ESF#3 Field Guide vs ARS FOG
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
ESF#3 Field Guide
Read full descriptionHide full description
The ESF#3 Field Guide App is used by ESF#3 Team Leads, Assistant Team Leads and our federal and state partners during disaster response. It contains references and information about the various missions that USACE executes.
ARS FOG
This technical rescue field guide provides essential reference material and calculators for emergency operations. Access over 250 pages of content on topics like structural collapse and rope systems, along with over 20 specialized calculators for field use.
- Comprehensive field guide with 250+ pages
- Full-text search and table of contents
- 20+ purpose-built technical rescue calculators
- Cross-referencing between guides and calculators
- Quick-access emergency contacts and resources
Read full descriptionHide full description
The ARS Technical Rescue Instructor Field Guide puts essential rescue reference material and field calculators in your pocket. FIELD GUIDE Browse the complete ARS Instructor Field Guide with pinch-to-zoom, full-text search, and a structured table of contents. Quickly navigate to any of the 250+ pages covering structural collapse, trench rescue, rope systems, confined space, hazmat response, and more. FIELD CALCULATORS 20+ purpose-built calculators designed for technical rescue operations: - Buttress Shore, Raker Length, and Shore Spacing - Wood Shore Build List and Shore Length - Fall Factor and Two-Point Anchor - Collapse Weight, Weight Estimators, and Fallen Tree Weight - LEL Conversion, Confined Space Air Exchange, and Dewatering - A-Frame Gantry, Pipe Flow, Friction Loss, and more Calculators are linked directly to related field guide pages for fast cross-reference. QUICK-ACCESS RESOURCES Emergency contacts for ChemTrec and Poison Control, links to ERGs, HazMat references, and maps — all one tap away. Built by Advanced Rescue Solutions, trusted by 5,000+ rescue professionals.
Screenshots
Verdict
The clearest difference is price: ESF#3 Field Guide at Free against ARS FOG's $9.99. ESF#3 Field Guide also leads on iOS requirement (16.4 vs 18.2). ARS FOG's advantage is chart position (#25 vs unranked). On ads, in-app purchases and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
ESF#3 Field Guide is free to download; ARS FOG costs $9.99 up front. Neither carries in-app purchases, so what you see is what you pay.
| Parameter | ESF#3 Field Guide | ARS FOG |
|---|---|---|
| Price | Free — better | $9.99 |
| Rating | — | 5.0 (12 ratings) — better |
| Number of ratings | — | 12 — better |
| Update frequency | Every 2 weeks | — |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Paid |
| Best chart rank | — | #25 — better |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 16.4 — better | 18.2 |
| Further details — not scored | ||
| Size | 98 MB | 68 MB |
| Age rating | 4+ | 4+ |
| Developer | Donald Schlack | Advanced Rescue Solutions |
In-app purchases
ESF#3 Field Guide
No in-app purchases
ARS FOG
No in-app purchases
