# Function Staff vs dtmcX

The clearest difference is update cadence: dtmcX at fortnightly against Function Staff's every 33 months. Function Staff's advantage is iOS requirement (11.0 vs 15.6). 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.

Function Staff ships an update every 33 months, dtmcX fortnightly. The most recent releases landed on September 10, 2026 and September 7, 2026 respectively.

## The numbers

| Metric | Function Staff | dtmcX |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 33 months | **Fortnightly** |
| Size | 49 MB | 82 MB |
| Requires iOS | **11.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Function Staff Ltd](https://appshunter.io/developer/1564616260) | [Chang Tse](https://appshunter.io/developer/1835568036) |

## What reviewers say

### Function Staff

[App page](https://appshunter.io/ios/app/function-staff/id1438861232)

**In-app purchases:** none


### dtmcX

[App page](https://appshunter.io/ios/app/dtmcx/id6751519778)

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

**In-app purchases:** none


## Frequently asked questions

### Is Function Staff free?

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

### Is dtmcX free?

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

### Do Function Staff or dtmcX have ads?

Neither Function Staff nor dtmcX shows ads.

### Which is updated more often, Function Staff or dtmcX?

Function Staff ships an update every 33 months, and dtmcX fortnightly. Most recently, Function Staff was updated on September 10, 2026 and dtmcX on September 7, 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.*