# Place Value MAB vs NAP Locked down browser

The clearest difference is review sentiment: Place Value MAB at 71% against NAP Locked down browser's 14%. Place Value MAB also leads on iOS requirement (12.0 vs 17.0). NAP Locked down browser's advantage is price (Free vs $1.99) and update cadence (every 7 months vs every 34 months). On ads, in-app purchases and device support there is nothing between them.

NAP Locked down browser is free to download; Place Value MAB costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Place Value MAB ships an update every 34 months, NAP Locked down browser every 7 months. The most recent releases landed on October 23, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | Place Value MAB | NAP Locked down browser |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | **[4.8 (4 ratings)](https://appshunter.io/ios/app/place-value-mab/id507890987/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | **71.4% of reviews** | 13.8% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 34 months | **Every 7 months** |
| Monetization | Paid | **Free** |
| Size | 20 MB | 67 MB |
| Requires iOS | **12.0** | 17.0 |
| Devices | iPad | iPad |
| Age rating | 4+ | 4+ |
| Developer | [Aleesha Kondys](https://appshunter.io/developer/478569400) | [Education Services Australia Ltd.](https://appshunter.io/developer/380266607) |

## What reviewers say

### Place Value MAB

[App page](https://appshunter.io/ios/app/place-value-mab/id507890987)

This app provides a digital tool for teaching and learning place value using virtual blocks. It offers interactive activities to help children build, model, and read numbers, supporting various learning levels and ideal for educators and tutors.

**Highlights:** Virtual MAB blocks for number modeling, Interactive place value chart, Activities for building, modeling, and reading numbers, Three difficulty levels per activity, Teaching module with number generator, Supports educator-led and independent learning

**Features:** macOS Compatibility

**In-app purchases:** none


### 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


## Frequently asked questions

### Is Place Value MAB free?

Place Value MAB costs $1.99, with no in-app purchases.

### Is NAP Locked down browser free?

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

### Do Place Value MAB or NAP Locked down browser have ads?

Neither Place Value MAB nor NAP Locked down browser shows ads.

### Which is updated more often, Place Value MAB or NAP Locked down browser?

Place Value MAB ships an update every 34 months, and NAP Locked down browser every 7 months. Most recently, Place Value MAB was updated on October 23, 2026 and NAP Locked down browser on October 1, 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.*