Chemdata vs Decon Field Guide
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Chemdata
Access a comprehensive chemical hazard database offline for incident management. Provides detailed information on over 62,000 chemicals, including safety, transport, and emergency response guidance. Offers multilingual support and regular updates.
- Offline chemical database access
- Hazardous chemical identification
- Incident command support
- Transport classification
- Personal Protective Equipment (PPE) guidance
- Multilingual support (EN, NL, FR, DE, ES)
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If your organisation handles chemicals and you need to know how to manage their risks, Pocket Chemdata® is simply a 'must have'. Pocket Chemdata is a reliable, interactive database subscription service providing access to over 62,000 documents and more than 186,000 different chemical names including pure and trade-name chemicals. Pocket Chemdata provides clear information including how to manage their hazardous affects. PRODUCT BENEFITS: •Simple and easy-to-use chemical and chemical hazard identification •Incident commanders can access chemical information from anywhere in the world (no internet connection required) •Helps to mitigate the consequences of incidents •Regularly updated database, so users always have the latest information •Information is installed on the device, so an internet connection is not required to access data •Provides the same clear concise advice as the standard Chemdata® FEATURES: •Powerful search functionality for efficient chemical identification •UN number, ADR HIN, EAC codes •Personal Protective Equipment (PPE) requirements •Physical form information •Transport classification •Chemical hazard information (only available to subscribers) •Reactivity guidance (only available to subscribers) •Fire, decontamination and first aid advice (only available to subscribers) •Precautions information including large and small spill advice (only available to subscribers) •Environmental data (only available to subscribers) •Physical properties (only available to subscribers) •Add private notes and comments against chemical records (only available to subscribers) •Sync private notes and comments with your organisation’s central Chemdata solution (only available to subscribers) Designed and continuously maintained by emergency responders from Ricardo's NCEC, one of the world's leading chemical emergency centres, Pocket Chemdata is one of the most trusted sources of chemical information available. Data is updated approximately twice a year to ensure responders have access to up-to-date information. Pocket Chemdata is used globally by organisations, including fire and other emergency services, to provide invaluable and timely advice in the event of chemical spillages, fires and contamination incidents. Trust Pocket Chemdata for clear and concise information on more than 62,000 substances, at your fingertips. The free app provides access to one full record, to demonstrate the full capabilities of the system, this can be found by searching for the ‘Chlorine’ record or document number 5. LANGUAGES As well as English, Pocket Chemdata includes Dutch, French, German and Spanish translations - all in the one app. SUPPORT We would really like to know what you think about Pocket Chemdata, so please visit www.chemdata.co.uk to provide feedback or ask questions. Alternatively, you can email us at chemdata@ricardo.com. Chemdata® and Pocket Chemdata® have been developed for NCEC by Ark Software Ltd and Payot Ltd.
Decon Field Guide
This reference app provides quick and efficient decontamination methods for hundreds of threats. It features a classic Threat Index, pictorial instructions, and an in-app dwell timer to guide users through mission execution. Designed for approved users, it aims to make anyone an instant decontamination expert.
- Threat Index for decontamination methods
- Pictorial instructions
- In-app dwell timer
- Covers hundreds of threats
- Designed for approved users
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Imagine decontamination in the palm of your hand. Introducing the all-new, redesigned Decon Field Guide. Using the same classic Threat Index, quickly and efficiently determine proper decontamination methods for hundreds of known and emerging threats and execute your mission flawlessly utilizing pictorial instructions and in-app dwell timer. Become an instant decontamination expert with the Decon Field Guide. Only available for approved users. Download now.
Screenshots
Verdict
The clearest difference is review sentiment: Chemdata at 67% against Decon Field Guide's 0%. Chemdata also leads on ads (none vs shown) and monetization model (free vs ad-supported). Decon Field Guide's advantage is update cadence (every 2 months vs every 19 months). On price, in-app purchases, device support and iOS requirement 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Chemdata ships an update every 19 months, Decon Field Guide every 2 months. The most recent releases landed on June 5, 2026 and June 4, 2026 respectively.
| Parameter | Chemdata | Decon Field Guide |
|---|---|---|
| Price | Free | Free |
| Rating | — | 4.6 (8 ratings) — better |
| Positive reviews | 66.7% of reviews — better | 0.0% of reviews |
| Number of ratings | — | 8 — better |
| Update frequency | Every 19 months | Every 2 months — better |
| Ads | No — better | Yes |
| In-app purchases | No | No |
| Monetization | Free — better | Ad-supported |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 14.0 — better | 15.1 |
| Further details — not scored | ||
| Size | 49 MB | 73 MB |
| Age rating | 12+ | 17+ |
| Developer | Ricardo-AEA ltd | First Line Technology, LLC |
Customer experience
Chemdata
Decon Field Guide
In-app purchases
Chemdata
No in-app purchases
Decon Field Guide
No in-app purchases
Questions
Is Chemdata free?
Is Decon Field Guide free?
Do Chemdata or Decon Field Guide have ads?
Which is updated more often, Chemdata or Decon Field Guide?
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