# NAP Locked down browser vs MCBA Refs

The clearest difference is update cadence: MCBA Refs at every 9 days against NAP Locked down browser's every 7 months. MCBA Refs also leads on device support (3 vs 1) and iOS requirement (15.1 vs 17.0). On price, 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, MCBA Refs every 9 days. The most recent releases landed on October 1, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | NAP Locked down browser | MCBA Refs |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 13.8% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 9 days** |
| Monetization | Free | — |
| Size | 67 MB | 26 MB |
| Requires iOS | 17.0 | **15.1** |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Education Services Australia Ltd.](https://appshunter.io/developer/380266607) | [Lachlan Geron](https://appshunter.io/developer/6776058695) |

## 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


### MCBA Refs

[App page](https://appshunter.io/ios/app/mcba-refs/id6776058693)

**Features:** macOS Compatibility, 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 MCBA Refs free?

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

### Do NAP Locked down browser or MCBA Refs have ads?

Neither NAP Locked down browser nor MCBA Refs shows ads.

### Which is updated more often, NAP Locked down browser or MCBA Refs?

NAP Locked down browser ships an update every 7 months, and MCBA Refs every 9 days. Most recently, NAP Locked down browser was updated on October 1, 2026 and MCBA Refs 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.*