# Oneserve Mobile vs CKey

The clearest difference is update cadence: Oneserve Mobile at every 3 weeks against CKey's every 4 months. CKey's advantage is iOS requirement (13.1 vs 15.5). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Oneserve Mobile ships an update every 3 weeks, CKey every 4 months. The most recent releases landed on October 9, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | Oneserve Mobile | CKey |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[1.0 (1 ratings)](https://appshunter.io/ios/app/ckey/id1595125340/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 4 months |
| Monetization | Free | Free |
| Size | 60 MB | 39 MB |
| Requires iOS | 15.5 | **13.1** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Oneserve](https://appshunter.io/developer/1353483231) | [Nauta - Solucoes de Seguranca Lda](https://appshunter.io/developer/1591042829) |

## What reviewers say

### Oneserve Mobile

[App page](https://appshunter.io/ios/app/oneserve-mobile/id1353483232)

This app connects mobile field staff with office teams, streamlining service delivery from quoting to invoicing. It optimizes workflows, enhances customer service, and reduces operational costs through improved collaboration and data visibility.

**Highlights:** Mobile workforce connection, End-to-end service management, Increased employee productivity, Improved customer service, Reduced service delivery costs, Enhanced collaboration, Data visibility and control

**Features:** Vision Pro support

**In-app purchases:** none


### CKey

[App page](https://appshunter.io/ios/app/ckey/id1595125340)

This system provides proprietary access control for premises. It allows users to manage entry and exit permissions for various locations. The application is designed for security and administrative purposes.

**Highlights:** Access control management, Premises security, Entry/exit permissions, Proprietary system

**In-app purchases:** none


## Frequently asked questions

### Is Oneserve Mobile free?

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

### Is CKey free?

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

### Do Oneserve Mobile or CKey have ads?

Neither Oneserve Mobile nor CKey shows ads.

### Which is updated more often, Oneserve Mobile or CKey?

Oneserve Mobile ships an update every 3 weeks, and CKey every 4 months. Most recently, Oneserve Mobile was updated on October 9, 2026 and CKey on October 5, 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.*