# Unis vs Optima Barrier

Unis and Optima Barrier are too close to call on the numbers: across 7 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

Unis ships an update every 4 weeks, Optima Barrier every 6 weeks. The most recent releases landed on October 20, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Unis | Optima Barrier |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/unis-b-plus/id1021920569/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | — | 50.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 weeks** | Every 6 weeks |
| Monetization | Free | Free |
| Size | 70 MB | 63 MB |
| Requires iOS | 12.0 | **11.4** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [UNION biometrics Co., Ltd.](https://appshunter.io/developer/937089081) | [Optima Engineering](https://appshunter.io/developer/1439346027) |

## What reviewers say

### Unis

[App page](https://appshunter.io/ios/app/unis-b-plus/id1021920569)

This application provides Bluetooth access control for specific biometric devices. It allows for remote key sending, user management, and monitoring of access logs. The interface is designed for intuitive use and convenient installation.

**Highlights:** Bluetooth communication, Remote key sending, Access control management, User addition and editing, Device settings, Access log history

**In-app purchases:** none


### Optima Barrier

[App page](https://appshunter.io/ios/app/optima-barrier/id1439346028)

Control your gate or garage door remotely using your smartphone. This system offers connectivity via internet, Bluetooth, and GSM for convenient access.

**Highlights:** Remote gate control, Garage door operation, Internet connectivity, Bluetooth control, GSM access

**Features:** macOS Compatibility, Siri integration

**In-app purchases:** none


## Frequently asked questions

### Is Unis free?

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

### Is Optima Barrier free?

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

### Do Unis or Optima Barrier have ads?

Neither Unis nor Optima Barrier shows ads.

### Which is updated more often, Unis or Optima Barrier?

Unis ships an update every 4 weeks, and Optima Barrier every 6 weeks. Most recently, Unis was updated on October 20, 2026 and Optima Barrier on October 7, 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.*