# UIS FMC vs DiveChat

The clearest difference is update cadence: UIS FMC at every 10 days against DiveChat's every 7 months. UIS FMC also leads on iOS requirement (11.0 vs 15.1). 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.

UIS FMC ships an update every 10 days, DiveChat every 7 months. The most recent releases landed on November 3, 2026 and October 23, 2026 respectively.

## The numbers

| Metric | UIS FMC | DiveChat |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 10 days** | Every 7 months |
| Monetization | Free | — |
| Size | 2 MB | 37 MB |
| Requires iOS | **11.0** | 15.1 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [COMAGIC LLC](https://appshunter.io/developer/1489333551) | [YUIT](https://appshunter.io/developer/1824049423) |

## What reviewers say

### UIS FMC

[App page](https://appshunter.io/ios/app/uis-fmc/id1489333552)

This app simplifies making and receiving calls through FMC lines by automatically handling the necessary prefix digit. It ensures you can dial numbers directly from your contacts or manually without extra steps, and incoming calls display correctly.

**Highlights:** Automatic prefix digit handling for FMC calls, Direct dialing from contacts, Manual number dialing support, Correct display of incoming caller numbers, Eliminates extra dialing steps

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

**In-app purchases:** none


### DiveChat

[App page](https://appshunter.io/ios/app/divechat/id6748041564)

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

**In-app purchases:** none


## Frequently asked questions

### Is UIS FMC free?

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

### Is DiveChat free?

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

### Do UIS FMC or DiveChat have ads?

Neither UIS FMC nor DiveChat shows ads.

### Which is updated more often, UIS FMC or DiveChat?

UIS FMC ships an update every 10 days, and DiveChat every 7 months. Most recently, UIS FMC was updated on November 3, 2026 and DiveChat on October 23, 2026.

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