# KFS Mobile vs ServiceKey Nucleus

The clearest difference is update cadence: ServiceKey Nucleus at monthly against KFS Mobile's every 3 months. ServiceKey Nucleus also leads on iOS requirement (14.0 vs 17.0). 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.

KFS Mobile ships an update every 3 months, ServiceKey Nucleus monthly. The most recent releases landed on October 24, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | KFS Mobile | ServiceKey Nucleus |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (3 ratings)](https://appshunter.io/ios/app/kfs-mobile/id1066510072/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 33.3% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Monthly** |
| Monetization | Free | — |
| Size | 53 MB | 39 MB |
| Requires iOS | 17.0 | **14.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Kyocera Document Solutions Inc.](https://appshunter.io/developer/510179388) | [NTT DATA](https://appshunter.io/developer/1236266706) |

## What reviewers say

### KFS Mobile

[App page](https://appshunter.io/ios/app/kfs-mobile/id1066510072)

Manage a fleet of printing devices efficiently. This app is for authorized Partners using KYOCERA Fleet Services and is not a printing application itself.

**Highlights:** Fleet device management, Efficient operations, Authorized Partner access, KYOCERA Fleet Services integration

**Features:** Vision Pro support

**In-app purchases:** none


### ServiceKey Nucleus

[App page](https://appshunter.io/ios/app/servicekey-nucleus/id1519423338)

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

**In-app purchases:** none


## Frequently asked questions

### Is KFS Mobile free?

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

### Is ServiceKey Nucleus free?

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

### Do KFS Mobile or ServiceKey Nucleus have ads?

Neither KFS Mobile nor ServiceKey Nucleus shows ads.

### Which is updated more often, KFS Mobile or ServiceKey Nucleus?

KFS Mobile ships an update every 3 months, and ServiceKey Nucleus monthly. Most recently, KFS Mobile was updated on October 24, 2026 and ServiceKey Nucleus on October 20, 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.*