NAP Locked down browser vs Vivi User App
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
NAP Locked down browser
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.
- Secure testing environment
- Restricts app switching
- Blocks unauthorized utilities
- Prevents access to device resources
- Facilitates NAPLAN and NAP Sample tests
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The NAP Locked down browser allows students to securely participate in NAPLAN and NAP Sample tests on the Online National Assessment Platform. The application regulates access to utilities and system functions, prevents application switching and unauthorised device resources being used during an assessment.
Vivi User App
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.
- Real-time information sharing
- Wireless display and annotation
- Capture and save content
- Cross-device compatibility
- Enhanced collaboration
- Room-wide accessibility
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Vivi is a wireless presentation tool that enables users to share, display, annotate, capture and save information in real time, from anywhere in the room. Engage more actively and collaborate more effectively, with the freedom to move around and use any device you like.
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | NAP Locked down browser | Vivi User App |
|---|---|---|
| Price | Free | Free |
| Rating | — | 3.5 (11 ratings) — better |
| Positive reviews | 13.8% of reviews — better | 12.5% of reviews |
| Number of ratings | — | 11 — better |
| Update frequency | Every 7 months | Every 6 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPad | iPhone, iPad, iPod — better |
| Requires iOS | 17.0 | 15.0 — better |
| Further details — not scored | ||
| Size | 67 MB | 34 MB |
| Age rating | 4+ | 4+ |
| Developer | Education Services Australia Ltd. | Vivi Australia |
Customer experience
NAP Locked down browser
Vivi User App
In-app purchases
NAP Locked down browser
No in-app purchases
Vivi User App
No in-app purchases
Questions
Is NAP Locked down browser free?
Is Vivi User App free?
Do NAP Locked down browser or Vivi User App have ads?
Which is updated more often, NAP Locked down browser or Vivi User App?
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