TOXBASE vs COSA
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
TOXBASE
This clinical toxicology database offers healthcare professionals comprehensive advice on poisoning features and management. It provides detailed information on various toxins and clear, evidence-based treatment guidance. The app is designed for quick reference and can be used offline.
- Detailed poisons information
- Traffic light triaging system
- Point-by-point treatment advice
- Evidence-based and peer-reviewed
- Offline database access
- 24/7 updated information
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TOXBASE® is the clinical toxicology database of the UK National Poisons Information Service, providing advice on the features and management of poisoning. Monographs are designed to be used by healthcare professionals involved in the management of poisoned patients. TOXBASE is freely available for users who are able to register using an NHS, MOD, ac.uk or UKHSA domain email address. If your domain is not accepted contact mail@toxbase.org for assistance and information. Key application features * detailed poisons information on industrial chemicals, pharmaceuticals, household products, plants and animal toxins * easy to follow traffic light system for triaging poisoned patients * point by point treatment advice which is clear and concise, evidence-based, peer-reviewed and updated 24/7 * no internet connection is required to search the database (although internet connection may be required to access all information on some entries) How the app works After download, users complete a registration form and receive an email containing a verification link. Once verified users will be able to use their login for the TOXBASE app and also for TOXBASE online at www.toxbase.org Account renewal is required annually. Disclaimer The information on the TOXBASE App is designed for healthcare professionals and requires expert clinical interpretation. Users are strongly advised to always discuss cases with their local experts in poisons management and should not solely rely on the App to make medical decisions. Users are required to accept our End User License Agreement before using the app. All material on TOXBASE is subject to UK Crown copyright protection.
COSA
Access essential drug information and advanced patient resources. This app provides a portion of licensed drug data from a leading healthcare information provider, based on industry-standard databases.
- Essential drug information
- Advanced patient resources
- Licensed drug data
- Industry-standard databases
- Physician-focused resources
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Find essential drug information & advanced patient resources. Physicians Office Resource licenses drug information data from First DataBank and provides a portion of it as a free service to its physician-users. First DataBank is the leading provider of electronic drug information to the healthcare industry. Based on the widely accepted industry standard — the National Drug Data File® — NDDF Plus databases are backed by the most clinically verifiable evidence gathered to date.
Screenshots
Verdict
The clearest difference is rating: COSA at 3.7 against TOXBASE's 1.0. COSA also leads on in-app purchases (none vs 1) and update cadence (every 3 months vs every 6 months). TOXBASE's advantage is ads (none vs shown). On price 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
Both are free to download. TOXBASE sells 1 one-off in-app purchase. COSA asks for nothing beyond the download.
COSA holds the better App Store score, 3.7 against 1.0. Both are backed by a comparable volume of ratings — 1 and 3 respectively.
TOXBASE ships an update every 6 months, COSA every 3 months. The most recent releases landed on September 21, 2026 and September 10, 2026 respectively.
| Parameter | TOXBASE | COSA |
|---|---|---|
| Price | Free | Free |
| Rating | 1.0 (1 ratings) | 3.7 (3 ratings) — better |
| Positive reviews | 20.5% of reviews | — |
| Number of ratings | 1 | 3 — better |
| Update frequency | Every 6 months | Every 3 months — better |
| Ads | No — better | Yes |
| In-app purchases | Yes | No — better |
| Monetization | Free — better | Ad-supported |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 15.5 | 11.0 — better |
| Further details — not scored | ||
| Size | 413 MB | 28 MB |
| Age rating | 17+ | 4+ |
| Developer | NHS Lothian | MEDICAL EDUCATION RESOURCES, LLC |
Customer experience
TOXBASE
COSA
In-app purchases
TOXBASE
- 1 year subscription$6.99
COSA
No in-app purchases









