# Imperial Plexus vs Upchat

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.

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.

## The numbers

| Metric | Imperial Plexus | Upchat |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 50 months | **Every 3 weeks** |
| Size | 12 MB | 14 MB |
| Requires iOS | **11.0** | 15.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Imperial College London](https://appshunter.io/developer/547377669) | [Cool Runway Limited](https://appshunter.io/developer/1198648702) |

## What reviewers say

### Imperial Plexus

[App page](https://appshunter.io/ios/app/imperial-plexus/id1339365012)

**Features:** macOS Compatibility

**In-app purchases:** none


### Upchat

[App page](https://appshunter.io/ios/app/upchat/id6444089964)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Imperial Plexus free?

Imperial Plexus is free to download, with no in-app purchases.

### Is Upchat free?

Upchat is free to download, with no in-app purchases.

### Do Imperial Plexus or Upchat have ads?

Neither Imperial Plexus nor Upchat shows ads.

### Which is updated more often, Imperial Plexus or Upchat?

Imperial Plexus ships an update every 50 months, and Upchat every 3 weeks. Most recently, Imperial Plexus was updated on September 28, 2026 and Upchat on September 30, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*