# NAP Locked down browser vs Vivi User App

The clearest difference is update cadence: Vivi User App at every 6 weeks against NAP Locked down browser's every 7 months. Vivi User App also leads on device support (3 vs 1) and iOS requirement (15.0 vs 17.0). On price, review sentiment, ads and in-app purchases there is nothing between them.

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

NAP Locked down browser ships an update every 7 months, Vivi User App every 6 weeks. The most recent releases landed on August 31, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | NAP Locked down browser | Vivi User App |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.5 (11 ratings)](https://appshunter.io/ios/app/vivi-user-app/id1582121124/reviews)** |
| Number of ratings | — | **11** |
| Positive reviews | **13.8% of reviews** | 12.5% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 6 weeks** |
| Monetization | Free | Free |
| Size | 67 MB | 34 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Education Services Australia Ltd.](https://appshunter.io/developer/380266607) | [Vivi Australia](https://appshunter.io/developer/1057434825) |

## What reviewers say

### NAP Locked down browser

[App page](https://appshunter.io/ios/app/nap-locked-down-browser/id1086807255)

This secure browser is designed for students taking standardized online assessments. It locks down the device to prevent cheating by restricting access to other apps and system functions during tests.

**Highlights:** Secure testing environment, Restricts app switching, Blocks unauthorized utilities, Prevents access to device resources, Facilitates NAPLAN and NAP Sample tests

**In-app purchases:** none


### Vivi User App

[App page](https://appshunter.io/ios/app/vivi-user-app/id1582121124)

This tool allows seamless real-time sharing and display of information from any device. Enhance collaboration and engagement by annotating, capturing, and saving content wirelessly from anywhere in the room.

**Highlights:** Real-time information sharing, Wireless display and annotation, Capture and save content, Cross-device compatibility, Enhanced collaboration, Room-wide accessibility

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is NAP Locked down browser free?

NAP Locked down browser is free to download, with no in-app purchases.

### Is Vivi User App free?

Vivi User App is free to download, with no in-app purchases.

### Do NAP Locked down browser or Vivi User App have ads?

Neither NAP Locked down browser nor Vivi User App shows ads.

### Which is updated more often, NAP Locked down browser or Vivi User App?

NAP Locked down browser ships an update every 7 months, and Vivi User App every 6 weeks. Most recently, NAP Locked down browser was updated on August 31, 2026 and Vivi User App on September 22, 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.*