# DSS OnePass vs OMA

The clearest difference is update cadence: DSS OnePass at every 2 months against OMA's every 19 months. OMA's advantage is iOS requirement (10.0 vs 13.0). 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.

DSS OnePass ships an update every 2 months, OMA every 19 months. The most recent releases landed on September 8, 2026 and September 16, 2026 respectively.

## The numbers

| Metric | DSS OnePass | OMA |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.3 (7 ratings)](https://appshunter.io/ios/app/dss-onepass/id1501945340/reviews)** | — |
| Number of ratings | **7** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 19 months |
| Monetization | Free | — |
| Size | 231 MB | 11 MB |
| Requires iOS | 13.0 | **10.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Hangzhou CE-soft Technology Co., Ltd.](https://appshunter.io/developer/1493268177) | [Zhejiang Huaruijie Technology CO.,LTD](https://appshunter.io/developer/1547428239) |

## What reviewers say

### DSS OnePass

[App page](https://appshunter.io/ios/app/dss-onepass/id1501945340)

Manage property access, video intercoms, and employee attendance from a single mobile application. Securely control doors, communicate with visitors, and track work hours with centralized notifications and multi-device support.

**Highlights:** Video intercom calls, Bluetooth/QR code door unlock, Clock in/out for attendance, Centralized message center, Manage multiple properties, Secure encrypted communication

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

**In-app purchases:** none


### OMA

[App page](https://appshunter.io/ios/app/oma-web/id6444197960)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is DSS OnePass free?

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

### Is OMA free?

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

### Do DSS OnePass or OMA have ads?

Neither DSS OnePass nor OMA shows ads.

### Which is updated more often, DSS OnePass or OMA?

DSS OnePass ships an update every 2 months, and OMA every 19 months. Most recently, DSS OnePass was updated on September 8, 2026 and OMA on September 16, 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.*