Comparison

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.

Head to head
About

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.

Highlights
  • Secure testing environment
  • Restricts app switching
  • Blocks unauthorized utilities
  • Prevents access to device resources
  • Facilitates NAPLAN and NAP Sample tests
Read full description

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.

About

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.

Highlights
  • Real-time information sharing
  • Wireless display and annotation
  • Capture and save content
  • Cross-device compatibility
  • Enhanced collaboration
  • Room-wide accessibility
Features
Read full description

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

Vivi User App4 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

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

UpkeepUpdate frequency

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.

Scorecard3 real differences · 7 level
NAP Locked down browser versus Vivi User App: the parameters behind the verdict, then further details
ParameterNAP Locked down browserVivi User App
PriceFreeFree
Rating—3.5 (11 ratings) — better
Positive reviews13.8% of reviews — better12.5% of reviews
Number of ratings—11 — better
Update frequencyEvery 7 monthsEvery 6 weeks — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPadiPhone, iPad, iPod — better
Requires iOS17.015.0 — better
Further details — not scored
Size67 MB34 MB
Age rating4+4+
DeveloperEducation Services Australia Ltd.Vivi Australia

Customer experience

NAP Locked down browser

Written reviews225 reviews
Positive13.8%
Neutral2.2%
Negative84.0%

Vivi User App

All ratings11 ratings
Positive54.5%
Neutral0.0%
Negative45.5%
Written reviews16 reviews
Positive12.5%
Neutral12.5%
Negative75.0%

In-app purchases

None

NAP Locked down browser

No in-app purchases

None

Vivi User App

No in-app purchases

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.

Other comparisons