# Biodetection Guide for First Responders vs Skylob

The clearest difference is rating: Skylob at 5.0 against Biodetection Guide for First Responders's 3.0. Skylob also leads on update cadence (every 3 weeks vs every 29 months). Biodetection Guide for First Responders's advantage is iOS requirement (8.0 vs 17.0). On price, ratings volume, 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.

Skylob holds the better App Store score, 5.0 against 3.0. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

Biodetection Guide for First Responders ships an update every 29 months, Skylob every 3 weeks. Both last shipped on October 24, 2026.

## The numbers

| Metric | Biodetection Guide for First Responders | Skylob |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.0 (1 ratings)](https://appshunter.io/ios/app/biodetection-guide-for-first-responders/id951226827/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/skylob/id1538744084/reviews)** |
| Number of ratings | 1 | 1 |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 29 months | **Every 3 weeks** |
| Monetization | Free | Free |
| Size | 14 MB | 11 MB |
| Requires iOS | **8.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Pacific Northwest National Laboratory operated by Battelle](https://appshunter.io/developer/692196517) | [Kyle Cheng](https://appshunter.io/developer/1518774140) |

## What reviewers say

### Biodetection Guide for First Responders

[App page](https://appshunter.io/ios/app/biodetection-guide-for-first-responders/id951226827)

This guide provides first responders with information on commercially available technologies for biological material detection. It aims to help users make informed decisions about biodetection equipment procurement and use by summarizing available tools and their features.

**Highlights:** Summarizes biodetection technologies, Covers collection, screening, and identification, Based on vendor and external information, Includes technical specifications, Manufacturer verification opportunities

**Features:** macOS Compatibility

**In-app purchases:** none


### Skylob

[App page](https://appshunter.io/ios/app/skylob/id1538744084)

Explore the vastness of the observable universe, from its immense size to the accelerating expansion driven by dark energy. Discover how our cosmological horizon is shrinking, making parts of the cosmos permanently unknowable. This app invites contemplation on our place within this cosmic immensity.

**Highlights:** Observable universe scale, Dark energy and expansion, Cosmological horizon explained, Our place in the cosmos, Scientific concepts simplified

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Biodetection Guide for First Responders free?

Biodetection Guide for First Responders is free to download, with no in-app purchases.

### Is Skylob free?

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

### Which has better reviews, Biodetection Guide for First Responders or Skylob?

Skylob is rated higher. Biodetection Guide for First Responders averages 3.0 out of 5 from 1 ratings, while Skylob averages 5.0 from 1 ratings.

### Do Biodetection Guide for First Responders or Skylob have ads?

Neither Biodetection Guide for First Responders nor Skylob shows ads.

### Which is updated more often, Biodetection Guide for First Responders or Skylob?

Biodetection Guide for First Responders ships an update every 29 months, and Skylob every 3 weeks. Most recently, Biodetection Guide for First Responders was updated on October 24, 2026 and Skylob 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.*