# NAP Locked down browser vs Maths Monsters

The clearest difference is in-app purchases: NAP Locked down browser at none against Maths Monsters's 1. Maths Monsters's advantage is update cadence (every 2 days vs every 7 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Maths Monsters sells 1 one-off in-app purchase. NAP Locked down browser asks for nothing beyond the download.

NAP Locked down browser ships an update every 7 months, Maths Monsters every 2 days. The most recent releases landed on August 31, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | NAP Locked down browser | Maths Monsters |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 13.8% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 2 days** |
| Monetization | Free | — |
| Size | 67 MB | 637 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPad | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Education Services Australia Ltd.](https://appshunter.io/developer/380266607) | [Kendal Slack](https://appshunter.io/developer/1183263943) |

## 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


### Maths Monsters

[App page](https://appshunter.io/ios/app/maths-monsters/id6782084439)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full Adventure | $5.99 | one-time |


## Frequently asked questions

### Is NAP Locked down browser free?

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

### Is Maths Monsters free?

Maths Monsters is free to download, with in-app purchases available.

### Do NAP Locked down browser or Maths Monsters have ads?

Neither NAP Locked down browser nor Maths Monsters shows ads.

### Which is updated more often, NAP Locked down browser or Maths Monsters?

NAP Locked down browser ships an update every 7 months, and Maths Monsters every 2 days. Most recently, NAP Locked down browser was updated on August 31, 2026 and Maths Monsters on September 9, 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.*