# cloudOTDR vs CKey

The clearest difference is update cadence: cloudOTDR at monthly against CKey's every 4 months. CKey's advantage is iOS requirement (13.1 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.

cloudOTDR ships an update monthly, CKey every 4 months. The most recent releases landed on September 16, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | cloudOTDR | CKey |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[1.0 (1 ratings)](https://appshunter.io/ios/app/ckey/id1595125340/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 4 months |
| Monetization | — | Free |
| Size | 28 MB | 39 MB |
| Requires iOS | 15.6 | **13.1** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Eighty Data B.V.](https://appshunter.io/developer/1500813421) | [Nauta - Solucoes de Seguranca Lda](https://appshunter.io/developer/1591042829) |

## What reviewers say

### cloudOTDR

[App page](https://appshunter.io/ios/app/cloudotdr/id1550732783)

**Features:** macOS Compatibility, 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 cloudOTDR free?

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

### Is CKey free?

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

### Do cloudOTDR or CKey have ads?

Neither cloudOTDR nor CKey shows ads.

### Which is updated more often, cloudOTDR or CKey?

cloudOTDR ships an update monthly, and CKey every 4 months. Most recently, cloudOTDR was updated on September 16, 2026 and CKey on September 17, 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.*