# NAP Locked down browser vs StoryBox Library

The clearest difference is review sentiment: StoryBox Library at 40% against NAP Locked down browser's 14%. StoryBox Library also leads on update cadence (every 6 weeks vs every 7 months) and device support (3 vs 1). NAP Locked down browser's advantage is monetization model (free vs free with in-app purchases). 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, StoryBox Library every 6 weeks. The most recent releases landed on October 25, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | NAP Locked down browser | StoryBox Library |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.0 (1 ratings)](https://appshunter.io/ios/app/storybox-library/id1607784725/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | 14.3% of reviews | **40.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 6 weeks** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 67 MB | 32 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Education Services Australia Ltd.](https://appshunter.io/developer/380266607) | [Story Box Library](https://appshunter.io/developer/1607784967) |

## 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


### StoryBox Library

[App page](https://appshunter.io/ios/app/storybox-library/id1607784725)

This app offers a vast collection of diverse stories read by dynamic storytellers, designed to improve children's reading and literacy skills. It provides engaging activities and a safe, ad-free online space for imaginative play and learning, with features like read-along text and Auslan translations.

**Highlights:** Over 500 diverse stories, Read by dynamic storytellers, Auslan translations, Read-Along series, Story playlists, Safe and ad-free environment, Parent and child profiles

**Features:** macOS Compatibility

**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 StoryBox Library free?

StoryBox Library is free to download, with no in-app purchases.

### Do NAP Locked down browser or StoryBox Library have ads?

Neither NAP Locked down browser nor StoryBox Library shows ads.

### Which is updated more often, NAP Locked down browser or StoryBox Library?

NAP Locked down browser ships an update every 7 months, and StoryBox Library every 6 weeks. Most recently, NAP Locked down browser was updated on October 25, 2026 and StoryBox Library on October 24, 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.*