# Open Cesamee vs SiteSii

The clearest difference is update cadence: Open Cesamee at every 5 months against SiteSii's every 20 months. 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.

Open Cesamee ships an update every 5 months, SiteSii every 20 months. The most recent releases landed on October 24, 2026 and August 18, 2026 respectively.

## The numbers

| Metric | Open Cesamee | SiteSii |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.5 (29 ratings)](https://appshunter.io/ios/app/open-cesamee/id1529084372/reviews)** | — |
| Number of ratings | **29** | — |
| Positive reviews | 25.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 months** | Every 20 months |
| Monetization | Free | — |
| Size | 9 MB | 51 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Sicunet Inc](https://appshunter.io/developer/857732136) | [William Darier](https://appshunter.io/developer/1710943890) |

## What reviewers say

### Open Cesamee

[App page](https://appshunter.io/ios/app/open-cesamee/id1529084372)

Transform your mobile device into a secure access credential for Sicunet Neptune systems. Register your phone to effortlessly gain entry to facilities, replacing traditional access cards.

**Highlights:** Mobile access credential, Sicunet Neptune system integration, Facility access, Phone as access card

**Features:** macOS Compatibility

**In-app purchases:** none


### SiteSii

[App page](https://appshunter.io/ios/app/sitesii/id6468927601)

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

**In-app purchases:** none


## Frequently asked questions

### Is Open Cesamee free?

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

### Is SiteSii free?

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

### Do Open Cesamee or SiteSii have ads?

Neither Open Cesamee nor SiteSii shows ads.

### Which is updated more often, Open Cesamee or SiteSii?

Open Cesamee ships an update every 5 months, and SiteSii every 20 months. Most recently, Open Cesamee was updated on October 24, 2026 and SiteSii on August 18, 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.*