# Security & Fire Security Expo vs COSBOA NSBS

Security & Fire Security Expo and COSBOA NSBS are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

Both ship on a similar rhythm, roughly monthly. The most recent releases landed on October 31, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Security & Fire Security Expo | COSBOA NSBS |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | Monthly |
| Size | 60 MB | 61 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 17+ | 17+ |
| Developer | [Diversified Communications Australia](https://appshunter.io/developer/1350367218) | [The Association Specialists Pty Ltd](https://appshunter.io/developer/1605875695) |

## What reviewers say

### Security & Fire Security Expo

[App page](https://appshunter.io/ios/app/security-and-fire-security-expo/id6789022136)

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

**In-app purchases:** none


### COSBOA NSBS

[App page](https://appshunter.io/ios/app/cosboa-nsbs/id6789445459)

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

**In-app purchases:** none


## Frequently asked questions

### Is Security & Fire Security Expo free?

Security & Fire Security Expo is free to download, with no in-app purchases.

### Is COSBOA NSBS free?

COSBOA NSBS is free to download, with no in-app purchases.

### Do Security & Fire Security Expo or COSBOA NSBS have ads?

Neither Security & Fire Security Expo nor COSBOA NSBS shows ads.

### Which is updated more often, Security & Fire Security Expo or COSBOA NSBS?

Security & Fire Security Expo ships an update monthly, and COSBOA NSBS monthly. Most recently, Security & Fire Security Expo was updated on October 31, 2026 and COSBOA NSBS on November 5, 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.*