Send private messages to your contacts, join alumni groups based on your interests or join an alumni association in your area. Get regular updates, tailored to your interests and location Find Imperial and alumni events in your area β from opportunities to meet top academics to networking events for recent graduates Search for alumni by name, location or year of graduation β reconnect with old friends or make new contacts Planning a trip? Share your location and post details of upcoming trips to connect with alumni in the area for local recommendations and advice. Post and browse job opportunities, internships and requests for venture/business partners. Imperial Plexus also provides information about exclusive alumni benefits and services, such as use of the Alumni Visitor Centre at South Kensington, access to online library resources and an alumni email account. The Imperial Plexus app can be used for entry at Imperial Student Union venues, such as the SU Bar and 568 in the Beit Quad.
Upchat
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UPchat provides students with the opportunity to engage in anonymous conversations. Through registration with their university email, messages shared on the platform are visible exclusively to fellow students within the same university. This unique feature fosters a fun and secure environment, allowing students to express themselves freely. Users can post messages, leave comments, give likes, and engage in private one-to-one conversations through direct messaging. UPchat serves as a platform for students to connect with others, expanding their social circle to include like-minded peers they might not have encountered otherwise.
Screenshots
Verdict
The clearest difference is update cadence: Upchat at every 3 weeks against Imperial Plexus's every 50 months. Imperial Plexus's advantage is iOS requirement (11.0 vs 15.0). On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Imperial Plexus ships an update every 50 months, Upchat every 3 weeks. The most recent releases landed on September 28, 2026 and September 30, 2026 respectively.
| Parameter | Imperial Plexus | Upchat |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 50 months | Every 3 weeks β better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 11.0 β better | 15.0 |
| Further details β not scored | ||
| Size | 12 MB | 14 MB |
| Age rating | 4+ | 17+ |
| Developer | Imperial College London | Cool Runway Limited |
In-app purchases
Imperial Plexus
No in-app purchases
Upchat
No in-app purchases









