# Function Staff vs ShiftFilla

The clearest difference is update cadence: ShiftFilla at every 3 weeks against Function Staff's every 33 months. Function Staff's advantage is 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.

Function Staff ships an update every 33 months, ShiftFilla every 3 weeks. The most recent releases landed on September 28, 2026 and May 31, 2026 respectively.

## The numbers

| Metric | Function Staff | ShiftFilla |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 33 months | **Every 3 weeks** |
| Size | 49 MB | 75 MB |
| Requires iOS | **11.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Function Staff Ltd](https://appshunter.io/developer/1564616260) | [Matthew Ardern](https://appshunter.io/developer/1880473904) |

## What reviewers say

### Function Staff

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

**In-app purchases:** none


### ShiftFilla

[App page](https://appshunter.io/ios/app/shiftfilla/id6759741957)

**Features:** macOS Compatibility, Apple Wallet, 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 ShiftFilla free?

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

### Do Function Staff or ShiftFilla have ads?

Neither Function Staff nor ShiftFilla shows ads.

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

Function Staff ships an update every 33 months, and ShiftFilla every 3 weeks. Most recently, Function Staff was updated on September 28, 2026 and ShiftFilla on May 31, 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.*